Company Index
- W+S Measuring Systems Ltd - Corwen
- Wadsworth Electronics Ltd - Molesey
- Wafer Technology Ltd - Milton Keynes
- Wago Ltd - Rugby
- Waldmann Lighting Ltd - Leeds
- Walkbury Electronics Ltd - Peterborough
- Walker Electronics Ltd - Newark
- Walker Magnetics UK - Leighton Buzzard
- Wall to Wall Communications Ltd - Wallington
- Walsall Ltd - West Bromwich
- Walsall Transformer Co - Walsall
- Walter Logan and Co Ltd - London
- Walters Group - High Wycombe
Walters OEP Ltd - Kidlington- Wantzen Ltd - Sevenoaks
- Warbrick International Ltd - Knutsford
- Warburton Technology - Wimborne
- Wardle Storeys Ltd - Manningtree
- Wardtronics Ltd - Redditch
- Warlord Electronics Ltd - Turriff
- Warton Metals Ltd - Rossendale
- Warwick Test Supplies Ltd - Kenilworth
- Warwick Wireless Ltd - Hinckley
- Warwick-Evans Optical Co Ltd - London
- Washington Circuits Ltd - Washington
- Watch Hill Ltd - Cockermouth
- Waterfield Electronics Ltd - Manchester
- Waters and Stanton plc - Hockley
- Watford Control Instruments Ltd - Corby
- Watt Power Solutions (UK) - Ely
- Wavelength Electronics Ltd - Broadstairs
- Wavemar Electronics Ltd - Fareham
- Wayfarer Transit Systems Ltd - Poole
- Wayne Kerr Electronics Ltd - Chichester
- WE Instrumentation - Bury St Edmunds
- Weald Electronics Ltd - Horsham
Weber Sensors Ltd - Southport- Webro Cable Connectors - Long Eaton
- Webster Electronics Ltd - Crewkerne
- Weedon Electronics Ltd - Hitchin
- Weee - Recycle Ltd - Luton
- Weilburger Schramm Coatings - Runcorn
- Weird Wire - Lincoln
- Weiss Gallenkamp Ltd - Loughborough
- Weldcare - Nottingham
- Wellman Defence Ltd - Portsmouth
- Welsh Electronics Forum - Swansea
- Weltec Systems (UK) Ltd - Letchworth
- Welwyn Components Ltd - Bedlington
- Welwyn Garden Alarms Ltd - Hatfield
- Wemtech CTS Ltd - Birmingham
- Wenade EU Ltd - Blyth
- Wenglor Sensoric UK Ltd - Corby
- WERMA (UK) Ltd - Kettering
- Wessex Electronics Ltd - Bristol
- Wessex Packaging Salisbury Ltd - Salisbury
- Wessex/CDT - Ringwood
- West AV Solutions Ltd - Fareham
- West Coast Cables Ltd - Largs
- West Instruments - Brighton
- West London Electric (Acton) Ltd - London
- West London Security - London
- West Yorkshire Eroders Ltd - Keighley
Westbury Control Systems Ltd - Coalville- Westcon UK - Slough
- Westel - Basingstoke
- Westelec Connectors Ltd - Nottingham
- Westermo Data Communications Ltd - Southampton
- Western Digital (UK) Ltd - Leatherhead
- Westfield Distribution Ltd - Hungerford
- Westinghouse Rail Systems Ltd - Chippenham
- Westlairds Ltd - Slough
- Westlake Components International - Herault
- Westland Helicopters Ltd - Yeovil
- Westman Systems Ltd - Bridgwater
- Westmont Systems Ltd - Edinburgh
- Weston Communications - Leeds
- Westpoint Peripherals Ltd - Bristol
- Westside Supplies Ltd - Bognor Regis
- Westwire Harnessing Ltd - Swindon
- Westwood Rock Ltd - Maidenhead
- Weyfringe Barcode and Labelling Systems - Redcar
- WG and R UK Ltd - Huddersfield
- WGA Industrial Control Equipment Ltd - Bicester
- WH Kemp (Electrics) Ltd - Westbury
- Wharton Electronics - Thame
- Whingate Test Services Ltd - Wimborne
- Whipp and Bourne - Rochdale
- Whippendell Precision - 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 and Wilson Ltd - Basingstoke
- Wieland Electric Ltd - Guildford
- WIKA Instruments Ltd - Redhill
- Wildtrax Electronics - Worthing
- Williams Teknix - Waterlooville
- Willow Technologies Ltd - Lingfield
- Willow Vale Electronics Ltd - Birmingham
- Wilson Alarms - Shrewsbury
- Wilson Process Systems Ltd - Hastings
- Wilts Wholesale Electrical Co Ltd - Trowbridge
- Windcrest - Wembley
- Windmill Software Ltd - Manchester
- Windrush Technology Ltd - Witney
- Winkelmann Ltd - Crawley
- Winkworth Machinery Ltd - Reading
- Winslow Adaptics Ltd - Brecon
- Winsom Electronics Ltd - Wincanton
- Winston Windings Ltd - Molesey
- Winter and Smith (Electronics) Ltd - Rochester
- Wire Electric Supplies Ltd - Wolverhampton
- Wire Mesh Fabrications Ltd - St Helens
- Wirefield Ltd - Eastleigh
- Wireless Fibre Systems - Livingston
- Wireless Information Network (WIN) Ltd - High Wycombe
- Wirewell Electronic Services - Royston
- Wisbech Electrical Ltd - Wisbech
- Wizard Amusements - Surbiton
- WL Gore and Associates (UK) Ltd - Dundee
- Woehner (UK) Ltd - Doncaster
- Wood and Douglas Ltd - Tadley
- Woodgrange Batteries Ltd - London
- Woodhead Connectivity - Ebbw Vale
- Woodhead Connectivity Ltd - Ebbw Vale
- Woodsons of Aberdeen Ltd - Aberdeen
- Woolmans Ltd - Sudbury
- Worldmark International Ltd - East Kilbride
- Worldwide Business Solutions - Wantage
- Worlifts Ltd - Bromsgrove
- Woven Electronic Components Ltd - Salisbury
- WPS Electronics - Ashford
- Wragby CB and Electrical - Market Rasen
- Wraysbury Tyres - Whyteleafe
- Wrekin Circuits Ltd - Telford
- WRL Consultancy Ltd - Stockport
- WS2 Coatings Ltd - York
- WStore UK Ltd - Farnham
- WT Henley Ltd - Gravesend
- WT Products Ltd - Leeds
- WTC (UK) Ltd - Peterborough
- Wurth Electronics UK Ltd - Manchester
- Wurth Elektronik CBT (Circuit Board Technology) - Manchester
- Www Battery Co Uk - Farnham
- Wye Technology - Longhope
- Wylex (Electrium Sales Ltd) - Cannock
- Wyretech Ltd - Hinckley
- Wyvern Mouldings Ltd - Malvern
