Company Index - W
- W & J Smith (Metal Stockists) Ltd. - Willenhall
- W & S Allely Ltd. - Chippenham
- W & S Allely Ltd. - Gillingham
- W Campbell & Son Ltd. - Hull
- W Corbett & Co. (Galvanizing) Ltd. - Telford
- W Hallam Castings Ltd. - Doncaster
- W Kitchen (Galgate) Ltd. - Lancaster
- W & D Peddie Ltd. - Perth
- W & G Pollard Ltd. - Accrington
- W & K Precision Engineering - Driffield
- W & M Burden - Birmingham
- W & M Joinery - Nelson
- W & P Blinds - Cambridge
- W A McGarrie & Son Ltd. - Perth
- W A C McCandless (Engineers) Ltd. - Belfast
- W A Carr (Engineering) Ltd. - Sheffield
- W A G Engineering - Smethwick
- W A S P Ltd. - Chester
- W Allan W & Son Scrap Metal - Carlisle
- W and GW Garratt Ltd - Sheffield
- W and H Engineering Ltd - Leigh on Sea
- W B Powersource Ltd. - West Bromwich
- W B Precision Engineering - Nottingham
- W B Turnbull - Cornhill On Tweed
- W Bentley - Great Yarmouth
- W Bibby & Co. - Neston
- W Butler - Chatham
- W C Evans & Sons (Engineers) Ltd. - London
- W C R U K Ltd. - Chesterfield
- W Collins - Rotherham
- W D Steel Co. Ltd. - Sheffield
- W D Davis & Son - Haverfordwest
- W D Fabrics - Leicester
- W D M Engineering - Caerphilly
- W Drain - Hyde
- W E Bates Ltd. - Southam
- W E Couplings Ltd - Chorley
- W E S Ltd. - Basingstoke
- W F Barber - Chalfont St Giles
- W F Home Fashions - Accrington
- W Farthing & Sons - Benfleet
- W G Gosling & Sons (Ipswich) Ltd. - Ipswich
- W G & R Engineering Services Ltd. - Halifax
- W G Banham & Sons - Diss
- W G Dear - Hitchin
- W G Knight & Son - Boston
- W Gordon Scott & Co (Fire Extinguishers) - Middlesbrough
- W H Capper (Uk) Ltd. - Warrington
- W H Chaloner & Son Ltd. - Wrexham
- W H Dale Ltd. - Ulceby
- W H Davis Ltd. - Mansfield
- W H Fluidpower Ltd. - Ellesmere Port
- W H Hill & Son (Holloware) Ltd. - Stourbridge
- W H Tildesley Ltd. - Willenhall
- W H B Engineering Ltd. - Hitchin
- W H Booth & Co. Ltd - Dronfield
- W H Clarke Engineering Ltd. - Chesterfield
- W H Greaves & Son (Electroplaters) - Sheffield
- W H Paterson - Cockermouth
- W H Pettit & Co. (Long Eaton) Ltd. - Nottingham
- W H Rea Engineering - Antrim
- W H Rooke & Co. (Redditch) Ltd. - Redditch
- W Hall Ltd. - Newtownabbey
- W Hall R& Son - Burford
- W Hamilton & Son - Motherwell
- W J Collins Distribution Ltd. - Newtownabbey
- W J Hunter & Co. Ltd. - North Shields
- W J L Engineering Ltd. - Cradley Heath
- W J Manufacturing - Spalding
- W J Martin & Son Ltd. - London
- W J Redden & Sons Ltd. - Wellingborough
- W K Norris - Worthing
- W K W Precision Engineering Co. Ltd. - Halifax
- W Kelly & Sons - Liverpool
- W Kennedy - Bacup
- W King & Sons - Horley
- W L Jones (Engravers) Ltd. - Ulverston
- W L R Prototype Engineers Ltd - Nottingham
- W M E C Ltd. - Chichester
- W M Ironwork - Barnstaple
- W M L Engineering Ltd. - Swansea
- W Mages (Rewinds) Ltd. - Cheddar
- W Milner & Co. - Keighley
- W N Ltd. - Shifnal
- W N R Engineering - Belfast
- W P A Furnaces & Engineering Projects Ltd. - Wednesbury
- W Patterson Blacksmith - Crieff
- W Prosser - Worcester
- W R Associates - Uxbridge
- W R Clark & Co. (Engineers) Ltd. - Chesterfield
- W R Roberts & Sons - Northwich
- W R Simpson & Son Ltd. - Belfast
- W R W Engineering Co Ltd - Walton on Thames
- W Rackley & Co - London
- W Rowlands - Bury
- W S Abbotts (Press Work) Ltd. - Birmingham
- W S Weir - Peebles
- W S Atkins Northen - Moor Row
- W S Atkins Wales - St Asaph
- W S Reid Ltd - Wigton
- W S Scrap Metals - Templecombe
- W S Wood Machinery - Coatbridge
- W Shuttleworth & Co. (Metal Workers)Ltd. - Oldham
- W Stay and Son Ltd. - Sandown
- W T Fabrications Ltd. - Manchester
- W T H Engineering Ltd. - Gloucester
- W T Henley Ltd. - Erith