County Index
- 021 Network (Doncaster) - West Yorkshire - Pontefract
- 1 Off Sheet Metal Co - West Yorkshire - Dewsbury
- 1274 John Sylvester Eng Co Ltd - West Yorkshire - Bradford
- 1st Class Drivers Ltd - West Yorkshire - Leeds
- 1st Class Post Ltd - West Yorkshire - Leeds
- 1st Class Soft Furnishings - West Yorkshire - Leeds
- 1st Class Travel - West Yorkshire - Wakefield
- 1st Time Tech Ltd - West Yorkshire - Leeds
- 2 to 3D Design Ltd - West Yorkshire - Leeds
- 21st Century Lifts - West Yorkshire - Leeds
- 21st Century Sports - West Yorkshire - Keighley
- 2A Print Ltd - West Yorkshire - Leeds
- 305 Management Services - West Yorkshire - Bradford
- 3a Management Consultants - West Yorkshire - Huddersfield
- 3think Special Purpose Machinery Ltd - West Yorkshire - Halifax
- 4 Seasons Fencing Contractors - West Yorkshire - Pudsey
- 40SEVEN Ltd - West Yorkshire - Leeds
- 4B Braime Components - West Yorkshire - Leeds
- 600 Controls Ltd - West Yorkshire - Halifax
- 600 Group, The - West Yorkshire - Leeds
- A A Clay - West Yorkshire - Bradford
- A A Mowers - West Yorkshire - Leeds
- A and A Lampkin (Silsden) - West Yorkshire - Keighley
- A and E Hughes - West Yorkshire - Pontefract
- A and H Interiors Ltd - West Yorkshire - Huddersfield
- A and H Supplies Ltd - West Yorkshire - Bradford
- A and J Fab Tech Ltd - West Yorkshire - Liversedge
- A and K Ecofilm Ltd / Combi Company, The - West Yorkshire - Liversedge
- A and M Baldwin - West Yorkshire - Keighley
- A and M Curtains - West Yorkshire - Huddersfield
- A and M Metal Services Ltd - West Yorkshire - Wakefield
- A and M Redfearn - West Yorkshire - Knottingley
- A and M Signs and Lighting - West Yorkshire - Pudsey
- A and M Sunderland - West Yorkshire - Keighley
- A and N Wildman - West Yorkshire - Shipley
- A and R Control Systems Ltd - West Yorkshire - Sowerby Bridge
- A and R Sheet Metal and Fabrications - West Yorkshire - Brighouse
- A and S Furnishings Ltd - West Yorkshire - Liversedge
- A Appleyard - West Yorkshire - Wakefield
- A B Gas and Heating - West Yorkshire - Huddersfield
- A B Gill - West Yorkshire - Ilkley
- A B Industrial Services Ltd - West Yorkshire - Bingley
- A B Metals - West Yorkshire - Leeds
- A B Motors - West Yorkshire - Keighley
- A Bush (Engineering Services) Ltd - West Yorkshire - Leeds
- A C E Assessors Ltd - West Yorkshire - Bradford
- A C S Business Process Solutions Ltd - West Yorkshire - Leeds
- A Carter - West Yorkshire - Leeds
- A Coult - West Yorkshire - Dewsbury
- A D Atkinson - West Yorkshire - Wetherby
- A D G Fabrications Ltd - West Yorkshire - Dewsbury
- A D Metal Spinning - West Yorkshire - Elland
- A Fawcett Toolmakers (1983) Ltd - West Yorkshire - Elland
- A Fox Industrial Doors - West Yorkshire - Castleford
- A G Proctor - West Yorkshire - Keighley
- A Garside - West Yorkshire - Huddersfield
- A Greenwood - West Yorkshire - Bingley
- A H Buckley and Sons - West Yorkshire - Elland
- A Harrison (Bedding) Ltd - West Yorkshire - Leeds
- A Hinchliffe - West Yorkshire - Holmfirth
- A Holdsworth and Co Ltd - West Yorkshire - Shipley
- A Hutsby and Son - West Yorkshire - Castleford
- A I Crowther - West Yorkshire - Wakefield
- A J B Ltd - West Yorkshire - Leeds
- A J M Fixings and Power Tools Ltd - West Yorkshire - Huddersfield
- A J Owen and Co - West Yorkshire - Cleckheaton
- A J Richardson - West Yorkshire - Wakefield
- A Kahn Design - West Yorkshire - Bradford
- A Kidman - West Yorkshire - Brighouse
- A Knockton - West Yorkshire - Huddersfield
- A M Shea - West Yorkshire - Halifax
- A Macquarrie and Son - West Yorkshire - Leeds
- A Moon and Sons Ltd - West Yorkshire - Leeds
- A N Throup - West Yorkshire - Keighley
- A One Insulation - West Yorkshire - Bradford
- A One Power Tools Ltd - West Yorkshire - Brighouse
- A P C Group Ltd - West Yorkshire - Bradford
- A P Chapman - West Yorkshire - Bingley
- A P S Signs Ltd - West Yorkshire - Keighley
- A Pickard - West Yorkshire - Leeds
- A Pickles Sewing Machines - West Yorkshire - Leeds
- A Plus Industrial Services Ltd - West Yorkshire - Leeds
- A R E - West Yorkshire - Huddersfield
- A R Moss - West Yorkshire - Hebden Bridge
- A Riddiough - West Yorkshire - Hebden Bridge
- A S and L S Leadbeater - West Yorkshire - Bradford
- A S Joinery - West Yorkshire - Huddersfield
- A S K Tools Ltd - West Yorkshire - Batley
- A Scarlett - West Yorkshire - Keighley
- A Shores and Co (Leather and Canvas Products) Ltd - West Yorkshire - Leeds
- A Throup - West Yorkshire - Keighley
- A Turner - West Yorkshire - Holmfirth
- A W G Business Transfer - West Yorkshire - Wakefield
- A W Hainsworth and Sons Ltd - West Yorkshire - Pudsey
- A W Hardy - West Yorkshire - Bradford
- A Whylde - West Yorkshire - Wakefield
- A-Fax Ltd - West Yorkshire - Halifax
- A-Lux Lighting Ltd - West Yorkshire - Bradford
- A-Plant (Ashtead Plant Hire Co) - West Yorkshire - Leeds
- A-Plant (Ashtead Plant Hire Co) - West Yorkshire - Leeds
- A-Plant (Ashtead Plant Hire Co) - West Yorkshire - Leeds
- A-Plant (Ashtead Plant Hire Co) - West Yorkshire - Batley
- A1 Beds - West Yorkshire - Leeds
- A1 Catering Disposable Products - West Yorkshire - Batley
- A1 Engine - West Yorkshire - Bradford
- A1 Food Products - West Yorkshire - Batley
- A1 Press - West Yorkshire - Wetherby
- A1 Trimmers - West Yorkshire - Knottingley
- A1 Vision - West Yorkshire - Keighley
- A1 Wholesale Bakery - West Yorkshire - Leeds
- A2A Health Safety and Environment Management Systems - West Yorkshire - Pontefract
- A4 Access - West Yorkshire - Leeds
- A4e - West Yorkshire - Keighley
- Aagaard Hanley Ltd - West Yorkshire - Leeds
- AAH Pharmaceuticals Ltd - West Yorkshire - Leeds
- Aalpha Solutions Ltd - West Yorkshire - Leeds
- Aalto Electrical - West Yorkshire - Keighley
- Aaran Sheet Metal Ltd - West Yorkshire - Bradford
- Aardvark - West Yorkshire - Holmfirth
- Aaron Arkwright Engineering Ltd - West Yorkshire - Leeds
- Aaron Packaging Machinery - West Yorkshire - Leeds
- AB Cleaning Services - West Yorkshire - Wakefield
- AB Co (Design and Print) Ltd - West Yorkshire - Pudsey
- AB Copyright - West Yorkshire - Halifax
- AB Terratec Ltd - West Yorkshire - Halifax
- Abaco Fabrications Ltd - West Yorkshire - Keighley
- Abacus North East - West Yorkshire - Wetherby
- Abacus Tubes Ltd - West Yorkshire - Huddersfield
- Abbey Forge and Fabrications - West Yorkshire - Pontefract
- Abbey Industrial Solutions - West Yorkshire - Normanton
- Abbey Mill Huddersfield Ltd - West Yorkshire - Huddersfield
- Abbey Stone Products Ltd - West Yorkshire - Keighley
- Abc Fire Protection (Halifax) Ltd - West Yorkshire - Halifax
- Abc Multi-Trades - West Yorkshire - Halifax
- Abcon Readimix Concrete Ltd - West Yorkshire - Pontefract
- ABG Ltd - West Yorkshire - Huddersfield
- Able and Able Re Upholstery - West Yorkshire - Leeds
- Able Construction Management Ltd - West Yorkshire - Dewsbury
- Able Transmissions - West Yorkshire - Wakefield
- ABM Computer Services - West Yorkshire - Leeds
- Abnat Plant Hire - West Yorkshire - Wakefield
- Abor Vitae Ltd - West Yorkshire - Castleford
- ABPM - West Yorkshire - Leeds
- ABR Sheet Metal - West Yorkshire - Huddersfield
- Abrahams and Carlisle Ltd - West Yorkshire - Bradford
- Abrahone Engineering Ltd - West Yorkshire - Wakefield
- Abrasive Machinery Technology (AMT) - West Yorkshire - Halifax
- Abratec Abrasives - West Yorkshire - Leeds
- Absolute Access - West Yorkshire - Leeds
- Absolute Engineering Ltd - West Yorkshire - Huddersfield
- Absolute Engineering Services - West Yorkshire - Elland
- Absolute Interiors - West Yorkshire - Leeds
- Absolute Sales and Marketing Recruitment Ltd - West Yorkshire - Leeds
- Abstract Group of Companies - West Yorkshire - Leeds
- AC - Transmission - West Yorkshire - Halifax
- AC Framing Ltd - West Yorkshire - Huddersfield
- Academic Appointments Ltd - West Yorkshire - Leeds
- Access Equipment Specialists - West Yorkshire - Bradford
- Access Lift Consultants Ltd - West Yorkshire - Leeds
- Access Plastics UK Ltd - West Yorkshire - Keighley
- Access Solutions Northern - West Yorkshire - Bradford
- Access Spedition and International Forwarding Ltd - West Yorkshire - Huddersfield
- AccessPlus Marketing Services Ltd - West Yorkshire - Leeds
- Accurate Av - West Yorkshire - Mirfield
- Ace Elevators Ltd - West Yorkshire - Keighley
- Ace Engineers Ltd - West Yorkshire - Leeds
- Ace Fabrications and Design Ltd - West Yorkshire - Keighley
- Ace Industrial Engineering - West Yorkshire - Castleford
- Ace Precision Engineering - West Yorkshire - Pontefract
- Ace Security Products Ltd - West Yorkshire - Huddersfield
- Ace Wrought Iron and Fabrication - West Yorkshire - Leeds
- Aceprint - West Yorkshire - Ossett
- Acetarc Welding and Engineering Co Ltd - West Yorkshire - Keighley
- Acordis Acrylic Fibres Ltd - West Yorkshire - Bradford
- Acorn Mobility Services Ltd - West Yorkshire - Shipley
- Acorn Timber and Reclamation Ltd - West Yorkshire - Halifax
- Acorn Web Offset Ltd - West Yorkshire - Normanton
- Acoustic Applications Ltd - West Yorkshire - Wakefield
- Acp Coatings - West Yorkshire - Elland
- Acre Pine - West Yorkshire - Elland
- Acrivarn Ltd - West Yorkshire - Pudsey
- Acrohone Ltd - West Yorkshire - Wakefield
- ACS Health Safety and Environmental - West Yorkshire - Halifax
- ACS Industries Inc - West Yorkshire - Holmfirth
- ACS Stainless Steel Fixings Ltd - West Yorkshire - Leeds
- Actiform Hire Ltd - West Yorkshire - Mirfield
- Actino 2000 Ltd - West Yorkshire - Bradford
- Action Assist Ltd - West Yorkshire - Leeds
- Active Print Solutions Ltd - West Yorkshire - Leeds
- Active Solutions UK Ltd Trading as Pathways - West Yorkshire - Wakefield
- Active Sports - West Yorkshire - Huddersfield
- Active Tagging Ltd - West Yorkshire - Halifax
- Active Workwear - West Yorkshire - Pudsey
- Acton Hall Forge - West Yorkshire - Pontefract
- Actuator Control Gear Ltd - West Yorkshire - Bradford
- Ad Bearings - West Yorkshire - Leeds
- AD Plastics - West Yorkshire - Halifax
- Adam and Co Financial Management LLP - West Yorkshire - Bradford
- Adam Engineering Fabrication - West Yorkshire - Pontefract
- Adams Healthcare - West Yorkshire - Leeds
- Adams Sheet Metal Ltd - West Yorkshire - Bradford
- Adare Halcyon - West Yorkshire - Huddersfield
- ADAS - West Yorkshire - Leeds
- Addams Office Supplies Ltd2 - West Yorkshire - Keighley
- Adderley Featherstone plc - West Yorkshire - Wetherby
- Addingham Celebration Cakes - West Yorkshire - Ilkley
- Addis Construction - West Yorkshire - Keighley
- Address-A-Lite Ltd - West Yorkshire - Huddersfield
- Adessi - West Yorkshire - Leeds
- ADG Engineering - West Yorkshire - Huddersfield
- Adiraf Designs - West Yorkshire - Heckmondwike
- Adr Forktruck Components - West Yorkshire - Wakefield
- Adrian Sacks - West Yorkshire - Halifax
- ADT Fire and Security plc - West Yorkshire - Leeds
- ADT Flexibles Ltd - West Yorkshire - Bradford
- Advance Associates - West Yorkshire - Leeds
- Advance Engineering - West Yorkshire - Elland
- Advance Motors (Leeds) Ltd - West Yorkshire - Leeds
- Advance Products Ltd - West Yorkshire - Dewsbury
- Advance Security Detection - West Yorkshire - Dewsbury
- Advance Welding - West Yorkshire - Heckmondwike
- Advanced - West Yorkshire - Halifax
- Advanced Aerial Services - West Yorkshire - Leeds
- Advanced Auto Services - West Yorkshire - Halifax
- Advanced Component Technology Ltd - West Yorkshire - Keighley
- Advanced Compressor Engineering Ltd - West Yorkshire - Huddersfield
- Advanced Control Systems Ltd - West Yorkshire - Leeds
- Advanced Couplings Ltd - West Yorkshire - Keighley
- Advanced Diesel Engineering Ltd - West Yorkshire - Pontefract
- Advanced Doors Ltd - West Yorkshire - Huddersfield
- Advanced Dynamics Ltd - West Yorkshire - Bradford
- Advanced Hydroponics - West Yorkshire - Leeds
- Advanced Medical Diagnostics Group - West Yorkshire - Leeds
- AE Jones - West Yorkshire - Cleckheaton
- AE Services and Supplies (Keighley) Ltd - West Yorkshire - Keighley
- Aegis Engineering Systems Ltd - West Yorkshire - Holmfirth
- Aerials For Industry Ltd - West Yorkshire - Wakefield
- Aero Maintenance Ltd - West Yorkshire - Pontefract
- Aerovac Systems Ltd - West Yorkshire - Keighley
- AES Seal plc - West Yorkshire - Bradford
- AETEC Ltd - West Yorkshire - Leeds
- AF Staircase Systems Ltd - West Yorkshire - Liversedge
- Af Staircase Systems Ltd - West Yorkshire - Bradford
- Affordable Fencing - West Yorkshire - Shipley
- Aflex Hose Ltd - West Yorkshire - Sowerby Bridge
- Agfa Gevaert UK Manufacturing - West Yorkshire - Leeds
- Aggregate Industries - West Yorkshire - Leeds
- Agricultural and Commercial Supplies Ltd - West Yorkshire - Batley
- Agrimet Ltd - West Yorkshire - Huddersfield
- AH Hanson Ltd - West Yorkshire - Keighley
- AH Marks and Co Ltd - West Yorkshire - Bradford
- AH Shaw and Partner - West Yorkshire - Ossett
- Ahmad Textiles - West Yorkshire - Bradford
- AIMS Accountants for Business - West Yorkshire - Wakefield
- AIMS Accountants for Business - West Yorkshire - Halifax
- Aindale Business Management Services Ltd - West Yorkshire - Huddersfield
- Ainsleys of Leeds Ltd - West Yorkshire - Leeds
- AIP Compressor Services Ltd - West Yorkshire - Ossett
- Air Conditioning Distribution Ltd - West Yorkshire - Cleckheaton
- Air Direct Couriers Ltd - West Yorkshire - Leeds
- Air Force - West Yorkshire - Leeds
- Airconics - West Yorkshire - Halifax
- Airdancer.co.uk - West Yorkshire - Leeds
- Aire Truck Bodies Ltd - West Yorkshire - Leeds
- Aire Valley Architectural - West Yorkshire - Keighley
- Aire Valley Catering - West Yorkshire - Leeds
- Aire Valley Metal Products Ltd - West Yorkshire - Keighley
- Airedale Blinds and Shutters - West Yorkshire - Bradford
- Airedale Chemical Co Ltd - West Yorkshire - Keighley
- Airedale Computer Centre - West Yorkshire - Shipley
- Airedale Cooling Services Ltd - West Yorkshire - Keighley
- Airedale Environmental Services Ltd - West Yorkshire - Leeds
- Airedale Fire Protection Services - West Yorkshire - Keighley
- Airedale Group Ltd - West Yorkshire - Bradford
- Airedale Instruments - West Yorkshire - Leeds
- Airedale International Air Conditioning Ltd - West Yorkshire - Leeds
- Airedale Mechanical and Electrical Ltd - West Yorkshire - Leeds
- Airedale Springs Ltd - West Yorkshire - Keighley
- Airedale Television Services Ltd - West Yorkshire - Keighley
- Airedale Textiles Ltd - West Yorkshire - Huddersfield
- Airedale Tube and Fittings Ltd - West Yorkshire - Leeds
- Aireseal Refrigeration - West Yorkshire - Bradford
- Aireworth Engineering (UK) Ltd - West Yorkshire - Keighley
- Airotech Holdings Ltd - West Yorkshire - Huddersfield
- AIRS Ltd - West Yorkshire - Halifax
- Aitken's Sportsturf Ltd - West Yorkshire - Leeds
- AJ Glass Fibre Ltd - West Yorkshire - Castleford
- AJ Roberts Construction Ltd - West Yorkshire - Normanton
- AJ Typesetting and Bureau - West Yorkshire - Leeds
- Ajax Minerva Ltd - West Yorkshire - Bradford
- AJC (Engineering Services) Ltd - West Yorkshire - Castleford
- AJD Security Shutters - West Yorkshire - Wakefield
- Ajfoam Convertors - West Yorkshire - Batley
- AJM Construction Ltd - West Yorkshire - Keighley
- AJT Flooring Solutions Ltd - West Yorkshire - Halifax
- AK Pumps Supply and Repair - West Yorkshire - Bradford
- Akeroyd and Topham - West Yorkshire - Bradford
- AL Atack Ltd - West Yorkshire - Ossett
- Al CNC Punching and Bending Ltd - West Yorkshire - Halifax
- Al-Murad - West Yorkshire - Liversedge
- Alan Bond - West Yorkshire - Keighley
- Alan Bowker - West Yorkshire - Keighley
- Alan Clark - West Yorkshire - Pontefract
- Alan Geoffrey - West Yorkshire - Wakefield
- Alan Harris and Associates Ltd - West Yorkshire - Ilkley
- Alan Hoare - West Yorkshire - Bradford
- Alan Jones - West Yorkshire - Huddersfield
- Alan Marshall - West Yorkshire - Leeds
- Alan Midgley and Co - West Yorkshire - Pontefract
- Alan Richardson Machine Services Ltd - West Yorkshire - Halifax
- Alan Ross - West Yorkshire - Leeds
- Alaric Systems Ltd - West Yorkshire - Keighley
- Alarm Installations - West Yorkshire - Leeds
- Alaska Equipment - West Yorkshire - Hebden Bridge
- Albany Standard Pumps - West Yorkshire - Bradford
- Albert Edward Wadsworth - West Yorkshire - Holmfirth
- Albert Haywood and Sons Ltd - West Yorkshire - Leeds
- Albion Caravans - West Yorkshire - Bradford
- Albion Chemical Distribution Ltd - West Yorkshire - Leeds
- Albion Chemicals Group - West Yorkshire - Cleckheaton
- Albion Colours Ltd - West Yorkshire - Leeds
- Albion Dyestuffs Ltd - West Yorkshire - Bradford
- Albion Electric Stores Ltd - West Yorkshire - Leeds
- Albion Homefinders - West Yorkshire - Ilkley
- Alcan Composites UK - West Yorkshire - Leeds
- Alco Process Valves Ltd - West Yorkshire - Brighouse
- Alco Valves Ltd - West Yorkshire - Brighouse
- Alden Transmission Ltd - West Yorkshire - Bradford
- Alderson Consulting - West Yorkshire - Leeds
- Aldon Brearley Print - West Yorkshire - Shipley
- Alec Walker - West Yorkshire - Huddersfield
- Alex W Wade - West Yorkshire - Keighley
- Alfons Haar Ltd - West Yorkshire - Leeds
- Alfran Fasteners Ltd - West Yorkshire - Keighley
- Alfred Bagnall and Sons Ltd - West Yorkshire - Shipley
- Alfred Briggs Sons and Co Ltd - West Yorkshire - Cleckheaton
- Alfred Brown Ltd - West Yorkshire - Leeds
- Alfred Jeanes - West Yorkshire - Keighley
- Alfred Mcalpine Utility Services - West Yorkshire - Pontefract
- Alice Collins - West Yorkshire - Liversedge
- All Change (Leeds) Ltd - West Yorkshire - Leeds
- Allan Green and Son Ltd - West Yorkshire - Keighley
- Allan Thompson Farms Ltd - West Yorkshire - Keighley
- Allcare Mobility - West Yorkshire - Normanton
- Allegro Promotional Products - West Yorkshire - Leeds
- Allen and Furness - West Yorkshire - Liversedge
- Allen Cowgill - West Yorkshire - Otley
- Allertex Ltd - West Yorkshire - Bradford
- Allerton Packaging Service - West Yorkshire - Leeds
- Alliance Valves and Piping Supplies Ltd - West Yorkshire - Brighouse
- Allied Bakeries (Yorkshire) - West Yorkshire - Bradford
- Allied Catering Supplies Ltd - West Yorkshire - Normanton
- Allied Communications (Leeds) Ltd - West Yorkshire - Leeds
- Allied Computer Solutions Ltd - West Yorkshire - Leeds
- Allied Glass Containers Ltd - West Yorkshire - Leeds
- Allied Glass Containers Ltd - West Yorkshire - Castleford
- Allied Machinery Ltd - West Yorkshire - Leeds
- Allied Plant Ltd - West Yorkshire - Castleford
- Allied Tape and Binding Ltd - West Yorkshire - Leeds
- Allied Textiles Ltd - West Yorkshire - Batley
- Allinson Ltd - West Yorkshire - Castleford
- Allison Hydraulics Ltd - West Yorkshire - Bradford
- Allison Plastics and Paper Ltd - West Yorkshire - Pudsey
- Allsop Ltd - West Yorkshire - Huddersfield
- Almac Ltd - West Yorkshire - Leeds
- Almondbury Weaving - West Yorkshire - Huddersfield
- Alpha Brake Drums and Disks - West Yorkshire - Wakefield
- Alpha Displays - West Yorkshire - Leeds
- Alpha Industrial Plastics Ltd - West Yorkshire - Holmfirth
- Alpha Lettering Systems - West Yorkshire - Ossett
- Alpha Moisture Systems Ltd - West Yorkshire - Bradford
- Alpha Plastics - West Yorkshire - Cleckheaton
- Alpha Supplies Ltd - West Yorkshire - Wakefield
- Alpha Tech Dynamics Ltd - West Yorkshire - Ilkley
- Alpha Tools (Northern) Ltd - West Yorkshire - Wakefield
- Alphatek Instruments Ltd - West Yorkshire - Normanton
- Alpine Cleaning and Maintanence - West Yorkshire - Halifax
- Alpine Fabrics - West Yorkshire - Bradford
- Alpro Door Furniture - West Yorkshire - Bradford
- Alresford Associates - West Yorkshire - Wetherby
- Alternative Finishes Ltd - West Yorkshire - Wakefield
- Altex (UK) Ltd - West Yorkshire - Bradford
- Altman and Associates - West Yorkshire - Wetherby
- Alto Digital UK Ltd - West Yorkshire - Leeds
- Alton Cars Ltd - West Yorkshire - Leeds
- Altrigen Solutions Ltd - West Yorkshire - Shipley
- Altronix Ltd - West Yorkshire - Leeds
- Alvis Vickers Ltd - West Yorkshire - Leeds
- Alwyn Pickles and Co - West Yorkshire - Keighley
- Alzin Engineering Ltd - West Yorkshire - Elland
- AM Environmental Ltd - West Yorkshire - Leeds
- AMA Ltd - West Yorkshire - Dewsbury
- Amadeus Press - West Yorkshire - Cleckheaton
- Amazon Fans Ltd - West Yorkshire - Huddersfield
- AMB Industrial Services Ltd - West Yorkshire - Leeds
- Amclyde - West Yorkshire - Leeds
- Amec Mining Ltd - West Yorkshire - Wakefield
- AMF Reece UK - West Yorkshire - Leeds
- AMF Spartan Ltd - West Yorkshire - Leeds
- Amg Engineering Supplies - West Yorkshire - Dewsbury
- AMGAS Fires and Fireplaces - West Yorkshire - Leeds
- Amini Knitting Works - West Yorkshire - Bradford
- amk Automotive Components Ltd - West Yorkshire - Dewsbury
- AMMP Electrical Engineers Ltd - West Yorkshire - Bradford
- Amo Blinds and Fabrics - West Yorkshire - Liversedge
- Amo part of Hunter Douglas - West Yorkshire - Liversedge
- AMPLEC - West Yorkshire - Halifax
- Amplitude Audio Visual Service - West Yorkshire - Bradford
- Ams Pumps - West Yorkshire - Leeds
- Amusement and Music Operations Ltd - West Yorkshire - Liversedge
- Amusement Machines Services - West Yorkshire - Dewsbury
- Amusement Solutions - West Yorkshire - Huddersfield
- Anaesthesia Technology Ltd - West Yorkshire - Wetherby
- Anaka Foods - West Yorkshire - Bradford
- Analytical Services Ltd - West Yorkshire - Dewsbury
- Anatec Electronics - West Yorkshire - Huddersfield
- Anchor Carpets Ltd - West Yorkshire - Liversedge
- Anchor Vehicle Hire Ltd - West Yorkshire - Keighley
- Anchor Vehicle Hire Ltd - West Yorkshire - Pudsey
- Anchor Vehicle Hire Ltd - West Yorkshire - Wakefield
- Andel Ltd - West Yorkshire - Huddersfield
- Anderson and Partners - West Yorkshire - Leeds
- Anderson Joinery Ltd - West Yorkshire - Pudsey
- Anderson Marketing and Promotions - West Yorkshire - Liversedge
- Andon Freres - West Yorkshire - Leeds
- Andrew Benn - West Yorkshire - Halifax
- Andrew Commons - West Yorkshire - Wakefield
- Andrew Hauge - West Yorkshire - Huddersfield
- Andrew J Baines - West Yorkshire - Keighley
- Andrew Jones Pies Ltd - West Yorkshire - Huddersfield
- Andrew Lavery - West Yorkshire - Leeds
- Andrew Page Ltd - West Yorkshire - Leeds
- Andrew Robertshaw - West Yorkshire - Bradford
- Andrew Styan - West Yorkshire - Holmfirth
- Andrew Wilson Fan Sales Ltd - West Yorkshire - Halifax
- Andrews and Platt Ltd - West Yorkshire - Leeds
- Andrews Fasteners Ltd - West Yorkshire - Leeds
- Andrews Sykes Hire Ltd - West Yorkshire - Leeds
- Andy Thornton Ltd - West Yorkshire - Elland
- Aneal Partnership - West Yorkshire - Leeds
- Anetic Aid Ltd - West Yorkshire - Leeds
- Anglo Canadian Alloys Ltd - West Yorkshire - Halifax
- Anglo Carbon and Contacts Ltd - West Yorkshire - Pudsey
- Anglo Dutch Brewery - West Yorkshire - Dewsbury
- Anglo International Sourcing - West Yorkshire - Leeds
- Angloco Ltd - West Yorkshire - Batley
- Anglowide Marketing Ltd - West Yorkshire - Bradford
- Angus Heron Ltd - West Yorkshire - Cleckheaton
- Animal Health Office - West Yorkshire - Leeds
- Ankef - West Yorkshire - Castleford
- Ann Bottomley - West Yorkshire - Leeds
- Anne Keen - West Yorkshire - Huddersfield
- Anne Smith - West Yorkshire - Halifax
- Answer Marketing Ltd - West Yorkshire - Leeds
- Answering4U - West Yorkshire - Shipley
- Anthire Ltd - West Yorkshire - Leeds
- Anthony Barr - West Yorkshire - Wakefield
- Anthony Brown - West Yorkshire - Huddersfield
- Anthony Hodges - West Yorkshire - Wakefield
- Anthony Prouds - West Yorkshire - Batley
- Antique Style Doors - West Yorkshire - Batley
- Antony Fox - West Yorkshire - Bradford
- Anvil Forge - West Yorkshire - Bradford
- Anything Iron - West Yorkshire - Huddersfield
- Anzeck Plastics Ltd - West Yorkshire - Bradford
- Aon Trade and Business - West Yorkshire - Liversedge
- Apb Business Solutions - West Yorkshire - Huddersfield
- APB Supplies - West Yorkshire - Leeds
- APEL Contractors - West Yorkshire - Leeds
- Apex Employment - West Yorkshire - Leeds
- Apex Hydraulics Ltd - West Yorkshire - Dewsbury
- Apollo Beds - West Yorkshire - Liversedge
- Apollo Electronics Corporation Ltd - West Yorkshire - Huddersfield
- Apollo Lighting Ltd - West Yorkshire - Leeds
- Apollo Plant Hire Ltd - West Yorkshire - Bradford
- Apperly Horticultural Ltd - West Yorkshire - Bradford
- Appleby's of Silsden - West Yorkshire - Keighley
- Applelec Ltd - West Yorkshire - Bradford
- Appletree Cottage Industries - West Yorkshire - Bradford
- Appleyard Lees - West Yorkshire - Halifax
- Application Specific Computers Ltd - West Yorkshire - Huddersfield
- Application Visual Communication - West Yorkshire - Leeds
- Applied Containment Engineering Ltd - West Yorkshire - Dewsbury
- Applied Felts Ltd - West Yorkshire - Wakefield
- Applied Inspection Ltd - West Yorkshire - Ossett
- Applied Metal Technology Ltd - West Yorkshire - Leeds
- Applied Precison Coatings Ltd - West Yorkshire - Bradford
- Applied Visability Ltd - West Yorkshire - Dewsbury
- Aprile (UK) Ltd - West Yorkshire - Cleckheaton
- Apt Motor Factors - West Yorkshire - Leeds
- Aqua Newspapers - West Yorkshire - Wetherby
- Aqua Rentals - West Yorkshire - Wakefield
- Aqua-Mist Fire Protection Ltd - West Yorkshire - Wakefield
- Aquadam UK Ltd - West Yorkshire - Wakefield
- Aquamat Fourseasons - West Yorkshire - Elland
- Aquaphonix Ltd - West Yorkshire - Bingley
- Aquarius Bathrooms - West Yorkshire - Halifax
- Aquarius Bathrooms Ltd - West Yorkshire - Leeds
- Aquasentry - West Yorkshire - Bradford
- Aquaspersions Ltd - West Yorkshire - Halifax
- Aquaterra Environmental Consultants Ltd - West Yorkshire - Leeds
- Aqumen - West Yorkshire - Wakefield
- AR Facer Ltd - West Yorkshire - Leeds
- Aramark Refreshment Services Ltd - West Yorkshire - Wakefield
- Arbon Associates - West Yorkshire - Leeds
- ARC Computer Services - West Yorkshire - Normanton
- ARC International Tableware UK Ltd - West Yorkshire - Leeds
- Arcadia Food Industries Ltd - West Yorkshire - Bradford
- Arcadia Group plc - West Yorkshire - Leeds
- Arcadis Geraghty and Miller International - West Yorkshire - Leeds
- Arcform Fabrications - West Yorkshire - Cleckheaton
- Arch Coatings - West Yorkshire - Castleford
- Arch Timber Protection - West Yorkshire - Castleford
- Archal Contracts - West Yorkshire - Leeds
- Archbold Logistics Ltd - West Yorkshire - Leeds
- Archer Engineering Ltd - West Yorkshire - Leeds
- Archerdale Ltd - West Yorkshire - Shipley
- Architectural Fabrications - West Yorkshire - Halifax
- Architectural Street Furnishings - West Yorkshire - Brighouse
- Archway Engineering UK Ltd - West Yorkshire - Elland
- Arco Ltd - Bradford - West Yorkshire - Bradford
- Arco Ltd - Ossett - West Yorkshire - Ossett
- Arctic Foods - West Yorkshire - Bradford
- Ardeth Engineering Ltd - West Yorkshire - Elland
- Ardor - West Yorkshire - Huddersfield
- Areal - West Yorkshire - Leeds
- Arena Business Machines - West Yorkshire - Shipley
- Arena Group Ltd / Arena Business Machines - West Yorkshire - Wakefield
- Arian Park Spinning Co Ltd - West Yorkshire - Dewsbury
- Aristomatics Ltd - West Yorkshire - Pontefract
- Ark Site Fabrication - West Yorkshire - Batley
- Arkoni Ltd - West Yorkshire - Halifax
- Armitage Clegg and Co Ltd - West Yorkshire - Halifax
- Armitage Monobond - West Yorkshire - Otley
- Armitage Specialised Frames Ltd - West Yorkshire - Sowerby Bridge
- Armley Fashions - West Yorkshire - Leeds
- Armourcote - West Yorkshire - Leeds
- Armstrong Hot Foil Stamping and Embossing - West Yorkshire - Keighley
- Armstrong Priestley Ltd - West Yorkshire - Leeds
- Armstrong Products - West Yorkshire - Huddersfield
- Armytage and Webster Ltd - West Yorkshire - Brighouse
- Armytage Trading Ltd - West Yorkshire - Brighouse
- Arndrove Fabrication Ltd - West Yorkshire - Leeds
- Arnold Laver (Leeds) Ltd - West Yorkshire - Leeds
- Arnold Laver Marketing Dept - West Yorkshire - Bradford
- Arnold Laver Timberworld and Co - West Yorkshire - Bradford
- Arnside Gearbox Centre - West Yorkshire - Bradford
- Aromask Recruitment (Aromask (UK) Ltd) - West Yorkshire - Bradford
- Arranquote Ltd - West Yorkshire - Pontefract
- Arrose Engineering - West Yorkshire - Hebden Bridge
- Arrow Metals Ltd - West Yorkshire - Wetherby
- Arrow Power Tool Hire Services Ltd - West Yorkshire - Ilkley
- ART Laser Ltd - West Yorkshire - Bradford
- Art Of Iron - West Yorkshire - Huddersfield
- Arteeco Ltd - West Yorkshire - Leeds
- Arthritis Research Campaign - West Yorkshire - Bradford
- Arthur Brook Ltd - West Yorkshire - Dewsbury
- Arthur Cawood - West Yorkshire - Leeds
- Arthur Firth Ltd - West Yorkshire - Dewsbury
- Arthur G Smith - West Yorkshire - Batley
- Arthur Pickles and Sons - West Yorkshire - Hebden Bridge
- Arthur Rostron and Sons Ltd - West Yorkshire - Leeds
- Arthur Sykes and Son - West Yorkshire - Huddersfield
- Arthur Taylor - West Yorkshire - Sowerby Bridge
- Arthur Walton Ltd - West Yorkshire - Bradford
- Artisan - West Yorkshire - Brighouse
- Artisan Security Doors - West Yorkshire - Bradford
- Artisan Windows - West Yorkshire - Bingley
- Arville Textiles Ltd - West Yorkshire - Wetherby
- AS Glass Ltd - West Yorkshire - Leeds
- AS Pickering Ltd - West Yorkshire - Bradford
- Asa Nicholson - West Yorkshire - Bradford
- ASC Cartons Ltd - West Yorkshire - Shipley
- Ascott Fabrications Ltd - West Yorkshire - Wakefield
- ASD Lighting plc - West Yorkshire - Halifax
- ASD metal services - Head Office - West Yorkshire - Leeds
- ASD Services - West Yorkshire - Leeds
- ASG Fabrications Ltd - West Yorkshire - Batley
- Ash Mouldings UK Ltd - West Yorkshire - Dewsbury
- Ashbourne Furnishing Fabrics - West Yorkshire - Bradford
- Ashbourne Upholstery - West Yorkshire - Shipley
- Ashby and Anderson - West Yorkshire - Leeds
- Ashby Arthur - West Yorkshire - Otley
- Ashco 2000 Ltd - West Yorkshire - Leeds
- AshDale Electrical Testing - West Yorkshire - Leeds
- Ashdale Management - West Yorkshire - Huddersfield
- Ashfield - West Yorkshire - Wakefield
- Ashleigh Signs - West Yorkshire - Leeds
- Ashley Forge Ltd - West Yorkshire - Keighley
- Ashley Interiors - West Yorkshire - Huddersfield
- Ashley Print and Design Co - West Yorkshire - Leeds
- Ashley Smith - West Yorkshire - Huddersfield
- Ashstead Plant Hire Co Ltd - West Yorkshire - Pudsey
- Ashtead Plant Hire Company Ltd - West Yorkshire - Batley
- Ashton Bennett Consultancy - West Yorkshire - Holmfirth
- Ashton Tools Ltd - West Yorkshire - Leeds
- Ashtree Glass Ltd - West Yorkshire - Bradford
- Ashworth Frazer - West Yorkshire - Leeds
- ASK Materials Handling - West Yorkshire - Ossett
- Aspect Court Business Centre - West Yorkshire - Leeds
- Aspect Project 2000 - West Yorkshire - Leeds
- Asphaltic Roofing Supplies Ltd - West Yorkshire - Leeds
- Aspli Safety Ltd - West Yorkshire - Leeds
- Asquith Butler Ltd - West Yorkshire - Brighouse
- Assess IT Systems Ltd - West Yorkshire - Huddersfield
- Associated Boilerhouse Services Ltd - West Yorkshire - Halifax
- Associated Co-Operative Creameries Ltd - West Yorkshire - Halifax
- Associated Plastic Services (UK) Ltd - West Yorkshire - Dewsbury
- Associated Utility Supplies Ltd - West Yorkshire - Huddersfield
- Association Of British Mining Equipment Companies - West Yorkshire - Wakefield
- Association of Suppliers British Clothing Industry - West Yorkshire - Halifax
- Assured Sleep Beds Ltd - West Yorkshire - Liversedge
- Assyst Bullmer Ltd - West Yorkshire - Wakefield
- Astorgreen Ltd - West Yorkshire - Keighley
- Astra Blinds Shutters and Garage Doors - West Yorkshire - Castleford
- Astracast - West Yorkshire - Batley
- Asw - West Yorkshire - Leeds
- AT Graphics - West Yorkshire - Halifax
- ATB Morley Ltd - West Yorkshire - Pudsey
- ATC Dyers - West Yorkshire - Bradford
- ATC Products Ltd - West Yorkshire - Leeds
- Atek Health and Safety - West Yorkshire - Mirfield
- Atholl R Smith - West Yorkshire - Keighley
- Atkinson Dyeing Co Ltd - West Yorkshire - Keighley
- Atkinsons Fencing Ltd - West Yorkshire - Castleford
- Atkinsons Printers - West Yorkshire - Pontefract
- Atlantic CSP - West Yorkshire - Keighley
- Atlas Hydraulic Loaders Ltd - West Yorkshire - Bradford
- Atlas Machinery (UK) Ltd - West Yorkshire - Wakefield
- ATR Foods - West Yorkshire - Bradford
- Auckland and Green UK Ltd - West Yorkshire - Liversedge
- Audeon - West Yorkshire - Leeds
- Audio Images - West Yorkshire - Bradford
- Audio Laboratories (Leeds) - West Yorkshire - Leeds
- Audio Synergy Ltd - West Yorkshire - Liversedge
- Audio Technica Ltd - West Yorkshire - Leeds
- Audio Web UK - West Yorkshire - Wetherby
- Aurora Marble Ltd - West Yorkshire - Huddersfield
- Aurora Profiles Ltd - West Yorkshire - Leeds
- Austin Curtain Makers Ltd - West Yorkshire - Cleckheaton
- Austin Hayes Ltd - West Yorkshire - Leeds
- Austral Yarns Ltd - West Yorkshire - Liversedge
- Auto Extract Systems Ltd - West Yorkshire - Halifax
- Auto Furniture Ltd - West Yorkshire - Brighouse
- Auto Performance Silicone Hoses - West Yorkshire - Leeds
- Auto-Lift UK Ltd - West Yorkshire - Bradford
- Auto-lift UK Ltd - West Yorkshire - Bradford
- Autobind Trade Binders Ltd - West Yorkshire - Huddersfield
- Autoclaves Ltd - West Yorkshire - Bingley
- AutoDesignTechnics - West Yorkshire - Bradford
- AutoDrain - West Yorkshire - Leeds
- Autogem and Veco Ltd - West Yorkshire - Leeds
- Autolux Ltd - West Yorkshire - Leeds
- Automated Business Machines - West Yorkshire - Wakefield
- Automatic Components (Stanningley) Ltd - West Yorkshire - Cleckheaton
- Automotive Electrical (Mirfield) Ltd - West Yorkshire - Mirfield
- Automotive Engineering (Rishworth) Ltd - West Yorkshire - Sowerby Bridge
- Autopaint (Huddersfield) - West Yorkshire - Huddersfield
- Autosound Ltd - West Yorkshire - Bradford
- Autostyling - West Yorkshire - Pudsey
- Autovalues Engineering - West Yorkshire - Bradford
- Autoweigh Scales Ltd - West Yorkshire - Elland
- AV 2000 Ltd - West Yorkshire - Pudsey
- Avalon Beds Ltd - West Yorkshire - Dewsbury
- Avanta UK Ltd - West Yorkshire - Leeds
- Avantifix Ltd - West Yorkshire - Leeds
- Avena Carpets Ltd - West Yorkshire - Halifax
- Avocet Dye and Chemical Co Ltd - West Yorkshire - Brighouse
- Avocet Hardware - West Yorkshire - Brighouse
- Avondale Group - West Yorkshire - Leeds
- Avondale Machinery - West Yorkshire - Wakefield
- AW (Europe) Ltd - West Yorkshire - Halifax
- AW Angus and Co Ltd - West Yorkshire - Leeds
- AW Hainsworth and Sons Ltd - West Yorkshire - Pudsey
- AW Lumb - West Yorkshire - Ossett
- AW Sales - West Yorkshire - Halifax
- AW Scott's - West Yorkshire - Leeds
- Award Banners and Signs - West Yorkshire - Leeds
- Axon Components Ltd - West Yorkshire - Leeds
- Aytek - West Yorkshire - Dewsbury
- Azo Ltd - West Yorkshire - Halifax
- Azra Business Consultants - West Yorkshire - Halifax
- Aztec Presentations Ltd - West Yorkshire - Leeds
- B and D Bolts Ltd - West Yorkshire - Batley
- B and D Products Halifax Ltd - West Yorkshire - Halifax
- B and E Services - West Yorkshire - Batley
- B and H G Stringer - West Yorkshire - Castleford
- B and M Sheet Metal (Leeds) Ltd - West Yorkshire - Leeds
- B and N Patterns - West Yorkshire - Halifax
- B and W Ltd - West Yorkshire - Bingley
- B and W Mobility Ltd - West Yorkshire - Leeds
- B B Plastics - West Yorkshire - Mirfield
- B C Ashby - West Yorkshire - Otley
- B C Lawn - West Yorkshire - Bradford
- B Colwill - West Yorkshire - Holmfirth
- B Danby and Co Ltd - West Yorkshire - Leeds
- B Dibb - West Yorkshire - Otley
- B F M Distribution Ltd - West Yorkshire - Shipley
- B H Gray - West Yorkshire - Ilkley
- B J M Joinery Manufacturers - West Yorkshire - Bradford
- B J Plant Hire - West Yorkshire - Leeds
- B Kemp (Grinders) - West Yorkshire - Liversedge
- B Mitton - West Yorkshire - Huddersfield
- B Morland and Co Ltd - West Yorkshire - Leeds
- B P Scrap Metal - West Yorkshire - Huddersfield
- B Pratt - West Yorkshire - Hebden Bridge
- B Sutcliffe - West Yorkshire - Wakefield
- B T Consulting Ltd - West Yorkshire - Leeds
- B T Greaves - West Yorkshire - Otley
- BAB Industrial and Commercial - West Yorkshire - Leeds
- Back To Nature - West Yorkshire - Castleford
- Back To Work Co - West Yorkshire - Leeds
- Backhouse T and Son - West Yorkshire - Wetherby
- Badenoch and Clark - West Yorkshire - Leeds
- Badgeman's Recognition Express - West Yorkshire - Huddersfield
- Baf Printers Ltd - West Yorkshire - Leeds
- Bagnall Hopkins Recruitment Ltd - West Yorkshire - Wakefield
- Bailey James Ltd - West Yorkshire - Huddersfield
- Bailey NG and Co Ltd - West Yorkshire - Ilkley
- Bailey Teswaine Ltd - West Yorkshire - Leeds
- Bailey, Walsh and Co - West Yorkshire - Leeds
- Bailiff Forge Manufacturing - West Yorkshire - Huddersfield
- Bainbridge Liversidge Group - West Yorkshire - Leeds
- Bairstow Brothers (1985) Ltd - West Yorkshire - Halifax
- Bakes and Lord Ltd - West Yorkshire - Bradford
- Bals Electrical Engineering Ltd - West Yorkshire - Normanton
- Balustrading Contracts Ltd - West Yorkshire - Leeds
- Bancroft Blinds - West Yorkshire - Shipley
- Bank Bottom Engineering Services Ltd - West Yorkshire - Huddersfield
- Bank Top Farm - West Yorkshire - Halifax
- Banks Foundation - West Yorkshire - Otley
- Banner-man - West Yorkshire - Bradford
- Banson Tool Hire Ltd - West Yorkshire - Halifax
- Bapp Industrial Supplies Ltd - West Yorkshire - Brighouse
- Bar Flya Ltd - West Yorkshire - Leeds
- BAR Graphic Machinery - West Yorkshire - Bradford
- Bar Products and Services Ltd - West Yorkshire - Bradford
- Bar Refurbishment UK Ltd - West Yorkshire - Halifax
- Bardon Roadstone Ltd - West Yorkshire - Leeds
- Bardon Roofing Services - West Yorkshire - Wakefield
- Barfit - West Yorkshire - Huddersfield
- Barkers Curtain Corner - West Yorkshire - Leeds
- Barkston Plastics Ltd - West Yorkshire - Leeds
- Barkston plc - West Yorkshire - Leeds
- Barlow Refractory Products Ltd - West Yorkshire - Leeds
- Barloworld Handling Ltd - West Yorkshire - Leeds
- Barnes Kavelle Ltd - West Yorkshire - Cleckheaton
- Baron Bros Ltd - West Yorkshire - Leeds
- Barplas Ltd - West Yorkshire - Bradford
- Barrett Steel Ltd - West Yorkshire - Bradford
- Barrie Stott Consulting Engineer - West Yorkshire - Otley
- Barson Press Ltd - West Yorkshire - Leeds
- Bartfield and Co - West Yorkshire - Leeds
- Bartons - West Yorkshire - Bradford
- Bartuf Systems - West Yorkshire - Leeds
- Barwick Frames Ltd - West Yorkshire - Leeds
- Barwick of Bradford - West Yorkshire - Bradford
- Basement 4 - West Yorkshire - Cleckheaton
- Bateman - West Yorkshire - Bingley
- Bateman Skilled and Technical Ltd - West Yorkshire - Huddersfield
- Bathrooms By De-Zine - West Yorkshire - Leeds
- Batley Curtains - West Yorkshire - Batley
- Batley Foundries Ltd - West Yorkshire - Batley
- Batley Pet Products - West Yorkshire - Batley
- Batley Wire Products Ltd - West Yorkshire - Batley
- Batorer Ltd - West Yorkshire - Cleckheaton
- Batoyle Ltd - West Yorkshire - Huddersfield
- Battery Equipment Services Ltd - West Yorkshire - Leeds
- Bay Pine - West Yorkshire - Leeds
- Bayford - West Yorkshire - Halifax
- Bayford and Co Ltd - West Yorkshire - Wetherby
- Baylis Hargreaves Ltd - West Yorkshire - Leeds
- BBM Engineering Ltd - West Yorkshire - Batley
- BBN Fast Net - West Yorkshire - Bradford
- BBR Graphic Engineers (Yorkshire) Ltd - West Yorkshire - Ossett
- BC Dyson - West Yorkshire - Halifax
- BCC Group Ltd - West Yorkshire - Castleford
- BDC Engineering - West Yorkshire - Leeds
- BDC Lifting - West Yorkshire - Leeds
- Bead and Shotblasting Ltd - West Yorkshire - Halifax
- Beal (UK) Ltd - West Yorkshire - Leeds
- Beamreach Printing - West Yorkshire - Liversedge
- Beard Juggling Equipment Ltd - West Yorkshire - Hebden Bridge
- Beasley (Joiners) Ltd - West Yorkshire - Leeds
- Beau Bows - West Yorkshire - Sowerby Bridge
- Beaumont and Blackburn Ltd - West Yorkshire - Dewsbury
- Beaumont Blending Co Ltd - West Yorkshire - Huddersfield
- Beaumont Brothers - West Yorkshire - Halifax
- Beaumonts Robinson Risk Services - West Yorkshire - Bradford
- Beauty Sleep - West Yorkshire - Liversedge
- Beaver International - West Yorkshire - Leeds
- Beaver Leeds Ltd - West Yorkshire - Leeds
- Beaver Sports (Yorkshire) Ltd - West Yorkshire - Huddersfield
- Becker Pumps and Air Equipment - West Yorkshire - Leeds
- Bed Company - West Yorkshire - Leeds
- Beddis Kenley Engineering Ltd - West Yorkshire - Leeds
- Beddis Kenley Machinery Ltd - West Yorkshire - Hebden Bridge
- Beds By Design - West Yorkshire - Sowerby Bridge
- Beds Plus - West Yorkshire - Leeds
- Beech Tree Manufacturing Ltd - West Yorkshire - Halifax
- Beech Wear Manufacturing Co - West Yorkshire - Bradford
- Beeland Controls Ltd - West Yorkshire - Leeds
- Beeline Couriers - West Yorkshire - Bradford
- Beer Gas Express - West Yorkshire - Halifax
- Beldan Crossley Ltd - West Yorkshire - Huddersfield
- Belgravium - West Yorkshire - Bradford
- Bell Brothers (Pudsey) Ltd - West Yorkshire - Pudsey
- Bell H Machine Tools Ltd - West Yorkshire - Wetherby
- Bell-Perkins Ltd - West Yorkshire - Leeds
- Bellow Machine Co Ltd - West Yorkshire - Leeds
- Bells Instrument Engineers - West Yorkshire - Bradford
- Bellwear - West Yorkshire - Leeds
- Belmont NDT and Quality Services - West Yorkshire - Leeds
- Ben Air Control Ltd - West Yorkshire - Leeds
- Benavista Health Wealth and Freedom - West Yorkshire - Bradford
- Benjamin R Vickers and Sons Ltd - West Yorkshire - Leeds
- Benson Beltings Ltd - West Yorkshire - Cleckheaton
- Benson Industries Ltd - West Yorkshire - Bradford
- Benson Payne Ltd - West Yorkshire - Halifax
- Bentsfield Engineering Ltd - West Yorkshire - Huddersfield
- Berleburger - West Yorkshire - Halifax
- Bernard Nevison - West Yorkshire - Leeds
- Bernies - West Yorkshire - Bradford
- Berry - West Yorkshire - Brighouse
- Berry and Marshall Ltd - West Yorkshire - Bradford
- Berthold - West Yorkshire - Huddersfield
- Berwin and Berwin Ltd - West Yorkshire - Leeds
- Bes Consulting Ltd - West Yorkshire - Huddersfield
- BES Ltd - West Yorkshire - Bradford
- Bespoke Interim Ltd - West Yorkshire - Leeds
- Best Blinds - West Yorkshire - Batley
- Best Business Finance - West Yorkshire - Keighley
- Best Connection - West Yorkshire - Leeds
- Best Kept Secret - West Yorkshire - Leeds
- Bestobell Service / Solartron Mobrey - West Yorkshire - Batley
- Betech 100pt Ltd - West Yorkshire - Heckmondwike
- Bethel Rhodes and Sons (Wireworkers) Ltd - West Yorkshire - Keighley
- Bettamix Concrete - West Yorkshire - Bradford
- Better Bounce - West Yorkshire - Leeds
- Beverley Frazer and J Cooper - West Yorkshire - Bradford
- BFP Wholesale Ltd (Leeds Depot) - West Yorkshire - Normanton
- BG Machinery Ltd - West Yorkshire - Halifax
- BGM Plastics Ltd - West Yorkshire - Huddersfield
- Bhachu Engineering Works - West Yorkshire - Leeds
- BI Mentors - West Yorkshire - Leeds
- Bibby Transmissions Ltd - West Yorkshire - Dewsbury
- Bicknell Control Systems Ltd - West Yorkshire - Leeds
- Bidos - West Yorkshire - Bradford
- Biffa Waste Services Ltd - West Yorkshire - Wakefield
- Big Apple - West Yorkshire - Leeds
- Bill Emery - West Yorkshire - Bingley
- Billiard Supply Co - West Yorkshire - Huddersfield
- Billy France - West Yorkshire - Liversedge
- Bin It Skip Hire - West Yorkshire - Bradford
- Bingham Engineering Ltd - West Yorkshire - Pontefract
- Bingley Catering Supplies UK Ltd - West Yorkshire - Bradford
- Bingley Foundries Ltd - West Yorkshire - Bingley
- Bingley Textile Supplies - West Yorkshire - Bingley
- Binson Bearing Co - West Yorkshire - Leeds
- Bio Natura Ltd - West Yorkshire - Ilkley
- Biocalth International (UK) Ltd - West Yorkshire - Shipley
- BioDigital Ltd - West Yorkshire - Bradford
- Birch Printers Ltd - West Yorkshire - Bradford
- Birdsall Farms Ltd - West Yorkshire - Pontefract
- Birkbys Plastic Ltd - West Yorkshire - Liversedge
- Birkett Cutmaster Ltd - West Yorkshire - Cleckheaton
- Birks Contractors Ltd - West Yorkshire - Huddersfield
- Birstall Fabrications - West Yorkshire - Batley
- Biscor - West Yorkshire - Bradford
- Bitterling Crowther - West Yorkshire - Huddersfield
- Biywell Products Ltd - West Yorkshire - Bradford
- Bizz Publications Ltd - West Yorkshire - Halifax
- BK Growers Ltd - West Yorkshire - Wetherby
- Black and White Consumables Ltd. - West Yorkshire - Wakefield
- Black Cat Fireworks Ltd - West Yorkshire - Huddersfield
- Black Widow Business Developments Ltd - West Yorkshire - Leeds
- Blackburn Calder Fabrics - West Yorkshire - Mirfield
- Blackburn Wigglesworth and Associates - West Yorkshire - Wetherby
- Blackburns - West Yorkshire - Leeds
- Blackburns - West Yorkshire - Dewsbury
- Blackburns Metals Ltd - West Yorkshire - Leeds
- Blackgates Engineering - West Yorkshire - Bradford
- Blackhall Engineering Ltd - West Yorkshire - Brighouse
- Blackmine Labradors and Border Terriers - West Yorkshire - Pontefract
- Blackrock Environmental Consultants Ltd - West Yorkshire - Bradford
- Blackstone-Ney Ultrasonics - West Yorkshire - Bradford
- Blackwall Ltd - West Yorkshire - Leeds
- Blackwood Communications - West Yorkshire - Hebden Bridge
- Blagbrough Engineering Ltd - West Yorkshire - Keighley
- Blake Engineering Co Ltd - West Yorkshire - Huddersfield
- Blakey Analysis - West Yorkshire - Bingley
- Blakley Electrics Ltd - West Yorkshire - Wakefield
- Bland and Swift - West Yorkshire - Leeds
- Blastfleet Ltd - West Yorkshire - Wakefield
- Blind and Awning Co - West Yorkshire - Holmfirth
- Blind Factorythe - West Yorkshire - Heckmondwike
- Blindhaus - West Yorkshire - Bradford
- Blinds 2000 - West Yorkshire - Leeds
- Blinds and co - West Yorkshire - Leeds
- Blinds Direct - West Yorkshire - Wakefield
- Bliss Systems - West Yorkshire - Wetherby
- BLS Asbestos Ltd - West Yorkshire - Brighouse
- BLS Group - West Yorkshire - Brighouse
- Blue Cube Design Ltd - West Yorkshire - Shipley
- Blue Ginger (UK) Ltd - West Yorkshire - Halifax
- Blue Ribbon Services - West Yorkshire - Halifax
- Blue Stone plc - West Yorkshire - Leeds
- Blueclaw - West Yorkshire - Leeds
- Blueprint Innovation Ltd - West Yorkshire - Halifax
- BM Joinery - West Yorkshire - Huddersfield
- BM Packaging Ltd - West Yorkshire - Huddersfield
- BM Printers - West Yorkshire - Huddersfield
- BMA Partitioning Group - West Yorkshire - Wetherby
- BMB Buildbase - West Yorkshire - Pontefract
- BMB Buildbase - West Yorkshire - Kirkby
- BMB Clothing Ltd - West Yorkshire - Leeds
- Boat Brewery - West Yorkshire - Castleford
- Bob Jackson Cycles (1993) Ltd - West Yorkshire - Leeds
- Boca Ltd - West Yorkshire - Huddersfield
- Boge Compressors Ltd - West Yorkshire - Brighouse
- Bohan - West Yorkshire - Shipley
- Boiler Heating Supplies Ltd - West Yorkshire - Leeds
- Bolam and Shaw Ltd - West Yorkshire - Huddersfield
- Bolivar Stamping Ltd - West Yorkshire - Keighley
- Bolt and Nut Supplies Ltd - West Yorkshire - Pudsey
- BOM Engineering Ltd - West Yorkshire - Leeds
- Bon Bons - West Yorkshire - Wetherby
- Bond Fabrications - West Yorkshire - Batley
- Bond-a-Band Transmissions Ltd - West Yorkshire - Halifax
- Booker Wellman Ltd - West Yorkshire - Leeds
- Boon Edam Ltd - West Yorkshire - Leeds
- Booth and Heywood Ltd - West Yorkshire - Shipley
- Booth House Forge - West Yorkshire - Huddersfield
- Booths Casings Ltd - West Yorkshire - Castleford
- Border Textiles UK Ltd - West Yorkshire - Cleckheaton
- Bordervalley - West Yorkshire - Bradford
- Bossdean Properties Ltd - West Yorkshire - Bradford
- Bottcher UK Ltd - West Yorkshire - Shipley
- Bottom Line - West Yorkshire - Leeds
- Boulby John - West Yorkshire - Keighley
- Bowden Jackson Constructions Ltd - West Yorkshire - Leeds
- Bower Roebuck and Co Ltd - West Yorkshire - Huddersfield
- Bowers Metrology Group - West Yorkshire - Bradford
- Bowmans - West Yorkshire - Leeds
- Boxclever - West Yorkshire - Leeds
- Boxtress Precision Engineering Ltd - West Yorkshire - Halifax
- Boxwood Ltd - West Yorkshire - Leeds
- Boyle - West Yorkshire - Sowerby Bridge
- BPA (UK) Ltd - West Yorkshire - Leeds
- BPB Recycling UK - West Yorkshire - Batley
- BPC Building Products Ltd - West Yorkshire - Wakefield
- Brackfix Ltd - West Yorkshire - Bradford
- Brad Fabs - West Yorkshire - Bradford
- Bradair - West Yorkshire - Bradford
- Bradbury Bros - West Yorkshire - Huddersfield
- Brade Engineering Ltd - West Yorkshire - Brighouse
- Bradford and Bingley plc - West Yorkshire - Bingley
- Bradford Armature Winding Co Ltd - West Yorkshire - Bradford
- Bradford Business Machines - West Yorkshire - Cleckheaton
- Bradford Cover and Tent Co Ltd - West Yorkshire - Bradford
- Bradford Cylinders Ltd - West Yorkshire - Bradford
- Bradford District Chamber Of Trade - West Yorkshire - Bradford
- Bradford Grinders UK Ltd - West Yorkshire - Bradford
- Bradford Guttering - West Yorkshire - Bradford
- Bradford Hide Co Ltd - West Yorkshire - Bradford
- Bradford Ladders - West Yorkshire - Bradford
- Bradford Metal Spinning Company Ltd, The - West Yorkshire - Bingley
- Bradford Optical Co Ltd - West Yorkshire - Bradford
- Bradford Rubber Services - West Yorkshire - Bradford
- Bradford Tool and Gauge Ltd - West Yorkshire - Bradford
- Bradford Waste Chasers Ltd - West Yorkshire - Bradford
- Bradford Wholefoods Ltd - West Yorkshire - Bradford
- Bradley Doublelock Ltd - West Yorkshire - Bingley
- Brail and Large Print Services - West Yorkshire - Leeds
- Braime Pressings Ltd - West Yorkshire - Leeds
- Bramley Garage Doors - West Yorkshire - Leeds
- Bramley Grange Farm - West Yorkshire - Leeds
- Bramley Ltd - West Yorkshire - Castleford
- Brand Partnership Ltd - West Yorkshire - Leeds
- Brandon Medical - West Yorkshire - Leeds
- Brannoch Clothing - West Yorkshire - Bradford
- Branova Ltd - West Yorkshire - Dewsbury
- Brass World - West Yorkshire - Keighley
- Bravadii - West Yorkshire - Wakefield
- Braxon Fabrications Ltd - West Yorkshire - Bradford
- Bray and Holmes Engineering - West Yorkshire - Huddersfield
- Bray Burners Ltd - West Yorkshire - Leeds
- Brecks Farm Ltd - West Yorkshire - Leeds
- Breelight Ltd - West Yorkshire - Leeds
- Breg Products Ltd - West Yorkshire - Huddersfield
- Brellant Engineering Co - West Yorkshire - Huddersfield
- Brentwood Marketing - West Yorkshire - Sowerby Bridge
- Bretton Street Enterprise Centre - West Yorkshire - Dewsbury
- Brew-Eng Consultancy Ltd - West Yorkshire - Sowerby Bridge
- Brewchem International Ltd - West Yorkshire - Keighley
- Brewin Dolphin Securities Ltd - West Yorkshire - Halifax
- Brewin Dolphin Securities Ltd - West Yorkshire - Leeds
- Brewin Dolphin Securities Ltd - West Yorkshire - Bradford
- BRG Plant Hire - West Yorkshire - Hebden Bridge
- Brian Cook Engineering Ltd - West Yorkshire - Dewsbury
- Brian Degnan Sewing Machines - West Yorkshire - Leeds
- Brian Eastwood and Sons - West Yorkshire - Huddersfield
- Brian Gray - West Yorkshire - Leeds
- Brian Holden Ltd - West Yorkshire - Castleford
- Brian Rook Ltd - West Yorkshire - Leeds
- Brian Turner - West Yorkshire - Wakefield
- Brian Widdop - West Yorkshire - Brighouse
- Brick Products Ltd - West Yorkshire - Wetherby
- Brick-Link Ltd - West Yorkshire - Leeds
- Bridge Fabrications - West Yorkshire - Huddersfield
- Bridgecraft Furniture - West Yorkshire - Hebden Bridge
- Bridgemills Ltd - West Yorkshire - Huddersfield
- Brierley Bros Ltd - West Yorkshire - Huddersfield
- Briggs and Partner Ltd - West Yorkshire - Elland
- Briggs Bros Ltd - West Yorkshire - Keighley
- Briggs Land Drainage and Excavations Ltd - West Yorkshire - Mirfield
- Briggs Priestley Ltd - West Yorkshire - Halifax
- Brighouse Engineering Ltd - West Yorkshire - Brighouse
- Bright Screw Co Ltd - West Yorkshire - Leeds
- Brightech Metal Finishers - West Yorkshire - Sowerby Bridge
- Brighter Marketing - West Yorkshire - Leeds
- Brightside Industries Ltd - West Yorkshire - Dewsbury
- Brillfood Catering - West Yorkshire - Leeds
- Brimak - West Yorkshire - Leeds
- Bringate Sheetmetal Fabrications - West Yorkshire - Leeds
- Britannia Cooling Ltd - West Yorkshire - Leeds
- Britannia Fine Cloths Ltd - West Yorkshire - Leeds
- Britannia Machinery (Pontefract) Ltd - West Yorkshire - Pontefract
- Britannia Mending Co - West Yorkshire - Huddersfield
- Britannia Mounts Co - West Yorkshire - Huddersfield
- Britannia Sales - West Yorkshire - Leeds
- Britannic Lift Company plc, The - West Yorkshire - Keighley
- Brite Band (1990) Ltd - West Yorkshire - Bradford
- Brite Industrial Ltd - West Yorkshire - Dewsbury
- British Bakeries Northern Ltd - West Yorkshire - Bradford
- British Beds - West Yorkshire - Batley
- British Electric Lamps Ltd - West Yorkshire - Normanton
- British Hardwoods - West Yorkshire - Keighley
- British Library - West Yorkshire - Wetherby
- British Mohair Spinners Ltd - West Yorkshire - Bradford
- British Printing Industries Federation - West Yorkshire - Wakefield
- British Thornton ESF Ltd - West Yorkshire - Keighley
- British-American Business Group Of The North East - West Yorkshire - Leeds
- Briton Engineering Developments Ltd - West Yorkshire - Huddersfield
- Britphos Ltd - West Yorkshire - Leeds
- Britvic Ltd - West Yorkshire - Normanton
- BRM Joinery - West Yorkshire - Halifax
- Broadbent and Tilleard - West Yorkshire - Bradford
- Broadbent Drives Engineering - West Yorkshire - Bradford
- Broadbent Stanley Ltd - West Yorkshire - Sowerby Bridge
- Broadbent Thomas and Sons Ltd - West Yorkshire - Huddersfield
- Broadcliffe Fabrications - West Yorkshire - Hebden Bridge
- Broadley Bros Pre-Cast Ltd - West Yorkshire - Bradford
- Broadside Colours and Chemicals Ltd - West Yorkshire - Bradford
- Brocard Ltd - West Yorkshire - Wakefield
- Bronte Foods Ltd - West Yorkshire - Keighley
- Bronte Precision Engineering Ltd - West Yorkshire - Bradford
- Bronte Whirlpools Ltd - West Yorkshire - Keighley
- Brook and France Ltd - West Yorkshire - Huddersfield
- Brook and Learoyd - West Yorkshire - Huddersfield
- Brook Crompton - West Yorkshire - Huddersfield
- Brook Dyeing Co Ltd - West Yorkshire - Huddersfield
- Brook Group Ltd - West Yorkshire - Huddersfield
- Brook International - West Yorkshire - Keighley
- Brook Ltd - West Yorkshire - Wakefield
- Brook Miller Mobility Ltd - West Yorkshire - Brighouse
- Brook Street Bureau plc - West Yorkshire - Leeds
- Brooke North - West Yorkshire - Leeds
- Brooks Service Group Ltd - West Yorkshire - Bradford
- Brooks Service Group plc - West Yorkshire - Leeds
- Brooks Service Group plc - West Yorkshire - Batley
- Brooks Stairlifts Ltd - West Yorkshire - Leeds
- Brooksford Pattern Co - West Yorkshire - Halifax
- Brookson - West Yorkshire - Leeds
- Brookworth Enviromental Services - West Yorkshire - Keighley
- Brotherton Speciality Products Ltd - West Yorkshire - Wakefield
- Brown and Sturrock - West Yorkshire - Sowerby Bridge
- Brownhill Motors - West Yorkshire - Elland
- Browns Fasteners Ltd - West Yorkshire - Leeds
- Brumfitt Factory Equipment - West Yorkshire - Bradford
- Brunswick Metal Spinners - West Yorkshire - Halifax
- Bruva Renaissance - West Yorkshire - Leeds
- Bryan G Hall Ltd - West Yorkshire - Leeds
- Bryant Plastic Products Ltd - West Yorkshire - Keighley
- Bryants Magnets and Herbs - West Yorkshire - Keighley
- Bryants of Leeds - West Yorkshire - Leeds
- Bryden Engineering Ltd - West Yorkshire - Leeds
- Bryony Signs - West Yorkshire - Leeds
- BSB Finishings Ltd - West Yorkshire - Wakefield
- BSL Ltd - West Yorkshire - Halifax
- BSL Packaging - West Yorkshire - Huddersfield
- BSMW Products Ltd - West Yorkshire - Brighouse
- BSP Hydraulics Ltd - West Yorkshire - Wakefield
- BT Refrigeration - West Yorkshire - Bradford
- BT Rolatruc Ltd - West Yorkshire - Leeds
- BTAL UK Ltd - West Yorkshire - Bradford
- BTL Publishing - West Yorkshire - Shipley
- Buck & Hickman - West Yorkshire - Leeds
- Buck & Hickman - West Yorkshire - Huddersfield
- Buck Park Quarry - West Yorkshire - Bradford
- Buckley Jewellery Ltd - West Yorkshire - Leeds
- Buckley Manufacturing Ltd - West Yorkshire - Cleckheaton
- Buckleys Brushes - West Yorkshire - Mirfield
- Buco UK - West Yorkshire - Wakefield
- Budget Bed Centre - West Yorkshire - Wakefield
- Budget Greeting Cards Ltd - West Yorkshire - Bradford
- Builders' Supply (Wakefield) Ltd - West Yorkshire - Wakefield
- Bulldog Joinery - West Yorkshire - Leeds
- Bullet Point Presentations Ltd - West Yorkshire - Leeds
- Bulmer and Lumb - West Yorkshire - Bradford
- Bunchmakers Ltd - West Yorkshire - Pudsey
- Bunzl Textile Products Ltd - West Yorkshire - Dewsbury
- Burdew Contract Furniture Ltd - West Yorkshire - Leeds
- Burgess Ltd - West Yorkshire - Leeds
- Burgoyne - West Yorkshire - Ilkley
- Burmatex Ltd - West Yorkshire - Ossett
- Burners - West Yorkshire - Brighouse
- Burns Carlton plc - West Yorkshire - Leeds
- Burns Welding Services - West Yorkshire - Leeds
- Burton Safes - West Yorkshire - Huddersfield
- Business Britain Ltd - West Yorkshire - Leeds
- Business In Change - West Yorkshire - Keighley
- Business In The Community - West Yorkshire - Pudsey
- Business In The Community - West Yorkshire - Hebden Bridge
- Business Intelligence Solutions Ltd - West Yorkshire - Pontefract
- Business Link West Yorkshire - West Yorkshire - Leeds
- Business Management Support Group - West Yorkshire - Hebden Bridge
- Butchers Farmers - West Yorkshire - Bradford
- Butler Installations - West Yorkshire - Leeds
- Butt and Co - West Yorkshire - Keighley
- Butterfield Signs Ltd - West Yorkshire - Bradford
- Butterfield Stephen - West Yorkshire - Wakefield
- Butterfield, David - West Yorkshire - Liversedge
- Butterworth and Pilkington - West Yorkshire - Leeds
- Bva Tools And Plastics Ltd - West Yorkshire - Batley
- By-Products (Keighley) Ltd - West Yorkshire - Keighley
- Bysel Ltd - West Yorkshire - Liversedge
- Bystronic UK Ltd - West Yorkshire - Leeds
- Byworth Boilers (T/u Dennis Baldwin and Sons Ltd) - West Yorkshire - Keighley
- C A Blackwell Ltd - West Yorkshire - Wakefield
- C A Buck - West Yorkshire - Pontefract
- C and G Platforms Ltd - West Yorkshire - Mirfield
- C and G Stanley - West Yorkshire - Leeds
- C and H Textile Menders - West Yorkshire - Huddersfield
- C and I Threading - West Yorkshire - Leeds
- C and J Antich - West Yorkshire - Pontefract
- C and J Antich and Sons Ltd - West Yorkshire - Huddersfield
- C and J Inman and Son - West Yorkshire - Leeds
- C and J Ives - West Yorkshire - Bradford
- C and J Metal Craft Ltd - West Yorkshire - Castleford
- C and K Parker and Son - West Yorkshire - Keighley
- C and M Fabrication and Erection Ltd - West Yorkshire - Wakefield
- C and N Control Systems Ltd - West Yorkshire - Castleford
- C and R Barnett Ltd - West Yorkshire - Bradford
- C and R Moscrop and Sons - West Yorkshire - Leeds
- C and S Farm Supplies - West Yorkshire - Brighouse
- C Ashby - West Yorkshire - Otley
- C B Baxter - West Yorkshire - Leeds
- C B Carrington and Sons Ltd - West Yorkshire - Normanton
- C B Systems (UK) Ltd - West Yorkshire - Castleford
- C C M Construction Ltd - West Yorkshire - Bradford
- C C Motorcycles - West Yorkshire - Dewsbury
- C D G International Ltd - West Yorkshire - Wakefield
- C E Bennett and Sons - West Yorkshire - Liversedge
- C E Smith - West Yorkshire - Otley
- C E Wilkinson - West Yorkshire - Ilkley
- C F Harris Ltd - West Yorkshire - Otley
- C Gisbon - West Yorkshire - Halifax
- C H and W Lee and Son - West Yorkshire - Pontefract
- C I D A - West Yorkshire - Huddersfield
- C Miller - West Yorkshire - Hebden Bridge
- C N Lupton - West Yorkshire - Leeds
- C P Precision Engineering - West Yorkshire - Keighley
- C Perkin Ltd - West Yorkshire - Dewsbury
- C Price - West Yorkshire - Keighley
- C R Hinchliffe - West Yorkshire - Wakefield
- C Rhodes - West Yorkshire - Huddersfield
- C S Lifting - West Yorkshire - Liversedge
- C S Lindley - West Yorkshire - Wakefield
- C Sharp - West Yorkshire - Leeds
- C Smith - West Yorkshire - Keighley
- C Spencer Ltd - West Yorkshire - Leeds
- C W Brook - West Yorkshire - Huddersfield
- C Wilsher and Son - West Yorkshire - Wakefield
- C3S Projects Ltd - West Yorkshire - Elland
- C3S Security System - West Yorkshire - Elland
- CA Barrett and Son Ltd - West Yorkshire - Sowerby Bridge
- CA Borrel - West Yorkshire - Leeds
- Cable and Wireless Communications - West Yorkshire - Leeds
- CAD Fab Ltd - West Yorkshire - Leeds
- Cadamp Ltd - West Yorkshire - Ilkley
- Caddick Construction Ltd - West Yorkshire - Castleford
- Caderdale Engineering Services Ltd - West Yorkshire - Halifax
- Cades Ltd - West Yorkshire - Bradford
- CADRight Ltd - West Yorkshire - Cleckheaton
- Caffe Society - West Yorkshire - Leeds
- Cages Ltd - West Yorkshire - Dewsbury
- Cairn Cross Civil Engineering - West Yorkshire - Otley
- Cairndale Textiles - West Yorkshire - Huddersfield
- Cake Craft - West Yorkshire - Leeds
- Cake Man - West Yorkshire - Bradford
- Cakecraft Celebration Cakes - West Yorkshire - Bradford
- Cakes and Cards - West Yorkshire - Dewsbury
- Cakes By Appointment - West Yorkshire - Leeds
- Cakes By Diana - West Yorkshire - Ilkley
- Cakes For The Occasion - West Yorkshire - Keighley
- Calco Paper Services Ltd - West Yorkshire - Mirfield
- Calder Catering Equipment Services - West Yorkshire - Wakefield
- Calder Clutch Co Ltd - West Yorkshire - Brighouse
- Calder Lifting Services Ltd - West Yorkshire - Halifax
- Calder Metal Spinning Co Ltd - West Yorkshire - Brighouse
- Calder Oils Ltd - West Yorkshire - Dewsbury
- Calder Park Interiors - West Yorkshire - Elland
- Calder Sheet Metal and Fabrications - West Yorkshire - Elland
- Calder Trade Supplies Ltd - West Yorkshire - Leeds
- Calder Vale Dyers Ltd - West Yorkshire - Dewsbury
- Calder Valley Agricultural Services (t/a Calvag) - West Yorkshire - Hebden Bridge
- Calder Valley Blinds - West Yorkshire - Cleckheaton
- Calder Weaving Co Ltd - West Yorkshire - Hebden Bridge
- Calderdale - West Yorkshire - Hebden Bridge
- Calderdale Carpets Ltd - West Yorkshire - Dewsbury
- Calderdale Graphite Ltd - West Yorkshire - Halifax
- Calderdale Housing Energy Team - West Yorkshire - Halifax
- Caldervale Technology Ltd - West Yorkshire - Dewsbury
- Calf Hey Design Ltd - West Yorkshire - Huddersfield
- Calf Hey Rotary Ltd - West Yorkshire - Huddersfield
- Calibre Cleaning Supplies - West Yorkshire - Huddersfield
- Calibre UK Ltd - West Yorkshire - Bradford
- calliope-photographic-solutions Ltd - West Yorkshire - Pontefract
- Calls 247 Co Uk Ltd - West Yorkshire - Leeds
- Calomax Ltd - West Yorkshire - Leeds
- Calrec Audio Ltd - West Yorkshire - Hebden Bridge
- Calverley Control Systems Ltd - West Yorkshire - Leeds
- Cam and Sons Ltd - West Yorkshire - Bradford
- Cam-technique Security Systems - West Yorkshire - Leeds
- Camline Products and Services - West Yorkshire - Shipley
- Camtex Ltd - West Yorkshire - Cleckheaton
- Camwheat Pie Machine Co Ltd - West Yorkshire - Halifax
- Cannon Engineering - West Yorkshire - Leeds
- Cap Ltd - West Yorkshire - Leeds
- Cape Electronics - West Yorkshire - Keighley
- Capex Partnership Ltd - West Yorkshire - Leeds
- Capita Communications - West Yorkshire - Wetherby
- Capita Management Consultancy Ltd - West Yorkshire - Leeds
- Capital Analytical Ltd - West Yorkshire - Leeds
- Capital Financial Solutions Ltd - West Yorkshire - Leeds
- Capital Furniture Ltd - West Yorkshire - Wakefield
- Car Clinic Co Ltd - West Yorkshire - Bradford
- Card Geotechnics Ltd - West Yorkshire - Leeds
- Carden Engineering - West Yorkshire - Leeds
- Cardinal Shopfitting Systems Ltd - West Yorkshire - Shipley
- Cardmaster UK - West Yorkshire - Leeds
- Care Graphic Machinery - West Yorkshire - Pontefract
- Career Soft - West Yorkshire - Halifax
- Carey and Fox - West Yorkshire - Pontefract
- Carl Bros Group - West Yorkshire - Leeds
- Carl Keeting - West Yorkshire - Leeds
- Carleton Clocks of Leeds - West Yorkshire - Leeds
- Carleton Furniture Group Ltd - West Yorkshire - Pontefract
- Carlsberg Tetley Growing Ltd - West Yorkshire - Leeds
- Carlton Cards Ltd - West Yorkshire - Dewsbury
- Carlton Manor Ltd - West Yorkshire - Batley
- Carmine Ices Co Ltd - West Yorkshire - Bradford
- Carnaud Metal Box Engineering plc - West Yorkshire - Shipley
- Carol Lawton - West Yorkshire - Bradford
- Carpets Direct - West Yorkshire - Halifax
- Carpets International UK Ltd - West Yorkshire - Bradford
- Carr Mills Sheet Metal Works - West Yorkshire - Leeds
- Carrbrook Chemicals Ltd - West Yorkshire - Ossett
- Carrilion W S P Ltd - West Yorkshire - Normanton
- Carrington Performance Fabrics - West Yorkshire - Dewsbury
- Carrington Wire - West Yorkshire - Elland
- Carroll Bros - West Yorkshire - Keighley
- Cartasport Leisure Ltd - West Yorkshire - Keighley
- Cartonage Ltd - West Yorkshire - Leeds
- Cartwright - West Yorkshire - Holmfirth
- Cartwright Hardware Ltd - West Yorkshire - Leeds
- Caspian Access and Plant Hire Ltd - West Yorkshire - Huddersfield
- Castle Crushing Ltd - West Yorkshire - Huddersfield
- Castlebrae Drainage Services - West Yorkshire - Leeds
- Castleford Chairworks Ltd - West Yorkshire - Castleford
- Castleford Chrome Platers - West Yorkshire - Castleford
- Castleford Powder Coatings - West Yorkshire - Castleford
- Castor Truck and Ladder Co Ltd - West Yorkshire - Bradford
- Caststone Co - West Yorkshire - Halifax
- CASupplies - West Yorkshire - Huddersfield
- Caterequip - West Yorkshire - Leeds
- Caterers Agency - West Yorkshire - Leeds
- Caterform Stainless Steel Fabrications Ltd - West Yorkshire - Bradford
- Catering Cleaning Services Ltd - West Yorkshire - Batley
- Catering Supplies (Wakefield) Ltd - West Yorkshire - Wakefield
- Caterquick - West Yorkshire - Wakefield
- Caters - West Yorkshire - Leeds
- Cathedral City Furniture Ltd -