Company Index - J
- J & A Young (Leicester) Ltd. - Oakham
- J & B Novak (Metalcraft) Ltd. - Woking
- J & F Tools (Precision Engineers) Ltd. - High Peak
- J & G Engineering (Bromsgrove) Ltd. - Bromsgrove
- J & H Busby Ltd. - Lutterworth
- J & J Conversions Ltd. - Andover
- J & J Evernden Engineering Co. Ltd. - Broadway
- J & J Pneumatics Ltd. - High Wycombe
- J & J Products Ashford Ltd. - Feltham
- J & M Edwards Precision Engineers Ltd. - Great Yarmouth
- J A Michell Engineering Ltd. - Borehamwood
- J D Doors Ltd. - Winsford
- J Dunton Associates Ltd. - Chelmsford
- J E Buckle (Engineers) Ltd. - Stevenage
- J Gordon Williamson Ltd. - Elgin
- J Hickinson & Son Ltd. - Larkhall
- J Marklew Engineering Ltd. - Dudley
- J P Whitter (Waterwell Engineers) Ltd. - Leigh
- J Reeves Engineering Ltd. - Braintree
- J Riley Beet Harvesters (U K ) Ltd. - Norwich
- J Robinson Engineering Ltd. - Fleet
- J S M Engineering Ltd. - Nottingham
- J Scott Engineering Ltd. - Driffield
- J Shewring Ltd. - Norwich
- J Smith Metals Ltd. - Wolverhampton
- J Thomson Colour Printers Ltd. - Glasgow
- J W Whittle Ltd. - Leigh
- J & A Metals - Birmingham
- J & B Hopkins Ltd. - Fareham
- J & B Precision Engineering - Weymouth
- J & B Sewing Machine Co. Ltd. - Newport
- J & D Pallet Services - Belvedere
- J & D Pierce (Contracts) - Beith
- J & E Engineering Services - Walsall
- J & E Hall Ltd - Derby
- J & E Trading Ltd. - Worksop
- J & F Precision Ltd. - Walsall
- J & G Joinery - Pontypool
- J & H Rosenheim Ltd. - Crewe
- J & H Sheet Metalwork - Norwich
- J & I Consulting Ltd. - Coleford
- J & J Buchan Ltd. - Peterhead
- J & J Coil Slitting Ltd. - West Bromwich
- J & J Engineering (Birmingham) Ltd. - Birmingham
- J & J Spinning Co - Birmingham
- J & J Stewart (Blacksmiths) Ltd. - Arbroath
- J & K Bedding Warehouse U K - Hartlepool
- J & L Precision Ltd. - Wokingham
- J & M Belts - Grays
- J & M Cumming - Aberfeldy
- J & M Joinery - Wallasey
- J & M Sheet Metal - Lancaster
- J & P Engineering - Ilkeston
- J & P Engineering (Brecon) Ltd. - Brecon
- J & P Engineering Ltd. - Horley
- J & P Scott Ltd. - Stourbridge
- J & P Supplies Ltd. - Stourbridge
- J & R Precision Engineers(Chiswick)Ltd. - London
- J & S Frames - Dudley
- J & S Handling - Kingswinford
- J & S Metals - Stafford
- J & S Plumbing & Central Heating Contractors - Buckhurst Hill
- J & S Webster - Derby
- J & T Blacksmiths Ltd. - Glasgow
- J & V Pallets - Rainham
- J A Dawes Engineering Ltd. - Benfleet
- J A McDonagh Engineering Ltd. - Derby
- J A C K Pallet Trucks Ltd. - Keighley
- J A F Graphics - Congleton
- J A Peake Joinery - Newcastle
- J A R Fabrication - Eastleigh
- J A W Engineering Ltd. - Huddersfield
- J A Wallace and Associates - Burton on Trent
- J A Woodwork - Cowbridge
- J A Y Engineering (Cradley) Ltd. - Cradley Heath
- J and F Precision - Sunderland
- J and J Engineering (Walsall) Ltd - Walsall
- J and J Tooling Services Ltd - Manchester
- J and K Glass and Glazing Ltd - Kings Lynn
- J and K Sheet Metal Ltd - Whitstable
- J and M Engineering - Redditch
- J and M Machining Services - Scunthorpe
- J and M Profile Services Ltd - Birkenhead
- J and P Lewis (Metals) Ltd. - Oldbury
- J and P Contracts (Angus) Ltd - Dundee
- J and P Home Improvements - Lampeter
- J and S Fasteners and Fixings - Lancaster
- J and S Heating and Plumbing Supplies - Surbiton
- J and S Laser Profiles Ltd - Southampton
- J and S Machinery - Louth
- J and T Tubes Ltd - Poole
- J B Charles Engineering Ltd. - Grantham
- J B Garage Doors (Sussex) Ltd. - Midhurst
- J B Langley Associates Ltd. - Shipley
- J B C Industrial Services Ltd. - Leeds
- J B Corrie & Co. Ltd. - Petersfield
- J B Engineering - Derby
- J B Engineering - St Helens
- J B Fabrication (Wrexham) Ltd. - Wrexham
- J B Garahan Ltd - Castleford
- J B I Technology Ltd. - West Bromwich
- J B Joyce & Co - Whitchurch
- J B K Hydraulic Services - Bradford
- J B L Systems - Birmingham
- J B Laing - Whitley Bay
- J B Metals - Oldbury
- J B S Poyser (Mansfield) Ltd. - Mansfield
- J B Schofield & Sons Ltd. - Huddersfield
- J B Systems Ltd. - Aylesbury
- J B Taylor Construction Ltd. - Skegness
- J Barnsley Cranes Ltd - Brierley Hill
- J Bartholomew - Eye
- J Blackburn & Sons - Barnsley
- J Bloor - Market Rasen
- J Blundell & Sons Ltd. - London
- J Brock & Sons - Dunmow
- J C - Downpatrick
- J C Radford Site Engineering & Land Surveys Ltd. - Southampton
- J C Vents Ltd. - Wickford
- J C Balmforth Ltd. - Heanor
- J C Blinds - Hornsea
- J C Donnelly & Son - Sandhurst
- J C Engineering - Cambridge
- J C Engineering Products - Reading
- J C Fabrications Ltd. - Whitby
- J C Gent Engineering - South Croydon
- J C H Fabrications Ltd. - Bradford
- J C S Tools Ltd. - Tamworth
- J C Services - Plymouth
- J C Tractor Services - Penzance
- J C Y (Steel Supplies) Ltd. - Basildon
- J Cain and Sons - Liverpool
- J Carroll & Sons - Morden
- J Cash (Metals) Ltd. - Salford
- J Cocker - Salford
- J Cooke Engineering Ltd. - Baldock
- J Crowther (Royton) Ltd. - Oldham
- J Cullen Thermals Ltd. - Birmingham
- J D Fowler - Chorley
- J D Neuhaus Ltd. - Coventry
- J D & D W Shaw - Bradford
- J D A Fixings - Melksham
- J D P - Carmarthen
- J D Racing - Saltash
- J D W Engineering Ltd. - Dukinfield
- J D Wyatt Contract Polishing - Thetford
- J Day Group Ltd. - London
- J Denham - Shildon
- J Downton - Stourbridge
- J E Cockayne Ltd. - Glasgow
- J E Foster & Son Ltd. - Carlisle
- J E Machining Services Ltd. - Walsall
- J E Toon - Coalville
- J E A Engineering & Components - Glenrothes
- J E B Welding - Sandwich
- J E Dale & Son Ltd. - Grimsby
- J E Engineering Ltd. - Coventry
- J E Gordon Ltd. - Manchester
- J E Marsland Ltd. - High Peak
- J E Matthews & Sons Ltd. - Northampton
- J E Pursglove - Matlock
- J Et Japan Eurotex Ltd. - London
- J F Windows Ltd. - Bradford
- J F C Precision Engineering Ltd. - Hengoed
- J F K Business Services Ltd. - London
- J Foster and Sons - Driffield
- J Fox Sheet Metal - Leicester
- J G Hale Construction Ltd. - Neath
- J G Turnbull Ltd. - East Boldon
- J Goold Engineering - Bath
- J H Giles - London
- J H Kenward - Longfield
- J H P Engineering Services - Southampton
- J Harrison - Wigan
- J Helm - Leeds
- J Higgs Ltd - Nottingham
- J Hirst and Sons - Whitchurch
- J I S (Europe) Ltd. - Haywards Heath
- J Inglis Engineering Sales - Glasgow
- J J Stainless Ltd. - Cleckheaton
- J J Blackburn & Co - Cwmbran
- J J Cables - Warwick
- J J Castings Investments(Heat Treatment)Ltd. - Caerphilly
- J J Churchill Ltd. - Nuneaton
- J J Morris Maintenance Ltd. - Cardiff
- J J Syrup - Birmingham
- J James Ltd - Didcot
- J Johnstone (Engineering) Ltd - Silloth
- J Jones - Fleet
- J Judge & Sons - Ilford
- J K M Associates - Cambridge
- J K P Tins - Mansfield
- J K S - Boyles Ltd. - Alfreton
- J L Fallon - Wolverhampton
- J L A Joinery - Chichester
- J L C Engineers Suppliers Ltd. - Manchester
- J L Engineering (Rixton) Ltd - Warrington
- J L H (Engineering) Ltd. - Stourbridge
- J L Holmes & Sons - Preston
- J L Steel Services Ltd. - Stirling
- J L Trewella - Nottingham
- J Lawrence - Walsall
- J M Fabweld Ltd. - Port Talbot
- J M Grail (General Engineers) Ltd. - Cinderford
- J M Precision Engineering Ltd. - Ilkeston
- J M C (Washer & Gaskets) - Kidderminster
- J M F Ltd. - Ballymoney
- J M G Engineering Ltd. - Leicester
- J M G Engineering - Sutton Coldfield
- J M Heaford Ltd - Altrincham
- J M Hunt and Co (Normanton) Ltd - Normanton
- J M R Fabrications - Manchester
- J M S Building Services Ltd. - Fleet
- J M S Engineering - Coleraine
- J M Salvage - Louth
- J M Signs - Craigavon
- J Marr Ltd - Pontefract
- J Marston Engineers - Pudsey
- J Mortimer Fabrications Ltd. - Carnforth
- J N Fettling Ltd. - Bilston
- J N J Fabrications Ltd. - Manchester
- J N L Fabrications Ltd. - Cleckheaton
- J O Engineering Ltd. - Monmouth
- J O'Doherty Haulage Ltd. - London
- J P Aero-Com Engineering Co. Ltd. - Buckhurst Hill
- J P Metal Treatments Ltd. - Walsall
- J P Autos - Penryn
- J P Bolts - Halesowen
- J P Design & Manufacturing Ltd. - Wimborne
- J P Designs - Gillingham
- J P Fabrications & Design - Glasgow
- J P G Site Services Ltd. - Newtown
- J P Kenny Caledonia - Aberdeen
- J P Kenny Ltd. - Staines
- J P L Steel Stock Ltd. - Leicester
- J P M Electrics - Colchester
- J P R Engineering - Ormskirk
- J P S Partnership Ltd. - Lytham St Annes
- J P S Engineering Co. - Solihull
- J P Signs - Stockport
- J Parrish and Son - Shefford
- J Pedley Associates Ltd. - Stalybridge
- J Pesci & Sons Ltd. - Caerphilly
- J Pratley and Sons Ltd - Reading
- J R Tyson (Powder Coating) Ltd. - Rayleigh
- J R Waud (Materials Technology) Ltd. - Aberdeen
- J R Webster & Co. Ltd. - Birkenhead
- J R Webster & Co. Ltd. - Deeside
- J R Webster & Co. Ltd. - Widnes
- J R and D Sillis - Poulton le Fylde
- J R C Engineering - Maidenhead
- J R C Mechanical Services Ltd. - Ilminster
- J R D Pressings Ltd. - Cinderford
- J R Gilks - Southsea
- J R Griffin & Sons(Bulkington) Ltd. - Devizes
- J R Hugill - Hull
- J R J Engineering Co. Ltd. - Llanelli
- J R Joinery Works - Carrickfergus
- J R Leisure World - Leicester
- J R Owen & Son - Chester
- J R Pine - Lincoln
- J R Selby (Engineering) Ltd. - South Shields
- J R Thomas & Son - Llanelli
- J Reeves Sewing Ltd. - Ilkeston
- J Roberts Bronze Components Ltd - Cleckheaton
- J S Humidifiers Plc - Littlehampton
- J S Bamforth & Co. Ltd. - Huddersfield
- J S Boiler Service - Stowmarket
- J S C Engineering Ltd. - Dungannon
- J S D Engineering - Colne
- J S G Engineering - Emsworth
- J S Gregory - Orpington
- J S K Aluminium Products Ltd - Burton on Trent
- J S Liftrucks - Bolton
- J S M Engineering Services - Deeside
- J S Marson - Brierley Hill
- J S Perforated Metals Ltd. - Warrington
- J S R Precision Engineers Ltd - Sheffield
- J S Rowley - Pontypridd
- J S Steel Services Ltd - St Leonards on Sea
- J S T Fabrications - Bury
- J S Tool & Gauge Co. Ltd. - Willenhall
- J S V Stainless Steel Fabrications Ltd. - Swansea
- J Sanders and Son - Tavistock
- J Sparrowhawk - Mitcham
- J Spratt and Co - Newtownards
- J Squires(Engineers) Ltd. - Newark
- J T & E Castings Ltd. - Wigan
- J T Engineering - Dundee
- J T F Sales & Services - Norwich
- J T Friskney Ltd. - Horncastle
- J T Grout Ltd - Braintree
- J T Lanscapes Environmental Ltd. - Blackwood
- J T M Services - Haslemere
- J T P (Non-Ferrous Stockholders) Ltd - Stoke on Trent
- J T Pearce & Co - Redditch
- J T Pegg & Sons Ltd. - Aldeburgh
- J T Pickfords Home Care - Rotherham
- J Thomas & Co - Leicester
- J V A - Shildon
- J V D Engineering Ltd. - Leeds
- J V Heating Scotland - Glasgow
- J W Walker & Sons Ltd. - Brandon
- J W Baker & Sons (Bradford) Ltd. - Bradford
- J W Bartholomew & Sons Ltd. - Sheffield
- J W Blinds - Cinderford
- J W Craddock - Birmingham
- J W Doye (Insulation) Ltd - Romford
- J W Engineering Co - Liverpool
- J W Engineering Ltd. - Ilkeston
- J W Hill Precision Engineering Ltd. - Worcester
- J W Hydraulics - Bilston
- J W Lane(Agricultural Engineers) Ltd. - Worcester
- J W Precision & General Engineering Ltd. - Pontypridd
- J W Rudge & Co. Ltd. - Smethwick
- J W Singer & Sons Ltd - Frome
- J W Tooling Ltd. - Southampton
- J W Tout - Portsmouth
- J W Withey Light Engineering - High Wycombe
- J Webster (Joinery Ltd) - York
- J Wedlake & Son - Lancaster
- J Youle & Co. Ltd. - Rotherham

J+J Automation UK Ltd - Pershore- J. B. Furnace Engineering Ltd - Sutton Coldfield
- J. F. Machines Ltd - Kettering
- J.B. Russell Engineers Ltd - Chelmsford
- J.B.S. Process Engineering Ltd - Peterborough
- J.E.B. Engineering Design Ltd - Bury St Edmunds
- J.E.B. Precision Ltd - Northwich
- J.H.Richards & Co.Ltd - Birmingham
- J.J. Engineering (Birmingham) Ltd - Birmingham
- J.M.J. Holdings Ltd - Stevenage
- J.P.H Ironwork - Wallington
- J.R. Gilbert Engineering Ltd - Caerphilly
- J.R. Whitehead 2000 Ltd - Bolton
- J2K Engineering Ltd - Stoke on Trent
- JA Chapman - Horley
- JA Derry and Associates - Oakham
- JA Envirotanks - Birmingham
- Jab Print Finishing Equipment - Liverpool
- Jable Ltd - Accrington
- Jacamast Services Ltd. - Huddersfield
- Jace Joinery - Grimsby
- Jack Horseman Motorcycles Ltd. - Carlisle
- Jack Pennington Ltd. - Shipley
- Jack Prop Services (Southern) Ltd. - Chesham
- Jack Sharkey & Co. Ltd. - Smethwick
- Jackdaw Dinstock - Telford
- Jackdaw Tools Ltd. - Willenhall
- Jackmark Engineering Ltd - Stoke on Trent
- Jackson Alan - Swansea
- Jackson Coulson Partnership - Leeds
- Jackson Engineering Associates Ltd - Godalming
- Jackson Forklift Ltd - Bilston
- Jackson John Alan - Knutsford
- Jackson Lift Services Ltd - Lichfield
- Jackson Plating - Hounslow
- Jackson Production Services Ltd - Pudsey
- Jackson Steel Structures Ltd. - Dundee
- Jacksons Fencing - Ashford
- Jacksons Motor Engineers - Ripon
- Jacob (Packaging) White Ltd. - Dartford
- Jacob (UK) Ltd - Church Stretton
- Jacob-Brown Woodworking - Witney
- Jacobs - Sale
- Jacobs - Ipswich
- Jacobs & Sons - Cheltenham
- Jacobs Babtie - Belfast
- Jacobs Babtie - Birmingham
- Jacobs Babtie - Cheadle (Cheshire)
- Jacobs Babtie - Exeter
- Jacobs Babtie - Moor Row
- Jacobs Babtie - Newcastle upon Tyne
- Jacobs Babtie - York
- Jacobs Industrial Services U K Ltd. - Grimsby
- Jacobs Les Ltd. - Grimsby
- Jacobsgibb Ltd - Reading
- Jacques Products Ltd. - Manchester
- Jacquet (U K) Ltd. - Barnsley
- Jacquet Weston Engineering Ltd. - Hungerford
- Jactone Products Ltd. - Bilston
- Jade Conservatories - Castleford
- Jade Engineering (Coventry) Ltd. - Coventry
- Jade Non-Ferrous Metals Ltd. - Kidderminster
- Jadean Pine - Lincoln
- Jaeggi Hybridtechnology Ltd - Rugby
- Jaguar Cars Ltd. - Birmingham
- Jaguar Signs Ltd - Rotherham
- Jaiger Process Engineering - Stowmarket
- Jaivel Europe Ltd - Mansfield
- James Forsyth - Lanark
- James A Bibby - Liverpool
- James Aiken (Sheet Metal) Ltd. - Aberdeen
- James Barrack - Bonnybridge
- James Bedford and Co Ltd - Batley
- James Brown Industries Ltd - Cwmbran
- James C Gillespie Ltd. - Kirkcaldy
- James Camden Engineering Ltd. - Warwick
- James Carr Engineering Services Ltd. - Sheffield
- James Clark & Co - Stafford
- James Connor Heating - Sunbury on Thames
- James Crowther Fabrics Ltd. - Huddersfield
- James D J Luke Ltd. - Nottingham
- James Duncan McGinn - Penrith
- James Durrans & Sons Ltd - Sheffield
- James Engineering Constructions (Alfreton) Ltd - Alfreton
- James Evans and Sons Ltd - Dingwall
- James Fisher Nuclear Ltd. - Preston
- James Geoffrey L - Cranbrook
- James Gibbons Format Ltd - Birmingham
- James Gilbert and Son - London
- James Green Farm Machinery - Studley
- James Hartley (Scrap Metal) Ltd. - Heywood
- James Hoyle & Son - London
- James Hunt (Maidstone) Ltd. - Maidstone
- James Hutton (Pressings) Ltd - Birmingham
- James Industrial Crane Supply/Spares - Ipswich
- James Killelea & Co. Ltd. - Rossendale
- James Leckey Design Ltd. - Belfast
- James Lockyer Associates - Liskeard
- James Lord - Rochdale
- James M Bollands - Whitby
- James Mackintosh and Son (Metalworkers) Ltd - Edinburgh
- James Mackle (U K ) Ltd. - Wisbech
- James Matthews - Downpatrick
- James McGowan Engineering Ltd. - Glasgow
- James Meddicks - Perth
- James Oliver Conservatories Ltd. - Lincoln
- James Paget & Co Ltd - West Bromwich
- James Pearson - Kirkcaldy
- James Price Blacksmith and Designer - Lewes
- James Proctor Ltd. - Burnley
- James Pryce - Tiverton
- James Purdey & Sons Ltd. - London
- James Rollason - Telford
- James Smellie Ltd - Halesowen
- James Spencer Estates & Co. Ltd. - Bradford
- James T Walker - Cumnock
- James Thomas Engineering Ltd. - Worcester
- James Turner Engineering - Hillsborough
- James W Shenton Ltd. - Tipton
- James Walker and Co Ltd - Crewe
- James Walker Moorflex Ltd. - Bingley
- James Walker Townson Ltd - Stockport
- James White & Sons (Engineering) Co. Ltd. - Reading
- James Wood Ltd. - Oldbury
- James Young Engineering Ltd - Glasgow
- Jamestan Engineering Ltd - Bideford
- Jamestown Metals Ltd - Barnsley
- Jamieson-Macgregor Ltd. - Alloa
- Jamison & Green Ltd. - Belfast
- Jan Engineering Ltd. - Stalybridge
- Jancy International - Rossendale
- Janda Products - Alton
- Jandi - West Calder
- Jane Wilkinson - Crediton
- Janner Furniture - Tavistock
- Janus Nuclear Ltd. - Swindon
- JAR Engineering Sheetmetal and Fabrication - Southampton
- Jardine Engineering - Aughnacloy
- Jardine's Joinery Wirral Ltd. - Ellesmere Port
- Jardonich Engineering Ltd. - Bradford
- Jarratec Ltd. - Letchworth
- Jarrobs Ltd - Stoke on Trent
- Jarvis Engineering Ltd - High Wycombe
- Jarvis Rail - Doncaster
- Jarvisward Ltd. - Stroud
- Jason Evans & Robert Relf - Margate
- Jason Metals - London
- Jason's Steel Fabrication - Tamworth
- JASP Design Solutions Ltd - Milton Keynes
- Jasper Gilbert Ltd. - Cradley Heath
- Jasun Envirocare Plc - Bridgwater
- Javelin Controls and Distribution - Basingstoke
- Jax Motorcycles - York
- Jay Parker Electrical - Haywards Heath
- Jaybarn Ltd. - London
- Jaybee Engineering Co (Brighton) Ltd - Newhaven
- Jaycee Engineering - Corby
- Jaycee Packaging Ltd. - Leicester
- Jaycee Refrigeration - Shrewsbury
- Jaydee Heating Ltd. - Dundee
- Jaydee Manufacturing Ltd - Nottingham
- Jayess Tools - Horsham
- Jayhern Engineering Ltd. - Redhill
- Jaykay & Co. - Telford
- Jaylew (Engineering) Ltd. - Grantham
- Jaymar Engineering - Reading
- Jaymark Precision Engineers - Barnoldswick
- Jaymech Food Machines - Sittingbourne
- Jays Gates - Camborne
- Jayteecee Ltd. - Brackley
- Jb Fabrications Ltd. - Manchester
- JB Iron Work - Blackburn
- JB Marine Design Consultancy - Plymouth
- JB Metalworks - Maidstone
- JB Packaging - Brixham
- Jbd Tritec Ltd. - Glasgow
- Jcb Transmissions - Wrexham
- JCM Engineering Services - Worksop
- JCM Joinery and Builders - Isle of Arran
- JCM Locksmiths Ltd - Kingston upon Thames
- JCS Hi-Torque Ltd - Sudbury
- JD Engineering (Hereford) Ltd. - Hereford
- JD Engineering (Swindon) Ltd - Swindon
- JD Mills Engineering - Ashford
- JD Printing Services Ltd - Silloth
- JDP - Chester le Street
- JDP - Inverness
- Jdr Cable Systems Ltd. - Ely
- JDR Products Ltd - Redditch
- Jeans, ND, Engineering - Templecombe
- Jeaton Ltd - Preston
- Jebb Metals (Newcastle) Ltd - Newcastle upon Tyne
- Jectabore Ltd - Chesterfield
- Jeebra Metalwork - Evesham
- Jeff Ogden Plumbing & Heating - Stockport
- Jefferies - Bristol
- Jeffers A J & H Partners - Ormskirk
- Jefferson Engineering Services Ltd. - Ashford
- Jeffrey Bailey - Paignton
- Jeffrey White - Wisbech
- Jem International Ltd. - Ely
- Jem Sheet Metal & Eng Ltd. - Stockport
- Jemm Engineering - Fleet
- Jemma Tools Group - Waterlooville
- Jemtech (U K) Ltd. - Uckfield
- Jena Rotary Technology Ltd - Nottingham
- Jencare Scootermarket - Ipswich
- Jendon Fabrications - Littlehampton
- Jenkins & Lancefield - Thirsk
- Jenkins Engineering Services - Maidenhead
- Jenkins Shipping - Newry
- Jenkins Stone Co. Ltd. - Newton Abbot
- Jenkinson Electrical Engineering - Doncaster
- Jenkinson Steel Ltd. - Salford
- Jenkinsons Huddersfield Towbar Centre - Huddersfield
- Jenks and Cattell Engineering Ltd - Wolverhampton
- Jenks Associates Ltd. - Peterborough
- Jenner Group Ltd - Folkestone
- Jennings C V S Ltd. - Crewe
- Jennings F B & Sons - Taunton
- Jennings Winch & Foundry Co. Ltd. - Sunderland
- Jensen U K Ltd. - Banbury
- Jenson Engineering Ltd. - Hitchin
- Jenstar Ltd. - Bridgend
- Jenway Ltd - Dunmow
- Jenx Ltd. - Sheffield
- Jepsons N & J Number Plates - Glasgow
- Jeradi UK Ltd - Bristol
- Jeremy Benn Associates Ltd. - Skipton
- Jermaine Designs - Newark
- Jerry Cook - Loughborough
- Jerry Harvey - Penzance
- Jersey Demolition Contractors - Jersey
- Jersey Steel Ltd. - Jersey
- Jervis B Webb Company Ltd - Bletchley
- Jespro (2000) Ltd. - Bradford
- Jeston Properties Ltd. - Rotherham
- Jet Press Ltd - Sutton in Ashfield
- Jetchem Systems Ltd. - Bury
- Jetpacks Ltd - Stockport
- Jetwin Precision Engineering Ltd. - Maidenhead
- Jewelbatch Ltd. - London
- Jewellery Trade Workshops - Norwich
- Jewers Doors Ltd. - Biggleswade
- Jex Engineering Co. Ltd. - Grimsby
- JFC Engineering - Manchester
- JG Engineers Ltd - Enfield
- JG Paxton and Sons Ltd - Durham
- JGB Steelcraft (UK) Ltd - Johnstone
- Jgc Engineering & Technical Services Ltd. - Halkirk
- JGW Coatings Ltd - Rotherham
- JH Hetherington and Co Ltd - Birmingham
- JH Kemp Ltd - Birmingham
- JH Lavender and Co Ltd - West Bromwich
- Jhaidev Engineering Ltd. - Birmingham
- JHH Engineering - Kilmarnock
- Jig Boring Services (Withnell) Ltd. - Blackburn
- Jighand Ltd. - London
- Jill Birch - Pontefract
- Jillian Upton - Normanton
- Jim Bennett Stainless Ltd. - Wigan
- Jim Coulson Gas Services Ltd. - Thetford
- Jim Day C N C - Sudbury
- Jim Sharp - North Berwick
- Jim Williamson - Thirsk
- Jixanto Ltd. - Aberdeen
- JJ Engineering - Welwyn Garden City
- JJ Engineers Supplies Ltd - Banbury
- Jjd Barking Ltd. - Barking
- JK Engineering - Kings Langley
- JK Halpern - Manchester
- JK Site Services - Goole
- JKF Precision - Gainsborough
- JKJ Manufacturing Ltd - Hull
- JKL Industrial Services Ltd - Walsall
- JKP Extrusions - Willenhall
- JL Electrical - Winchester
- JL Float Ltd - Walsall
- JLL Leach and Co Ltd - Shrewsbury
- Jls Designs Ltd. - Somerton
- JM Bearings Ltd - St Neots
- JM Coles Ltd - Weston super Mare
- JM Controls Ltd - Newark
- JMC Engineering - Heanor
- JMC Recycling Systems Ltd - Nottingham
- JMD Engineering and Profiles Ltd - Blaydon on Tyne
- JML Engineering Ltd - Southam
- JMR Section Benders - Dagenham
- Jmx Racing - Eastleigh
- Jobson Sewing Machines Ltd. - Leicester
- Joe Price Supplies - Ludlow
- John Campbell - Thurso
- John Thistlethwaite - Leyburn
- John A Duff - Stevenage
- John A Sparks and Co Ltd - Mitcham
- John Anderson Hire Ltd - St Albans
- John Andrews Engineering - Mexborough
- John Anthony Signs (Holdings) Ltd. - Rayleigh
- John Barber Consulting Engineer - Stanmore
- John Binns & Son(Springs) Ltd. - Skipton
- John Blonkham Joiners - Windermere
- John Booth Engineering Ltd. - Arundel
- John Boulby - Keighley
- John Bradley (Engineering) Ltd. - Heywood
- John Bradley and Son (Springs) Ltd - Heywood
- John Bradley Ltd - Macclesfield
- John Bradshaw Ltd. - Peterborough
- John Brook - Wakefield
- John Buckley(Dudley)Ltd. - Dudley
- John Burrows - Thetford
- John C Bunyan & Partners - Wellingborough
- John Cardwell Ltd - Flexion Division - Stockport
- John Carter (Salt Lane) Ltd. - Salisbury
- John Cheeseman Joinery - Nottingham
- John Chorley & Co. Ltd. - Warrington
- John Colin Stubbings - Colchester
- John Conlan - Burnley
- John Cook Signs - Carlisle
- John Corby - Chelmsford
- John Cornthwaite (Farm Machinery) Ltd. - Preston
- John Count - Doncaster
- John Cox Associates - London
- John Crane Uk Ltd. - Slough
- John Crossley - Preston
- John Cutler Marine Engineering - Emsworth
- John D Campbell - Dorking
- John D Hotchkiss Ltd - Sevenoaks
- John Dallimore and Partners - Walton on Thames
- John Davey Boiler Specialist - Wellington
- John Davey Ltd - Middlesbrough
- John Davidson (Pipes) - Broxburn
- John Davidson (Pipes) - Manchester
- John Davidson (Pipes) - Northampton
- John Davidson (Pipes) Ltd - Launceston
- John Davidson (Pipes) Ltd - Smethwick
- John Davidson (Pipes) Ltd. - Carlisle
- John Day Engineering - Newbury
- John Desmond Ltd. - London
- John Dodds Ltd. - Gateshead
- John Dore & Co. Ltd. - Guildford
- John Douglas - Newton Stewart
- John Douse - Banbury
- John Dron Ltd. - Milton Keynes
- John Duncan Construction Services - Buckie
- John E Foster & Partners - Morden
- John Edwards and Co - Princes Risborough
- John Egan - Aberystwyth
- John Eley - Peterborough
- John F White Ltd. - Nuneaton
- John Fairclough Engineering Services Ltd. - Sturminster Newton
- John Findlater & Son - Westhill
- John Forrest Engineering Ltd. - Inverurie
- John Fredericks Plastics Ltd. - Huddersfield
- John George & Sons Ltd. - Reading
- John Gibson Projects Ltd. - Middlesbrough
- John Gilmour and Co. (Metal Workers) Ltd. - Prestwick
- John Godrich - Ludlow
- John Grimes Partnership Ltd - Ivybridge
- John Groves Ticket Systems - Saltcoats
- John Guest Ltd. - West Drayton
- John H Rundle Ltd. - Boston
- John H Hill & Son - St Albans
- John Hall Engineering Ltd. - Bridlington
- John Handley (Bearings) Ltd. - Wolverhampton
- John Hanlon & Co. Ltd. - Shefford
- John Hickman (Heating) Ltd. - Poole
- John Hill & Son (Walsall) Ltd. - Walsall
- John Hodson - Glasgow
- John Howard - Stoke on Trent
- John Howard & Co. - Belfast
- John Howard and Sons (Walkden) Ltd - Manchester
- John Huddleston Engineering Gb Ltd. - Newtownards
- John Huntley Holdings Ltd. - Petersfield
- John Hyde Engineering Ltd - Stoke on Trent
- John J Doyle Ltd. - Belfast
- John Jeffries - Rainham
- John Jenkins and Son - Falkirk
- John Joyce & Sons - Gateshead
- John Kearton - Leyburn
- John Killen - Downpatrick
- John King Chains Ltd. - Leeds
- John Lawrie (Aberdeen) Ltd. - Aberdeen
- John Leach & Sons - Rossendale
- John Lilly - Grantham
- John Locke - Market Harborough
- John Lyons - Airdrie
- John M Henderson & Co. (Holdings) Ltd. - Arbroath
- John Maclennan (Textiles & Insulating Materials) Ltd. - Ilford
- John Mason - London
John Mayes Engineers - Thetford- John McGinnity - Leeds
- John Mcknight and Son - Stranraer
- John McLeod - Alford
- John Melville Partnership Ltd. - Bromley
- John Millar U K - London
- John Miller & Son - Ulverston
- John Mills and Sons (Newcastle) Ltd - Newcastle upon Tyne
- John Morfield Ltd - Stockton on Tees
- John Morgan & Co. - Ulverston
- John Morgan and Son - Llandysul
- John Munroe (Acrylic) Ltd. - London
- John Naysmith Ltd. - Banbury
- John Nicol Fabrications - South Shields
- John P Taylor - York
- John Packer Associates Ltd. - Uckfield
- John Parker & Son - Andover
- John Parker & Son Ltd. - Canterbury
- John Pavitt Engineers Ltd - Bideford
- John Peacock Precision Engineering - Reading
- John Penfold and Daughter - Dorchester
- John Pich - Doncaster
- John Pickard (Hardware) Ltd. - Keighley
- John Planck Ltd. - Rochester
- John Platt - Bolton
- John Pollington - Stockport
- John Pollock Designs for Disabled Ltd. - Carrickfergus
- John Pryke & Partners Ltd. - Waltham Abbey
- John Pye & Sons Ltd. - Nottingham
- John R Powell - Bicester
- John Redden Ltd. - Wellingborough
- John Reid and Sons (Strucsteel) Ltd - Christchurch
- John Rhodes & Son (Ironfounders) Ltd. - Castleford
- John Rigg - Bury
- John Robson (Metals) Ltd - Preston
- John Ryan Partnership Ltd - Pudsey
- John S Adam - Bonnybridge
- John S Feather Ltd - Keighley
- John S Shackleton (Sheffield) Ltd - Sheffield
- John Shaw Engineering Ltd. - Fleetwood
- John Sherratt & Son Ltd. - Manchester
- John Southern Taylor - Wantage
- John Stokes (Hard Chrome Plating & Grinding) Ltd. - Tipton
- John Strand Mk Ltd. - Harrow
- John Street Platers Ltd. - Sheffield
- John Stronach - Dunfermline
- John T Bailey (Engineering) Ltd. - Mayfield
- John Tainton Ltd. - Kidderminster
- John Tatam - Colchester
- John Taylor & Co. Bellfounders Holdings Ltd. - Loughborough
- John Taylor Fasteners Ltd - Barnstaple
- John Thomas (Joinery) - Cwmbran
- John Thorburn & Sons - Duns
- John Tracey Welding Ltd. - Glasgow
- John W Mason - Liverpool
- John W Hughes - Malpas
- John W Joyce Engineering Ltd. - Grimsby
- John W Laycock Ltd. - Keighley
- John Wainwright Systems Ltd. - Bath
- John Walker Engineering Co. Ltd. - Middlesbrough
- John Walsh & Co. (Engineers)Ltd. - Harrow
- John Watson - Wingate
- John White and Son (Weighing Machines) Ltd - Cupar
- John Wigfull and Co Ltd - Leicester
- John Wilde & Co. (Metals) Ltd. - Birmingham
- John Wilson & Sons Engineering - Wisbech
- Johnathan Hart Associates Ltd. - Godalming
- Johnson Starley Ltd - Northampton
- Johnson Bailey & Hayes - Manchester
- Johnson Brothers (Belfast) Ltd. - Lisburn
- Johnson Controls Automotive (Uk) Ltd. - Telford
- Johnson Controls Automotive Uk Ltd - Redditch
- Johnson Elevanja Ltd. - Bridgwater
- Johnson K J - Peterborough
- Johnson M A - Chesham
- Johnson Machine & Tool Co. Ltd. - Wednesbury
- Johnson Matthey Metal Joining - Royston
- Johnson Porter Industrial Services Ltd. - Stourbridge
- Johnson Sewing Machines - Barnet
- Johnson-Diversey Uk Ltd - Northampton
- Johnsons Controls Automotive UK Ltd - Burton on Trent
- Johnsons Ironworks - Kings Lynn
- Johnsons Sheetmetal Works Ltd. - Hull
- Johnston & Bulman Ltd - Carlisle
- Johnston Bros - Omagh
- Johnston Engineering Ltd - Aldershot
- Johnston Lightning Filler Co. Ltd. - Prescot
- Johnston Mechanical Services - Bonnybridge
- Johnstone and Clark - Dumfries
- Joinery (Stafford) Ltd. - Stafford
- Joinery Ancient and Modern - Newcastle
- Joinery Craft Ltd - Cheltenham
- Joinery Direct - Rochdale
- Joinery Shop - Cowes
- Joinery Shop - Grimsby
- Joinery Shop Ltd - Halstead
- Jolibar Metal Works Ltd. - Aberdeen
- Joloda International Ltd. - Liverpool
- Jomac Engineering Ltd. - Lincoln
- Jomar Precision Engineering - Paisley
- Jonathan Potts Ltd. - Grimsby
- Jonathan Servante - London
- Jones & Baker - Coalville
- Jones & Wilkinson Ltd. - Willenhall
- Jones and Shipman Precision Ltd - Leicester
- Jones Brian S - Loughborough
- Jones Drilling Services Ltd - Stoke on Trent
- Jones Engineering - Doncaster
- Jones King Partnership Ltd. - Bristol
- Jones Kingswell Partnership Ltd - Otley
- Jones Signs - Potters Bar
- Jones Springs (Engineering) Ltd. - Wednesbury
- Jones Steel Ltd. - Huddersfield
- Jones Tool Co Ltd, The - Huddersfield
- Jones Transmissions - Wolverhampton
- Jonesco (Preston) Ltd. - Preston
- Jonic Engineering Ltd - Birmingham
- Jonray Engineering Co. Ltd. - Nottingham
- Jontor Engineering Ltd. - Carshalton
- Jordan Engineering - Hull
- Jordans (Newhaven) Ltd - Newhaven
- Joseph A Martin - Newry
- Joseph Ash - Hereford
- Joseph Ash Galvanizing - Telford
- Joseph Ash London - London
- Joseph Ash Ltd. - Walsall
- Joseph James Furniture Ltd. - Leeds
- Joseph Merritt Group Plc - Nottingham
- Joseph Percival & Co. - Stockport
- Joseph William Doody - Blackburn
- Josery Textiles Ltd. - Nottingham
- Joshua Greaves & Sons Ltd. - Bury
- Joss Engineering Ltd - Barrow in Furness
- Jowitt Bros Ltd. - Barnsley
- Joyce & Co. (Printing Materials) Ltd. - St Neots
- Joyce & Reddington Holdings Ltd. - Cannock
- Joyda Racing Leathers - Wigan
- JP Chick and Partners - Witham
- JP Chick and Partners Ltd - Norwich
- Jpc Services (Glossop) Ltd. - Glossop
- Jpen - Ilkeston
- JPG Industrial Engineering Services Ltd - Saltburn by the Sea
- Jpm International - Cardiff
- JPM International Ltd - Solihull
- JR Engineering - Rickmansworth
- Jr Fabrications - Chichester
- JR Industries Ltd - Caerphilly
- JR Trolleys Ltd - Cranfield
- JRA Aerospace Ltd - Marlow
- JRB Engineering Ltd - Kings Lynn
- JRD Bipel Ltd - Walsall
- JRK and Partners - March
- Jrm Pallet Solutions - Craigavon
- JRW Labels / JRW Group - Cheadle (Cheshire)
- JS Joinery - Lossiemouth
- JS Precision Engineering - Ashford
- Jsa Precision Engineering Ltd. - Liverpool
- JSB Metals Ltd - Blaydon on Tyne
- Jsh Energy Solutions Ltd. - Ipswich
- Jsj Gas Ltd. - Bournemouth
- JSJ Precision - Stoke on Trent
- JSJ Solutions Ltd - Chard
- JSK Systems Ltd - Tipton
- Jslbearbreak Ltd. - Dudley
- JT Salt Engineering - Stoke on Trent
- Jubb & Partners - Bristol
- Jubb Consulting Engineers Ltd. - Plymouth
- Jubilee - Gillingham
- Jubilee Automotive Group Ltd. - Wednesbury
- Jubilee Engineering Co - Cheltenham
- Jubilee Sheet Metal Works Ltd. - London
- Jude Engineering - Corby
- Judson Manufacturing Co - Lytham St Annes
- Julian Designs Ltd. - Hinckley
- Julian M Brazier - Shifnal
- Julian Youngs - Southampton
- Julie Holt - Chatham
- Julspine Ltd - Lincoln
- Jumo Instrument Co. Ltd - Harlow
- Jump For Joy - Worcester
- Jun Air (UK) Ltd - Bromsgrove
- Junair Spraybooths Ltd. - Heywood
- Juraise (Springs) Ltd. - Bromsgrove
- Just Bikes - Plymouth
- Just Precision Sheetmetal - Reading
- Just Time Systems - Sandy
- Just Windows - Leicester
- Justin Bayliss Ltd - London
- JV Hydraulics Ltd - Stroud
- JV Murcott and Sons Ltd - Tamworth
- JW Automarine Ltd (Scholle Europe Ltd) - Fakenham
- JW Beddows and Son - Birmingham
- JW Engineering - Redruth
- Jw Froehlich Uk Ltd. - Basildon
- JW Stamp and Son - Barton upon Humber
- Jwl Maintenance - Portland
- JWT Distribution - Scunthorpe
