Company Index
- A E Petsche Co. Inc - Reading
- A Williams Engineering Services Ltd. - Skelmersdale
- A & D Instruments Ltd. - Abingdon
- A & E Marketing Ltd. - Kirkcaldy
- A & J Gummers Ltd - Birmingham
- A & K Cash Registers - Caerphilly
- A & S Auto Spares - Preston
- A & W Sound & Vision - Reading
- A and A Batteries - Pontypool
- A and C Audio Visual - Carluke
- A and D Automation (Sales) Ltd - Lancing
- A and H Supplies Ltd - Bradford
- A and P Chambers - Inverness
- A and R Electronic Developments Ltd - Rugeley
- A and T Enclosures Ltd - Dudley
- A B C Aerials Ltd. - Wigan
- A B Electrical Wholesalers Ltd. - York
- A B M Ltd. - Widnes
- A B Pharos Marine Ltd. - Hounslow
- 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 I C International Ltd. - Alton
- A C Partridge Ltd. - Benfleet
- A C T Communications Ltd. - Aylesford
- A D - Cambridge
- A D C Electrical Co. Ltd. - Washington
- A D Computers - Middlesbrough
- A E M E Ltd. - Honiton
- A E V Ltd. - Birkenhead
- A F A C - Shefford
- A G W Electronics Ltd. - Chesterfield
- 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 L R Services - Oxford
- 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 Q L E M C Ltd - Wimborne
- A R C Electronics - Southampton
- A R G Electrodesign Ltd. - Cirencester
- 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 T L Telecom Ltd. - Cardiff
- A T P Electronic Developments Ltd. - Cannock
- A Tarr Ltd - Uckfield
- A V A Computing Services Ltd. - Waterlooville
- A V I Systems Ltd. - South Croydon
- A V Power Ltd. - Reading
- A V Sales (Europe) Ltd. - Ashford
- A V T Communication Systems Ltd. - Rugeley
- A Vector Group Co- Vector Components Ltd - Norwich
- A&O Systems + Services Uk Ltd. - Slough
- A-2-Sea Solutions Ltd. - Romsey
- A-Fab Electronics Ltd - Andover
- A-TEC International Ltd - Sevenoaks
- A. Davies & Sons (Sales) Ltd - Stockport
- A.O.S. Technology Ltd - Melton Mowbray
- A1 Microwave Ltd - Pickering
- Aad Communications Ltd. - London
- AAF Ltd - Cramlington
Aardvark Technical Services - Windsor- Aardvark Transatlantic Ltd. - Ascot
- AB Business Development Ltd - Kings Lynn
- AB Connectors Ltd - Mountain Ash
- Ab Electronic Ltd. - Romford
- AB Precision (Poole) Ltd - Poole
- Abacus Chiltern - Leighton Buzzard
- Abacus Choice - Cambridge
- Abacus Electronics Holdings Ltd. - Newbury
- Abacus Group Plc - Newbury
- Abacus Instruments Ltd. - Shefford
- Abacus Northeast - Wetherby
- Abanda U K - Manchester
- 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
- Abbey Telecom Ltd - Blackburn
- Abbott Laboratories Ltd - Queenborough
- Abc Batteries Ltd. - Liverpool
- Abc Electronics Ltd. - York
- Abel Alarm Co Ltd - Bedford
- Abel Alarm Co Ltd - Birmingham
- Abel Alarm Co Ltd - Greenock
- 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
- Abelon Systems Ltd - Edinburgh
- Abercorn Electronics - Linlithgow
- ABI Electronics Ltd - Barnsley
- ABL (Aluminum Components) Ltd - Birmingham
- ABL Circuits - Baldock
- Ablaze Building Solutions Ltd - Aldershot
- Able Data Installations Plc - Hemel Hempstead
- Able Instruments & Controls Ltd. - Reading
- Able Systems Ltd - Northwich
- Ablemail Electronics - Salford
- Ablewisp Ltd. - Brixham
- Above Board Components Ltd - Bournemouth
- Abrel Products Ltd - Limerick
- ABSL Power Solutions Ltd - Thurso
- Absolute Battery (UK) Ltd - Ipswich
- Absolute Calibration Ltd - Fareham
- Absolute Casing Ltd. - Newbury
- Absolute Components - Bath
- Absolute Electronics Ltd - Staines
- Absolute Software Ltd - Porthtowan
- Abstract Avr Ltd. - Leicester
- ABTech Europe Ltd - Bridgwater
- Abtech Ltd - Sheffield
- Abtek Controls (trading name of Servecon Ltd) - Chelmsford
- Abtest Ltd. - Mountain Ash
- Abtronix - Woodbridge
- Ac Global - St Austell
- AC Labels Ltd - Derby
- Aca-Apex Ltd. - Dunstable
- ACAL Components - Wokingham
- Acal Electronics Ltd - Fleet
- ACAL Microsystems - Wokingham
- Acal Plc - Guildford
- ACAL Semiconductors - Wokingham
- Acam Instrumentation Ltd - Northampton
- Acc Silicones Ltd - Bridgwater
- Accel Power Supplies Ltd - Lancing
- Accelent - Manchester
- Accelerated Technology UK Ltd - Redditch
- Accelonix Ltd - Alton
- Accent Technology Ltd - Totnes
- Access Control Services Ltd. - Greenhithe
- Access Controls (U K) Ltd - Fareham
Access Electrical Services Ltd - Cullompton- Access Electrical Services Ltd - Dunstable
- Access Information Ltd - Midhurst
- Access IS - Reading
- Access Management Systems Ltd - Stourport on Severn
- Access Pacific Ltd. - Wellingborough
- Acco Systems Ltd. - Tamworth
- Accorde Esprit Electronics Ltd - Southampton
- Accounts Department - Derby
- Accu-Sort/Europe Gmbh - Huntingdon
- Accurate Sound Ltd - Leicester
- Accuride International Ltd. - Northampton
- Ace Components Ltd - Preston
- Ace Conveyor Equipment - Doncaster
- Ace Wound Products Ltd. - Barking
- Acewell Electronics Ltd. - Burnley
- ACI Firepipe Ltd - Stevenage
- Acksen Ltd - Belfast
- ACL - Cirencester
- ACM Instruments - Grange over Sands
- Aco Electronics Ltd. - Royston
- Acord Electronics Ltd. - West Byfleet
- Acorn Components Ltd - Basildon
- Acota Ltd - Shrewsbury
- ACP & D Ltd - Ashton under Lyne
- Acquisition Systems Ltd. - Sandhurst
- Acsoft Ltd - Aylesbury
- Actaris Metering Systems - Felixstowe
- Acte Components Ltd - Basingstoke
- Actest Ltd - London
- Actimax Plc - Basildon
- Actinic PCB Design - Brighton
- Action Circuits (UK) Ltd - Luton
- Action Hardware Ltd - Hartfield
- Activ Products Ltd. - Stroud
- Activa Solutions Ltd - Edenbridge
- Active Circuits - Melton Mowbray
- Active Computing & Telecoms Ltd. - Barnstaple
- Active Controls - Market Harborough
- Active Electronics Plc - High Wycombe
- Active Network Systems Ltd. - Huntingdon
- Active P C B Solutions Ltd. - Reading
- Active Sensors Ltd. - Christchurch
- Active Silicon Ltd - Iver
- Active Tagging Ltd. - Halifax
- Acton Delta Ltd - Dudley
- Aculab plc - Bletchley
- Acupaq Ltd - Glasgow
- AcuSurv - Colchester
- 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
- ADA Technology Services - Burgess Hill
- Adam Equipment Co Ltd - Bletchley
- Adam Hall Ltd - Southend on Sea
- Adaptive Modules Ltd - Hove
- Adaptsys Ltd - Petersfield
- Adc Communications (Uk) Ltd. - Cheltenham
- Add-A-Guard Ltd. - Stockport
- Added Dimension Ltd - Reading
- Adder Technology Ltd. - Cambridge
- Addlestone Electronics Ltd. - Woking
- Adelco Screen Process Ltd. - Bordon
- Aden Electronics Ltd - Ashford
- Adept Power Solutions Ltd - Andover
- Adept Scientific Plc - Letchworth
- Adex Technical Ltd - Cirencester
- Adi American Distributors Inc - Henlow
- 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
- Adrian Hill Electonics - London
- Adrio Communications Ltd. - Dorking
- Adroit Accessories Ltd. - Walsall
- Adroit Global Technologies Ltd - Burnley
- ADRS Ltd - Chelmsford
- Adsyst (Automation) Ltd - Stafford
- ADT Fire and Security plc - Sunbury on Thames
- Adur Communications - Steyning
- 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 Battery Care Ltd. - Marlborough
- Advanced Battery Supplies - Stockport
- Advanced Chemical Etching Ltd - Telford
- Advanced Computer Designs Ltd. - Linlithgow
- Advanced Computer Installations Ltd - Glasgow
- Advanced Control Systems Ltd. - Leeds
- Advanced Crystal Technology Ltd - Wokingham
- Advanced Data Products Ltd - Ormskirk
- Advanced Dynamics Ltd. - Bradford
- Advanced Electronics - Cramlington
- 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 (ALS) - Thame
- Advanced Layout Solutions Ltd - Reading
- Advanced Micro Devices (U K ) Ltd. - Camberley
- Advanced Modular Computers Ltd - Slough
- Advanced NDT Ltd - Worcester
- Advanced PC - Leicester
- 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 - Brigg
- Advanced Thinking Systems Ltd. - Waterlooville
- Advanced Topographic Development & Images Ltd - Crawley
- Advantech AMT Ltd - St Ives (Huntingdon)
- Advent Electronics Ltd - Lymington
- Adverc B M Ltd. - Wolverhampton
- Adville Ltd. - Kettering
- Aea Technology International Ltd. - Didcot
- AEA Technology plc - Dorchester
- AEG Power Solutions Ltd (formerly Saft Power Systems Ltd) - Ilford
- AEG Power Supply Systems - Ilford
- Aegis Industrial Software (Europe) Ltd - High Wycombe
- AEI Cables Ltd - Chester le Street
- AEL Crystals Ltd - Crawley
- Aerco Ltd - Horsham
- Aero Stanrew Ltd - Barnstaple
- Aeroform Ltd - Poole
- 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
- Aftec Ltd - Wolverhampton
- Agfa-Gevaert Ltd - Brentford
- Agl-Airtesting Ltd. - Baldock
- AGM Telematics Ltd - Corby
- Agmet Ltd. - Reading
- AGR Automation Ltd - Arbroath
- Agut Control Gear Ltd - Blackburn
- 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 - Chard
- Air Monitors Ltd - Tewkesbury
- Air Spectrum Environmental Ltd - Worcester
- Air Tube Group Ltd - Kidderminster
- AirAndWaterCentre.com - Littlehampton
- AirBorn International Ltd - Edenbridge
- Airconnect Solutions Ltd - St Albans
- Airdri Ltd - Witney
- Airflow Developments Ltd. - High Wycombe
- Airflow Measurements Ltd. - Bolton
- Airlink Transformers - Sawbridgeworth
- Airmat Machinery Ltd. - Wigan
- Airport Bearing Co. Ltd. - Nottingham
- Airwell Measurements Ltd. - Knutsford
- Aish Technologies Ltd - Poole
- Aitken Electronics - Newcastle upon Tyne
- AJ Cables and Connectors Ltd - Heathfield
- Ajay Electronics Ltd - Sutton
- AJB Project Services Ltd - Hayes
- AJL Electrical Sales Ltd - Billericay
- Akhter Group Plc - Harlow
- Aksa International (Uk) Ltd. - Coalville
- Alacritas Consultancy Ltd. - Markfield
- Alan Butcher Components Ltd - Blandford Forum
- Alan Dick & Co. Ltd. - Cheltenham
- 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. - London
- 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
- Aleph Europe Ltd - Wellingborough
- Alexander Technologies (Europe) Ltd - Peterlee
- Alfa Chemicals Ltd - Preston
- Alfatronix Ltd - Poole
- ALG Sound and Lighting UK Ltd - Birmingham
- Algram Group Ltd. - Plymouth
- ALH Systems Ltd - Westbury
- Alice Soundtech plc - Lingfield
- Alimatic Ltd - Witham
- All Batteries (UK) Ltd - Watford
- All Cable Solutions Ltd - Sheffield
- ALL PSU Ltd - Rochester
- All Trade Printers (Sales) Ltd. - Birmingham
- Alldays Peacock - Weston super Mare
- Allen Industrial - Rhyl
- Allendale Electronics Ltd. - Harlow
- Allertex (1977) Ltd. - Bradford
- Allgood Technology Ltd - Telford
- Alliance Security - Leatherhead
- Allied Cables Ltd. - Warrington
- Allied Fire Alarms & Escapes Co. Ltd. - Wrexham
- Allied Semiconductors Int Ltd - Limerick
- Allrol Solutions Ltd. - Huntingdon
- Allvoice Computing Ltd. - Newton Abbot
- Almag a Division of Carnhill Transformers Ltd - St Ives (Huntingdon)
- Almag Components Ltd - Colchester
- Almec Electronic Assembly Services Ltd. - Hitchin
- Almit Technology Ltd - Forest Row
- Alpha Data Parallel Systems - Edinburgh
- Alpha Electronics (Southern) Ltd - Maidstone
- 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
- Alphacam - Coventry
- Alphamation Ltd - Halesowen
- Alphameric Leisure Ltd - Guildford
- Alphamode Designs - Oxford
- Alphasonics (Ultrasonic Cleaning Systems) Ltd. - Prescot
- Alphatech Ltd - Haverhill
- Alphatek Instruments Ltd - Normanton
- Alphr Technology Ltd. - Letchworth
- Alpine Components - St Leonards on Sea
- Alpine Technology Ltd - Portslade
- Alps Electric (UK) Ltd - Milton Keynes
- ALR Services (Wales) - Cwmbran
- Alrad Instruments Ltd - Newbury
- Alroy Microwave & Electronics Ltd. - Stevenage
- ALS Technologies Ltd - Wincanton
- Alsigns - Surelite Ltd - Maidenhead
- ALSTEC Power Systems Ltd - Bracknell
- Alstom Power - Stafford
- Alstom Power Plants Ltd. - Knutsford
- ALSTOM Research and Technology Centre - Stafford
- ALSTOM Transport Information Solutions - Borehamwood
- Altanet Technology Ltd - Huntingdon
- Altaroute Ltd - Yate
- Altek Instruments Ltd - Walton on Thames
- Altek Technologies Ltd. - Brighton
- Altera Europe Ltd. - High Wycombe
- Alternative SMT Ltd - London
- Alternative Test Equipment - Wokingham
- Altham International Ltd. - Accrington
- Altima Ltd - London
- Altimex Ltd - Chester
- Altus Group Ltd - Kirkcaldy
- AM Labels Ltd - Kettering
- AM Power Solutions - Carmarthen
- AM Transformers Ltd - High Wycombe
- Amber Electronics Ltd. - Daventry
- Amber Instruments Ltd. - Chesterfield
- Amberlea Plastics Ltd - Fareham
- Ambromley Ltd. - Buxton
- AMC Security Products Ltd - Shoreham by Sea
- AMEC Thermal Solutions - Cambridge
- 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
- Ampex (GB) Ltd - Basingstoke
- Amphenol Ltd - Nottingham - Whitstable
- Amphion Semiconductor - Belfast
- AMPLEC - Halifax
- Amplicon - Brighton
- Ampohm Wound Products Ltd - Launceston
- Ampy Metering Ltd. - Peterborough
- AMS Technologies Ltd - Lutterworth
- Amscreen Group Ltd. - Bolton
- Amstrad Ltd. - Isleworth
- Amulet Hotkey Ltd. - Newton Abbot
- Amytech Ltd. - Pulborough
- AN Wallis and Co Ltd - Nottingham
- Anaco Stainless - Peterborough
- Analog Devices BV - Limerick
- Analog Devices Ltd - Walton on Thames
- Analogical Systems - Farnham
- Analogue and Digital Systems Ltd - Maidenhead
- Analogue Integration Ltd. - Malmesbury
- Analox Sensor Technology Ltd - Middlesbrough
- Analytical & Flux Services - Saundersfoot
- Anand International Ltd. - Leicester
- ANCA (UK) Ltd - Coventry
- Anca Industrial Supplies Ltd. - Halesowen
- Anchor Components Ltd - Stoke on Trent
- Anchor Supplies Ltd. - Nottingham
- Anchorshield Ltd. - Wimborne
- Ancrum Electronics - Dundee
- Andel Ltd - Huddersfield
- Anders Electronics plc - London
- Andor Technology Ltd - Belfast
- Andrew Harrison Electronic Design - Cardiff
- Andrew Ltd - Edinburgh
- Andrews Reprographics Ltd. - Ipswich
- Andrin Electronic Components - Cranleigh
- Andromeda Products Ltd. - Wellingborough
- Andromica Video Systems Ltd. - Uxbridge
- Andross Electrics Ltd - Bishops Stortford
- Anglepoise Ltd. - Waterlooville
- Anglia - Wisbech
- Anglia Circuits Ltd - St Ives (Huntingdon)
- Anglia Labels (Sales) Ltd - Sudbury
- Anglia Time Recorders Ltd - Ipswich
- Anglia Transformers Ltd - Farnham
- Anglo American Cables Ltd. - Littleborough
- Anglo Production Processes Ltd. - Bromsgrove
- ANGLO-Krempel previously AAVF (Anglo American Vulcanized Fibre Ltd) - Bideford
- Angstrom Sciences, Inc - Duquesne
- Angstrom Sciences. Inc. - Evesham
- 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
- Ansoft UK - Basingstoke
- Anstee Ware Ltd - Avonmouth
- Antares (Europe) Ltd. - Gerrards Cross
- Antech Calibration Services - Great Yarmouth
- Antex (Electronics) Ltd. - Tavistock
- Antimony Communications - Godalming
- Antler Ltd. - Bury
- Anville Instruments Ltd - Aldershot
- Anville Sensors Ltd. - Reading
- AP Technologies Ltd. - Bath
- APC plc - Go! Technology - St Neots
- APC plc - Hi-Rel - Rochester
- APC-Hero - St Neots
- APC-Novacom - Lincoln
- APD Communications Ltd - Milton Keynes
- Apds Ltd - Bristol
- Apem Components Ltd. - Aylesbury
- Apex Computer Holdings Ltd - Cirencester
- Apex Electronics Ltd. - Crowborough
- Apfel-Europe - Hungerford
- Aphel Ltd. - Coventry
- Aphena Ltd. - Cambridge
- Aplab Power Systems - Market Harborough
- Apollo Calibration Ltd. - Chislehurst
- Apollo Display Technologies Ltd - Rochester
- Apollo Electronics Corporation Ltd - Huddersfield
- Apollo Ultrasonics - York
- Apollotek Ltd - Sunbury on Thames
- Appian Technology Plc - Bourne End
- Apple Sound Ltd - Chester
- Applegate Directory - Barnstaple
- Applications Engineering Ltd - Uckfield
- Applied Assembly Ltd - Southampton
- Applied Automation (UK) Ltd - MayTec Division - Plymouth
- Applied Barcodes - Horsham
- Applied Electronics Computer Systems - Hailsham
- Applied Imaging International Ltd - Newcastle upon Tyne
- 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 - Fareham
- APT Electronics Ltd - Workington
- Apt Transtelex Plc - London
- Aquadec Decorative Coatings - Thetford
- Aquapac International Ltd. - London
- Aquila Cybernetic Ltd. - Portland
- AR Electronics - York
- Aralia Systems Ltd. - Horsham
- Aramec Ltd - Blackwood
- Arbarr Electronics Ltd. - Antrim
- Arbel Electronics Ltd. - Clynderwen
- Arc Control Systems - Camberley
- Arc Electronics Ltd - Swindon
- Archer Woodnutt Ltd - Stoke on Trent
- Archibald Kenrick & Sons Ltd. - West Bromwich
- Arcol U.K. Ltd - Truro
- Arcolectric - Molesey
- Arcotronic Nissei Group - Towcester
- Arctic Spas (Midlands) Ltd. - Kidderminster
- Arden Electronics Ltd - Birmingham
- Arena Computer Services - Leatherhead
- Areva T&D Power Electronics International Ltd - Stafford
- Argo Interactive Ltd. - Godalming
- Argon Electronics - Luton
- Argosafe Ltd. - Leicester
- Argosy Components Ltd. - Aylesbury
- Argus Electronics - Great Yarmouth
- Arka Technologies Ltd - London
- Arkadin (Uk) Ltd. - London
- Arkel Computer Services Ltd. - Market Harborough
- Arkonia Systems Ltd. - Bordon
- Arlco Power Ltd - Gloucester
- ARM Ltd - Cambridge
- Armadillo Marketing Ltd. - Dunmow
- Armourcote Surface Treatments Ltd - Leeds
- Arnesys Ltd. - Nottingham
- Arnlea Systems Ltd - Inverurie
- Arrow Embedded Solutions (Arrow Electronics UK Ltd) - Harlow
- Arrow Engineering Supply Co Ltd - Rugby
- Arrow Technical - Rotherham
- Arrowquint Ltd - Northampton
- Arrowvale Electronics - Redditch
- Art Components Ltd - Huntingdon
- Artesyn Communications Products - Edinburgh
- Artesyn Technologies - Cork
- Artetch Circuits Ltd. - Littlehampton
- Artevea Digital Ltd. - Cambridge
- Artisan Software Tools Ltd. - Cheltenham
- Arun Components Ltd - Bognor Regis
- Arvinmeritor Light Vehicle Systems (Uk) Ltd. - Birmingham
- ARW Transformers Ltd - Glasgow
- Asap Calibration Services Ltd - Romsey
- Ascent Electronics - Bury
- Asco Components - Birmingham
- Asco Numatics - Skelmersdale
- Ascom Wireless Solutions - Sevenoaks
- Ascon - Malvern
- Ascot Hygiene Ltd - Bicester
- 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
- Asis Computing Ltd - Swansea
- ASK Technology Ltd - Hook
- Aspect Electronics Ltd. - York
Aspen Electronics Ltd - Ruislip- Asper Systems Ltd - Edinburgh
- Aspex Semiconductor Ltd. - High Wycombe
- Aspland Gauge Co. Ltd. - Hyde
- Assembled Electronics Solutions LLP - Stratford upon Avon
- Assemblionics Ltd - Bridgend
- Assembly and Control Technology Ltd - Bideford
- Assembly Contracts Ltd. - Manchester
- Assembly Solutions (Uk) Ltd. - Letchworth
- Assemtech Europe Ltd - Clacton on Sea
- Asset Epos Systems Ltd. - Surbiton
- Assign Technology - Greenford
- Associate Vehicle Installations Ltd - Walton On The Naze
- Associated Compressor Engineers - Stockport
- Assuretech Ltd. - Greenock
- AST Distribution Ltd - Swindon
- Astec Conveyors - Swadlincote
- Asten Instruments Ltd. - Market Rasen
- Astin Trew - Henley on Thames
- Aston Communications - London
- Astor EMC - Reading
- Astra Circuits Ltd - Bath
- Astrosyn International Technology Ltd. - Chatham
- Astrosystems Ltd. - Wantage
- Astute Electronics Ltd - Ware
- Asysco Plc - Egham
- At Comm Ltd. - Harlow
- AT Engine Controls Ltd - Manchester
- Atb Morley Ltd. - Pudsey
- ATC Semitec Ltd - Northwich
- ATC Systems Ltd - Glenrothes
- Atco-Qualcast Ltd - Stowmarket
- ATEK Technology Ltd - Bristol
- ATG - St Helens
- Atl Transformers Ltd. - Manchester
- Atlantic Electronic Components - Potters Bar
- Atlantic Microwave Ltd - Braintree
- Atlas Clean Air Ltd - Nelson
- Atlas Telecommunications - Brigg
- ATM Technology Management - Woking
- Atomic Programming Ltd - Sheffield
- Atos Origin It Services Uk Ltd. - London
- Atotech (UK) Ltd - West Bromwich
- ATP Instrumentation Ltd - Ashby de la Zouch
- Atraverda Ltd. - Abertillery
- Auckland International Ltd - Canterbury
- Auckland International Ltd. - Harlow
- Audio Design Reading Ltd - Reading
- 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
- Audon Electronics - Nottingham
- Aughton Hire - Runcorn
- 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
- Autobits - Farnham
- Autocall Ltd - Middlesbrough
- Autocar Electrical Equipment Co. Ltd. - London
- Autocare - Blandford Forum
- Autodata Products Ltd. - London
- Autogard (U K ) Ltd. - Walsall
- Autolux Batteries - Staines
- Autolux Ltd. - Leeds
- Automated Cable Solutions Ltd - Swanley
- 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
- AV-Sonix Ltd - Swindon
- Avalon Electronics Ltd. - Shepton Mallet
- Avantech Distribution Ltd - Winsford
- Avanti Power Repairs Ltd - Tadley
- Avcom Systems Ltd. - London
- Avdel (UK) Ltd - Welwyn Garden City
- Avery Weigh-Tronix Ltd. - Smethwick
- Avialec International Ltd. - Petersfield
- Avionicare Ltd - Southend on Sea
- Avionics Mobile Services Ltd. - St Albans
- Aviv Electronics Europe Ltd. - Bedford
- Avk Schrack - Maidenhead
- AVK|SEG (uk) Ltd - Maidenhead
- Avnet Emg Ltd. - Stevenage
- Avon Magnetics Ltd - Christchurch
- Avonline plc - Bristol
- Avonwood Developments Ltd - Wimborne
- AVX Ltd - Fleet
- AWI Ltd - Ryde
- AWS Electronics Group Ltd - Newcastle under Lyme
- AX Distribution - Horsham
- Axair Fans (UK) Ltd - Newcastle under Lyme
- Axess International Ltd. - Daventry
- Axicom Ltd. - London
- Axicon Services Ltd - Bicester
- Axiom Manufacturing Services Ltd - Newport (Gwent)
- Axis Electronics Ltd - Bedford
- Axis Microsystems Ltd - Bridgnorth
- Axis Network Technology Ltd. - Aylesbury
- Axisclaim Ltd. - Hailsham
- Axminster Electronics Ltd - Axminster
- Axon Cable Ltd - Dunfermline
- Axon Components Ltd - Leeds
- Axxess Identification Ltd - Swindon
- Aypex Electronics Ltd - Swansea
- Azcon Component Solutions Ltd - Dartford
- Aztec Circuits Ltd - Portsmouth
- Aztec P C B Design Services - Peacehaven
- AzteQ Solutions Ltd - Hemel Hempstead
- Azure Ltd - Dorchester
- Azzurri Technology Ltd. - Wokingham
