Company Index - W
- W G & R U K Ltd. - Huddersfield
- W G A Industrial Control Equipment Ltd. - Bicester
- W H Kemp (Electrics) Ltd. - Westbury
- W J Furse & Co. Ltd. - Nottingham
- W T Products Ltd. - Leeds
- W T Henley Ltd. - Erith
- W+S Measuring Systems Ltd - Corwen
- W.E. Instrumentation Ltd - Bury St Edmunds
- Wafer Technology International Ltd - Milton Keynes
- Wago Ltd. - Rugby
- Waldmann Lighting Ltd. - Leeds
- Walkbury Electronics Ltd. - Peterborough
- Walker Electronics Ltd. - Newark
- Wall to Wall Communications Ltd - Sutton
- Walsall Inductive Components Ltd - Walsall
- Walsh John David - Chelmsford
- Walter Logan and Co Ltd - London
- Wantzen Ltd - Sevenoaks
- Warburton Technology - Wimborne
- Warlord Electronics Ltd - Turriff
- Warton Metals Ltd. - Rossendale
- Warwick Test Supplies Ltd - Lutterworth
- Warwick Wireless Ltd - Hinckley
- Warwick-Evans Optical Co. Ltd. - London
- Waterfield Electronics Ltd - Manchester
- Waters & Stanton Plc - Hockley
- Watersavers - Norwich
- Watford Control Instruments Ltd - Corby
Wavelength Electronics Ltd - Broadstairs- Wavemar Electronics Ltd. - Southampton
- WaveTame Technologies Ltd - Hartfield
- Wayfarer Group Ltd. - Poole
- Wayne Kerr Electronics Ltd - Chichester
- Weald Electronics Ltd. - Horsham
- Wearnes Cambion Ltd - Hope Valley
- Weber Sensors Ltd. - Southport
- Webro Cable Connectors - Long Eaton
- Webster Electronics Ltd - Crewkerne
- Weedon Electronics Ltd - Hitchin
- Weee - Recycle Ltd - Luton
- Weighwright - Portsmouth
- Weilburger Coatings (Uk) Ltd. - Runcorn
- Weird Wire Co. Ltd. - Lincoln
- Weiss Gallenkamp Ltd - Loughborough
- Weldcare Ltd. - Nottingham
- Welsh Electronics Forum - Swansea
- Welwyn Components Ltd. - Bedlington
- Welwyn Garden Alarms Ltd. - Hatfield
- Wemtech Ltd - Birmingham
- Wenglor Sensoric Ltd. - Kettering
- WERMA (UK) Ltd - Kettering
- Wessex Packaging Ltd. - Salisbury
- Wessex Technical Products Ltd - Eastleigh
- Wessex/CDT - Ringwood
- West Av Solutions Ltd - Fareham
- Westcon Group European Operations Ltd. - Slough
- Westdev Ltd - Tewkesbury
- Western Digital (U K) Ltd. - Leatherhead
- Westfield Distribution Ltd - Hungerford
- Westlairds Ltd. - Slough
- Westlake Components International - Herault
- Westland Helicopters Ltd. - Yeovil
- Westmont Systems Ltd - Inverkeithing
- Weston Communications Ltd. - Leeds
- Westpoint Peripherals Ltd. - Bristol
- Westside Supplies Ltd - Bognor Regis
- Westwire Harnessing Ltd. - Swindon
- Westwood Rock Ltd - Maidenhead
- Weyfringe Barcode and Labelling Systems - Redcar
- Wheeler Monitoring - Abingdon
- Whingate Test Services Ltd. - Wimborne
- Whingate Test Services Ltd. - Wimborne
- Whipp & Bourne Ltd. - Heywood
- Whippendell Electrical Ltd - Watford
- Whistler Technology Plc - Mansfield
- White's Electronics (UK) Ltd - Inverness
- Whiteley Electronics Ltd - Mansfield
- Wholesale Electrics (Jersey) Ltd. - Jersey
- Whyte Chemicals Ltd. - London
- Wicks & Wilson Ltd. - Basingstoke
- WIKA Instruments Ltd - Redhill
- Wildtrax Electronics - Littlehampton
- Willow Technologies Ltd. - Lingfield
- Willow Vale Electronics Ltd - Birmingham
- Wilson Alarms - Shrewsbury
Wilson Process Systems Ltd - Hastings- Wilts Wholesale Electrical Co. Ltd. - Trowbridge
- Windrush Technology Ltd - Witney
- Winkelmann (U K) Ltd. - Crawley
- Winsom Electronics Ltd. - Wincanton
- Winston Windings Ltd. - West Molesey
- Winter & Smith (Electronics) Ltd. - Rochester
- Wipac Ltd. - Buckingham
- Wire Electric Supplies (WES) Ltd - Telford
- Wirefield Ltd. - Fareham
- Wireless Information Network Ltd. - High Wycombe
- Wirewell Electronic Services Ltd. - Royston
- Wisbech Electrical Ltd. - Wisbech
- Wise Contractor Services - Coventry
- Witton Chemical Co Ltd - Bury St Edmunds
- Wizard Amusements Ltd. - Surbiton
- WL Gore and Associates (UK) Ltd - Dundee
- Woehner (UK) Ltd - Doncaster
- Wood & Douglas Ltd - Tadley
- Woodsons of Aberdeen Ltd. - Aberdeen
- Woolmans Ltd - Bures
- Worlifts Ltd - Bromsgrove
- WOTbOX Ltd - Whitstable
- Wrekin Circuits Ltd. - Telford
- WRL Consultancy Ltd - Stockport
- WS2 Coatings Ltd - York
- WStore UK Ltd - Farnham
- WTC (UK) Ltd - Peterborough
- Wurth Electronics UK Ltd - Salford
- Wurth Elektronik CBT (Circuit Board Technology) - Salford
- Www Battery Co. Uk Ltd. - Farnham
- Wyretech Ltd - Hinckley