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Company Index - A
- A E Petsche Co. Inc - Reading
- A Tarr Ltd. - Lewes
- A Williams Engineering Services Ltd. - Skelmersdale
- A & A Batteries - Pontypool
- A & D Instruments Ltd. - Abingdon
- A & J Gummers Ltd. - Birmingham
- A & K Cash Registers - Caerphilly
- A & S Auto Spares - Preston
- A & T Enclosures Ltd. - Dudley
- A A Electrical Wholesalers Ltd - Sheffield
- A and C Audio Visual - Carluke
- A and P Chambers Ltd - Inverness
- A and R Electronic Developments Ltd - Rugeley
- A B Electrical Wholesalers Ltd. - York
- A B M Ltd. - Widnes
- A B S Cases - London
- A Breeze Ltd - Durham
- A C / D C Automated Systems Ltd. - Swansea
- A C C Systems Ltd. - Coalville
- A C Partridge Ltd. - Benfleet
- A C T Communications Ltd. - Aylesford
- A D A Computer Systems Ltd. - Burgess Hill
- A D Computers - Middlesbrough
- A E V Ltd. - Birkenhead
- A J Electronics Ltd. - London
- A J Watson (Electrical Services) Ltd. - Darwen
- A K Amusement Supplies - London
- A L J Assembly Ltd. - High Wycombe
- A M Power Solutions Ltd. - Kidwelly
- A M S Neve Ltd. - Burnley
- A Novo - Manchester
- A Novo UK Ltd - Enfield
- A O Smith Electrical Products Ltd. - Gainsborough
- A P I Holographics Ltd. - Salford
- A P T Electronics Ltd. - Workington
- A Q L E M C Ltd - Wimborne
- A R C Electronics - Southampton
- A S M Gmbh - Swadlincote
- A S N U Corporation Europe Ltd. - Bushey
- A S P Electronic Design Ltd. - Wokingham
- A T & T Solutions - London
- A V A Computing Services Ltd. - Waterlooville
- A V I Systems Ltd. - South Croydon
- A V K / S E G (U K) Ltd. - Maidenhead
- A V Sales (Europe) Ltd. - Ashford
- A V T Communication Systems Ltd. - Rugeley
- A Vector Group Co- Vector Components Ltd - Norwich
- A W A Refiners Ltd. - Harlow
- A&O Systems + Services Uk Ltd. - Slough
- A-2-Sea Solutions Ltd. - Romsey
- A-Fab Electronics Ltd - Andover
- A.O.S. Technology Ltd - Melton Mowbray
- A1 Microwave Ltd - Pickering
- A1stores - Office Equipment Suppliers for Business - Plymouth
- Aad Communications Ltd. - London
- AAF Ltd - Cramlington
- Aardvark Technical Services - Windsor
- Aardvark Transatlantic Ltd. - Ascot
- Aaron Electronic Manufacturing Services (AEMS) Ltd - Wallington
- AB Business Development Ltd - Kings Lynn
- AB Connectors Ltd - Mountain Ash
- Ab Electronic Ltd. - Romford
- AB Precision (Poole) Ltd - Poole
- Abacus Choice - Cambridge
- Abacus Instruments Ltd. - Shefford
- Abacus Northeast - Wetherby
- ABB Ltd - Aberdeen
- ABB Ltd - Coventry
- ABB Ltd - Milton Keynes
- ABB Ltd - Sunderland
- ABB Ltd - Telford
- ABB Ltd - Workington
- Abb Power T&D Ltd - Stone
- Abbey Design - Oldham
- Abbey Electronic Controls Ltd. - Wigan
- Abbott Laboratories Ltd - Queenborough
- Abc Batteries Ltd. - Liverpool
ABC Electronics Ltd - York- Abel Alarm Co Ltd - Birmingham
- Abel Alarm Co Ltd - Leicester
- Abel Alarm Co Ltd - London
- Abel Alarm Co Ltd - Newcastle upon Tyne
- Abel Alarm Co Ltd - Peterborough
- Abel Alarm Co Ltd - Poole
- Abel Alarm Co Ltd - Reading
- Abel Alarm Co Ltd - Tonbridge
- Abel Alarm Co. Ltd. - Greenock
- Abelon Systems Ltd - Edinburgh
- Abercorn Electronics - Linlithgow
- ABI Electronics Ltd - Barnsley
- ABL Circuits - Baldock
- Ablaze Building Solutions Ltd - Camberley
- Able Data Installations Plc - Hemel Hempstead
- Able Instruments & Controls Ltd. - Reading
- Able Systems Ltd - Northwich
- Ablemail Electronics - Salford
- Abrel Products Ltd - Limerick
- ABSL Power Solutions Ltd - Thurso
- Absolute Calibration Ltd - Fareham
- Absolute Components - Bath
- Absolute Electronics Ltd - Staines
- Abstract Avr Ltd. - Leicester
- Abtek Controls Ltd - Chelmsford
- Abtest Ltd. - Mountain Ash
- Abtronix - Woodbridge
- AC Global - St Austell
- Aca-Apex Ltd. - Dunstable
- Acal Plc - Guildford
- ACAL Technology Ltd - Wokingham
- Acam Instrumentation Ltd - Northampton
- Acc Silicones Ltd - Bridgwater
- Accel Power Supplies Ltd - Lancing
- Accelonix Ltd - Cambridge
- Accent Technology Ltd - Totnes
- Access Control Services Ltd. - Greenhithe
- Access Electrical Services Ltd - Dunstable
- Access IS - Reading
- Access Management Solutions Ltd - Stourport on Severn
- Access Pacific Ltd - Wellingborough
- Acco Systems Ltd. - Tamworth
- Accounts Department - Derby
- Accu-Sort/Europe Gmbh - Huntingdon
- Accurate Disc Duplication - Northampton
- Accuride International Ltd. - Northampton
- Ace Components Ltd - Preston
- Ace Wound Products Ltd. - Barking
- Aceaxis Ltd. - Aylesbury
- Acewell Electronics Ltd. - Burnley
- Acksen Ltd - Belfast
- ACL (Ashcroft Capacitors Ltd) - Cirencester
- ACM Instruments - Grange over Sands
- Aco Electronics Ltd. - Royston
- Acord Electronics Ltd. - West Byfleet
- Acorn Components Ltd - Basildon
- Acota Ltd - Shrewsbury
- Acquisition Systems Ltd. - Sandhurst
- Acsoft Ltd - Aylesbury
- Actaris Metering Systems - Felixstowe
- ACTE A/S - Basingstoke
- Actest Ltd - Enfield
- Actimax Plc - Basildon
- Action Circuits (UK) Ltd - Luton
- Activ Products Ltd. - Stroud
- Active Circuits - Melton Mowbray
- Active Controls - Market Harborough
- Active Electronics Plc - High Wycombe
- Active Network Systems Ltd. - Huntingdon
- Active P C B Solutions Ltd. - Reading
- Active Research Ltd - Poole
- Active Sensors Ltd. - Christchurch
- Active Silicon Ltd - Iver
- Active Tagging Ltd. - Halifax
- Acton Delta Ltd - Dudley
- Actual Power Ltd - Romsey
- Aculab plc - Bletchley
- Acute Sales Ltd. - Newcastle
- ACW Technology Ltd - Southampton
- Acw Technology Ltd. - Tonypandy
- AD Aerospace Ltd - Runcorn
- Ad Ireson Designs Ltd. - York
- Ad-Lite (Electronics) Co (U K) - Sheffield
- Adam Equipment Co Ltd - Bletchley
- Adam Hall Ltd - Southend on Sea
- Adaptive Modules Ltd - Hove
- Adaptsys Ltd - Petersfield
- Adcanex Europe Ltd - Southwell
- Added Dimension Ltd. - Reading
- Added Dimension Ltd. - Reading
- Adder Technology Ltd. - Cambridge
- Addlestone Electronics Ltd. - Woking
- Adelco Screen Process Ltd. - Bordon
- Aden Electronics (Holdings) Ltd. - Ashford
Adept Power Solutions Ltd - Andover- Adept Scientific Plc - Letchworth
- Adex Technical Ltd - Cirencester
- Adhesive Metering (Rockingham) Systems Ltd - Kettering
- Adi Business & Leisure Systems Ltd - Preston
- Adi-Gardiner Ltd. - Rochdale
- Aditech Ltd. - Aylesbury
Admagnetics Manufacturing Division of ADM (Solutions) Ltd - Accrington- Admiral Microwaves Ltd - Ruislip
- Adodo Consultancy Services Ltd - Nottingham
- AdoptSMT Uk Ltd - Redhill
- Adrian Hill Electonics - London
- Adrio Communications Ltd. - Dorking
- Adroit Accessories Ltd. - Walsall
- Adroit Global Technologies Ltd - Burnley
- ADRS Ltd - Chelmsford
- ADT Fire and Security plc - Sunbury on Thames
- Adva Optical Networking Ltd. - York
- Advance Controlled Electronics - Loughborough
- Advance Electronics Ltd. - Wrexham
- Advance Product Services Ltd. - Harrogate
- Advance Spares Ltd - Wrexham
- Advanced Analogic Technologies Inc - Newbury
- Advanced Automation Solutions Ltd - Milton Keynes
- Advanced Battery Care Ltd. - Marlborough
- Advanced Battery Supplies - Stockport
- Advanced Computer Designs Ltd. - Linlithgow
- Advanced Computer Installations Ltd. - Glasgow
- Advanced Crystal Technology Ltd - Wokingham
- Advanced Data Products Ltd - Ormskirk
- Advanced Dynamics Ltd. - Bradford
- Advanced Energy Industries U.K. Ltd - Bicester
- Advanced Industrial Rewinds Ltd - Sunderland
- Advanced Innovations Ltd - Limerick
- Advanced Interconnection Technology Ltd. - Manchester
- Advanced Labelling Systems - Poole
- Advanced Labelling Systems Ltd. - Thame
- Advanced Micro Devices (U K ) Ltd. - Camberley
- Advanced Modular Computers Ltd - Slough
- Advanced NDT Ltd - Worcester
- Advanced Perimeter Systems Ltd - Stirling
Advanced Rework Technology (ART) - Chelmsford- Advanced Semiconductor (Europe) Ltd. - Aylesbury
- Advanced Technologies International Ltd. - Slough
- Advanced Telephone Systems - Harpenden
- Advanced Television Systems Ltd - Brigg
- Advanced Thinking Systems Ltd. - Waterlooville
- Advanced Topographic Development & Images Ltd - Crawley
- Advantech AMT Ltd - St Ives (Huntingdon)
- Adverc B M Ltd. - Wolverhampton
- Adville Ltd. - Kettering
- AEA Technology plc - Dorchester
- AEG Power Solutions Ltd (formerly Saft Power Systems Ltd) - Enfield
- Aegis Industrial Software (Europe) Ltd - High Wycombe
- AEI Cables Ltd - Chester le Street
- AEL Crystals Ltd - Crawley
- Aerco Ltd - Horsham
- Aero Stanrew Ltd - Barnstaple
- Aerosystems International Ltd. - Yeovil
- Aerotech Ltd. - Reading
- Aerotech World Trade Ltd. - Maidenhead
- AF Switchgear and Control Panels Ltd - Sutton in Ashfield
- Afriso Eurogauge Ltd - Crawley
- Agfa-Gevaert Ltd - Brentford
- AGM Telematics Ltd - Corby
- Agmet Ltd. - Reading
- AGS Electronics Ltd - Dunfermline
- Agut Control Gear Ltd. - Blackburn
- AGW Electronics Ltd - Chesterfield
- AI Welders Ltd - Inverness
- AIC Technology (Europe) Ltd - Pulborough
- Aico Ltd. - Oswestry
- AIID Solutions - Stockport
- Aim Aviation (Henshalls) Ltd. - West Byfleet
- Air and Marine Products Ltd - Reading
- Air Control Industries Ltd - Axminster
- Air Monitors Ltd - Tewkesbury
- Air Spectrum Environmental Ltd - Worcester
- AirBorn International Ltd - Tonbridge
- Airdri Ltd - Witney
- Airflow Developments Ltd. - High Wycombe
- Airflow Measurements Ltd. - Bolton
- Airlink - Sawbridgeworth
- Airmat Machinery Ltd. - Wigan
- Airport Bearing Co. Ltd. - Nottingham
- Airwell Measurements Ltd. - Knutsford
Aish Technologies Ltd - Poole
- Ajay Electronics Ltd - Sutton
- AJB Project Services Ltd - Hayes
AJL Electrical Sales Ltd (Durite Distributor) - Billericay
- Akhter Group Ltd. - Harlow
- Aksa International (Uk) Ltd. - Coalville
- Alacritas Consultancy Ltd. - Markfield
- Alan Butcher Components Ltd - Blandford Forum
- Alans Circuits Ltd - Birmingham
- Alarm Detection Supplies - Plymouth
- Alarmtronic Ltd. - Croydon
- Albacom Ltd. - Dundee
- Alberto-Culver Group Ltd. - Basingstoke
- Albol Electronic and Mechanical Products Ltd. - Beckenham
- Albright International Ltd. - Surbiton
- Alcad - Harlow
- Alcatel Networks Ltd - Newport (Gwent)
- Alcatel Telecom Ltd - Banbury
- Alcatel Vacuum Technology (Uk) Ltd. - Livingston
- Alentec Orion Ltd - Leicester
- Alexander Technologies (Europe) Ltd - Peterlee
- Alfatronix Ltd - Poole
- ALG Sound and Lighting UK Ltd - Birmingham
- Algram Group Ltd. - Plymouth
- Alimatic Ltd - Witham
- All Batteries (UK) Ltd - Watford
- All Cable Solutions Ltd - Sheffield
ALL PSU Ltd - Rochester- All Trade Printers (Sales) Ltd. - Birmingham
- Allen Industrial - Rhyl
- Allendale Electronics Ltd. - Hoddesdon
- Allertex Ltd - Nelson
- Allgood Technology Ltd - Telford
- Alliance Security - Leatherhead
- Allied Cables Ltd - Warrington
- Allied Fire Alarms & Escapes Co. Ltd. - Wrexham
- Allrol Solutions Ltd. - Huntingdon
- Almag a Division of Carnhill Transformers Ltd - St Ives (Huntingdon)
- Almag Components Ltd - Colchester
- Almec E A S Ltd. - Hitchin
- Almit Technology Ltd - Forest Row
- Alpha Data Parallel Systems - Edinburgh
Alpha Electronics - Maidstone- Alpha Electronics (Southern) Ltd - Maidstone
- Alpha Lighting - Sunderland
- Alpha Micro Components Ltd - Basingstoke
- Alpha Moisture Systems Ltd. - Bradford
- Alpha RF Ltd - Swanley
- Alpha Technologies Europe Ltd - Bishops Stortford
- Alpha Wire International - Sunbury on Thames
- Alphabet Electronic Components Ltd - Barnstaple
- Alphamation Ltd - Halesowen
- Alphamode Designs - Oxford
- Alphasonics (Ultrasonic Cleaning Systems) Ltd. - Prescot
Alphatech Ltd - Haverhill- Alphr Technology Ltd. - Letchworth
- Alpine Components - St Leonards on Sea
- Alpine Technology Ltd - Brighton
- ALR Services (Wales) - Cwmbran
- Alrad Instruments Ltd - Newbury
- Alroy Microwave & Electronics Ltd. - Stevenage
- ALS Technologies Ltd - Wincanton
- Alsigns - Surelite Ltd - Maidenhead
- Alstom Power Plants Ltd. - Knutsford
- ALSTOM Transport Information Solutions Ltd - Solihull
- Altanet Technology Ltd - Huntingdon
- Altaroute Ltd - Yate
- Altek Technologies Ltd. - Brighton
- Altera Europe Ltd - High Wycombe
- Altham International Ltd. - Accrington
- Altimex Ltd. - Chester
- Altus Group Ltd - Worcester
- Alvis Vehicles Ltd. - Telford
- AM Labels Ltd - Kettering
- Amber Electronics Ltd. - Daventry
- Amber Instruments Ltd. - Chesterfield
- Amberlea Plastics Ltd - Fareham
- Ambromley Ltd. - Buxton
- AMC Security Products Ltd - Shoreham by Sea
- Amelec Instruments - Milton Keynes
- America II Europe Ltd - Letchworth
- Amethyst Designs Ltd. - Cambridge
- Amfax Ltd - Blandford Forum
- AMG Electronics - Coalville
- Amg Systems Ltd - Biggleswade
- Amicus ITS Ltd - Southampton
- Amina Technologies Ltd. - Huntingdon
- Amino Communications Ltd - Cambridge
- Amir Power Transmission Ltd - Hemel Hempstead
- Ampersand (Y 2 K) Ltd. - Chorley
- Ampetronic Ltd. - Newark
- Amphion Semiconductor - Belfast
- AMPLEC - Halifax
- Amplicon - Brighton
- Amplifier Technology Ltd - Bristol
- AMS Technologies Ltd - Lutterworth
- Amulet Hotkey Ltd - Newton Abbot
- Amytech Ltd. - Pulborough
- AN Wallis and Co Ltd - Nottingham
- Anaco Stainless - Peterborough
- Analog Devices BV - Limerick
- Analog Devices Ltd. - Weybridge
- Analogue and Digital Systems Ltd - Maidenhead
- Analogue Integration Ltd. - Malmesbury
- Anand International Ltd - Leicester
- Anca Industrial Supplies Ltd. - Halesowen
- Anchor Supplies Ltd. - Nottingham
- Ancrum Electronics - Dundee
- Anders Electronics Plc - London
- Andor Technology Plc - Belfast
- Andrew Ag - Lochgelly
- Andrew Harrison Electronic Design - Cardiff
- Andrews Reprographics Ltd. - Ipswich
- Andrin Electronic Components - Cranleigh
- Andromeda Products Ltd. - Wellingborough
- Andromica Video Systems Ltd. - Uxbridge
- Andross Electrics Ltd - Bishops Stortford
- Anglepoise Ltd. - Portsmouth
- Anglia Circuits Ltd - St Ives (Huntingdon)
- Anglia Corporation Holdings Ltd. - Wisbech
- Anglia Labels (Sales) Ltd - Sudbury
- Anglia Transformers Ltd - Farnham
- Anglo American Cables Ltd. - Littleborough
- Anglo Production Processes Ltd. - Bromsgrove
- ANGLO-Krempel - Bideford
- Angstrom Sciences, Inc - Duquesne
- Angus Rock Products - Oxford
- Anixter International Ltd. - Uxbridge
- Annex (Interconnect) Ltd - Bristol
- Annicom - Bordon
- Annson & Associates Ltd. - Matlock
- Anotek Ltd. - Kilwinning
- ANR Manufacturing Ltd - Bourne End
- Anritsu Ltd. - Luton
- Ansmann Energy (UK) Ltd - Hoddesdon
- Anstee & Ware Ltd. - Bristol
ANT Telecommunications Ltd - High Wycombe- Antares (Europe) Ltd - High Wycombe
- Antech Calibration Services - Great Yarmouth
- Antex (Electronics) Ltd. - Tavistock
- Antimony Communications - Godalming
- Ants Nest, The - Coventry
- Anville Sensors Ltd. - Reading
- AOI Systems Ltd - Johnstone
- AP Technologies Ltd. - Bath

AP Technology Ltd - Hayes- APC plc - Go! Technology - St Neots
- APC-Hero - St Neots
- APD Communications Ltd - Hull
- Apds Ltd - Bristol
- Apem Components Ltd. - Aylesbury
- Apex Computer Holdings Ltd - Cirencester
- Apex Electronics Ltd. - Crowborough
- Apfel-Europe - Hungerford
- Aphena Ltd. - Cambridge
- Aplab Power Systems - Market Harborough
- APM Electronics - Westbury
- Apollo Electronics Corporation Ltd - Huddersfield
- Apollo Enterprises Ltd - Chislehurst
- Apollotek Ltd - Sunbury on Thames
- Apple Sound Ltd - Chester
Applegate Directory Ltd - Barnstaple- Applications Engineering Ltd - Uckfield
- Applied Assembly Ltd - Southampton
- Applied Electronics Computer Systems - Hailsham
- Applied Kilovolts Ltd - Worthing
- Applied Relay Testing Ltd. - Wimborne
- Applied Satellite Technology Ltd. - Great Yarmouth
- Applied Vibration Ltd - Tamworth
- Applied Weighing International Ltd - Reading
- Apra-norm Electromechanik GmbH - Waterlooville
- Apt Transtelex Plc - London
- Aquadec Decorative Coatings - Thetford
- Aquapac International Ltd. - London
- AR (UK) Ltd - Milton Keynes
- AR Electronics - York
- Aralia Systems Ltd. - Horsham
- Aramec Ltd - Blackwood
- Arc Control Systems - Camberley
- Archer Woodnutt Ltd - Stoke on Trent
- Arcol U K Ltd. - Truro
- Arctic Spas (Midlands) Ltd. - Kidderminster
- Arden Electronics Ltd - Birmingham
- Arena Computer Services - Leatherhead
- Areva T&D Power Electronics International Ltd - Stafford
- ARG Electrodesign Ltd - Cirencester
- Argon Electronics - Luton
- Argosafe Ltd - Barwell
- Argosy Components Ltd. - Aylesbury
- Argus Electronics - Great Yarmouth
- Arka Technologies Ltd - London
- Arkel Computer Services Ltd. - Market Harborough
- Arm Ltd. - Cambridge
- Armadillo LED - Evolution In Lighting - Dunmow
- Armourcote Surface Treatments Ltd - Leeds
- Arnesys Ltd. - Nottingham
- Arnlea Systems Ltd - Inverurie
- Arri Lighting Rental Ltd - Salford
- Arrow Embedded Solutions (Arrow Electronics UK Ltd) - Harlow
- Arrowquint Ltd - Wellingborough
- Arrowvale Electronics - Redditch
- Art Components Ltd - Huntingdon
- Artetch Circuits Ltd. - Littlehampton
- Artevea Digital Ltd. - Cambridge
- Artillus Illuminating Solutions Ltd - Northampton
- Arun Components Ltd - Bognor Regis
- Arw Transformers Ltd. - Glasgow
- Ascent Electronics - Bury
- Asco Components - Birmingham
- Asco Numatics - Skelmersdale
- Ascom Network Testing Ltd. - Godalming
- Ascon - Malvern
- Ascot Hygiene Ltd - Abingdon
- Ascott Analytical Equipment Ltd - Tamworth
- ASD Lighting - Rotherham
- Ash Telecommunications Ltd. - Guildford
- Ashcroft Ceramic Capacitors Ltd - Cirencester
- AshDale Electrical Testing - Leeds
- Asheridge Communications Ltd. - Chesham
- Ashgill Electronics Ltd. - Larkhall
- Ashlea Components Ltd - Swindon
- Ashridge Engineering Ltd - Okehampton
- ASK Technology Ltd - Hook
- ASPECT Electronics Ltd - Ripon
- Aspect Radio Communications Ltd - Heathfield
Aspen Electronics Ltd - Ruislip- Asper Systems Ltd - Edinburgh
- Aspex Semiconductor Ltd. - High Wycombe
- Aspland Gauge Co. Ltd. - Hyde
- Assembled Electronics Solutions - Stratford upon Avon
- Assemblionics Ltd - Bridgend
- Assembly Contracts Ltd. - Manchester
- Assembly Solutions (Uk) Ltd. - Baldock
Assemtech Europe Ltd - Clacton on Sea- Asset Epos Systems Ltd. - Ramsgate
- Assign Technology - Greenford
- Associate Vehicle Installations Ltd - Walton On The Naze
- Astec Conveyors - Swadlincote
- Asten Instruments Ltd. - Market Rasen
- Astin Trew - Henley on Thames
- Astor EMC - Reading
- Astrosyn International Technology Ltd. - Chatham
- Astrosystems Ltd. - Wantage
- Astute Electronics Ltd - Ware
- AT Engine Controls Ltd - Manchester
- Atb Morley Ltd. - Pudsey
- ATC Semitec Ltd - Northwich
- Atego Systems Ltd. - Cheltenham
- ATG - St Helens
- Atl Transformers Ltd. - Manchester
- Atlantic Electronic Components (Europe) Ltd. - Potters Bar
- Atlantic Microwave Ltd - Braintree
- Atomic Programming Ltd - Sheffield
- Atos Origin It Services Uk Ltd. - London
- Atotech (U K) Ltd. - West Bromwich
- ATP Electronic Developments Ltd - Cannock
- Atraverda Ltd. - Abertillery
- Auckland International Ltd - Canterbury
- Audio Digital Technology Ltd - Teddington
- Audio Engine, The - Harpenden
- Audio Ltd - High Wycombe
- Audio Partnership plc - London
- Audio Processing Technology Ltd. - Belfast
- Audionics Ltd. - Sheffield
- Audiotel International Ltd. - Corby
- Audioworks (North West) Ltd. - Lancaster
- Auditel Ltd. - High Wycombe
- Audix Broadcast (A Trading Division of Wood & Douglas Ltd) - Saffron Walden
- Aughton Hire - Liverpool
- Auriga (Europe) Plc - Milton Keynes
- Aurora Electronics (U K) Ltd. - Lichfield
- Aurorra Ltd. - Sheffield
- Austin Taylor Communications Ltd. - Bangor
- Autac Products Ltd - Macclesfield
- Auto Battery Service - Guildford
- Auto Marine Cables Ltd. - Manchester
- Auto Sparks - Nottingham
- Autocall Ltd - Middlesbrough
- Autocar Electrical Equipment Co. Ltd. - London
- Autocare - Blandford Forum
- Autogard (U K ) Ltd. - Walsall
- Autolux Ltd. - Leeds
- Automated Designs Ltd. - Broadstone
- Automatic Access Ltd. - Leicester
- Automatic Windings Ltd - Wimborne
- Automation Controls (Belfast) Ltd. - Belfast
- Automation Technologies Ltd. - Rye
- Automotive Calibration Ltd - London
- Autonumis Ltd. - Tetbury
- Autoreel Ltd. - Nottingham
- Autosound Ltd - Bradford
- Auwell Electronics Ltd. - Stonehouse
- AV Concepts - South Brent
- Avalon Electronics Ltd. - Shepton Mallet
- Avanti Power Repairs Ltd. - Tadley
- Avcom Systems Ltd. - London
- Avel Lindberg - Tredegar
- Avery Weigh-Tronix Ltd. - Smethwick
- Avialec International Ltd. - Petersfield
- Avionicare Ltd - Southend on Sea
- Avk Schrack - Maidenhead
- Avnet Abacus - Maidenhead
- Avnet Emg Ltd. - Stevenage
- Avon Magnetics Ltd - Christchurch
- Avonline plc - Bristol
- Avonwood Developments Ltd - Wimborne
- AVSL Group Ltd - Manchester
- AVX Ltd - Camberley
- AWS Cemgraft Ltd - Newbury
- AWS Electronics Group Ltd - Worcester
- AWS Electronics Ltd - Newcastle under Lyme
- AWS Jantec - Biggleswade
AX Distribution - Horsham- Axair Fans (UK) Ltd - Newcastle under Lyme
- Axess International Ltd. - Daventry
- Axicom Ltd. - London
- Axicon Services Ltd - Bicester
- Axis Electronics Ltd - Bedford
- Axis Microsystems Ltd - Bridgnorth
- Axisclaim Ltd. - Hailsham
- Axminster Electronics Ltd - Axminster
- Axon Cable Ltd - Rosyth
- Axon Components Ltd. - Leeds
- Axxess Identification Ltd - Swindon
- AYN Electrical Supplies Ltd - Watford
- Aypex Electronics Ltd - Swansea
- Aztec P C B Design Services - Peacehaven
- AzteQ Solutions Ltd - Hemel Hempstead
- Azure Logo Embroidery - Dorchester
