1. Shelton Iron & Steel Co. Ltd., Etruria, Staffordshire
2. Stanton & Staveley Ltd.
(a) Holwell Ironworks, near Melton Mowbray, Leicestershire
(b) Ridings Foundry, Alfreton, Derbyshire
(c) Stanton Ironworks near Ilkeston, Derbyshire
3. Stewarts & Lloyds Ltd., Corby Iron & Steel Works, Northants.
1. Briton Ferry Steel Co. Ltd., Albion Steel Works, Briton Ferry
2. John Player & Sons Ltd., Tinplate Works, Clydach-on-Tawe
3. J. & P. Zammitt Ltd., Kidwelly, Carmarthenshire
4. Llanelly Steel Co. Ltd., Llanelly Steelworks, Carmarthenshire
5 Richard Thomas & Baldwins Ltd.
(a) Panteg Steelworks, Cwmbran, Monmouthshire
(b) Swansea Haematite Works, Landore, Swansea
6. Steel Company of Wales
(a) Burry Extension Tinplate Works
(b) Orb Ironworks, Newport, Monmouthshire
1. Consett Iron Co. Ltd., Consett Iron Works, Co. Durham
2. Millom Haematite Ore & Iron Co. Ltd.
(a) Hodbarrow Haematite Mines, near Millom, Cumberland
(b) Millom Ironworks, Millom, Cumberland
3. South Durham Iron & Steel Co. Ltd., Malleable Works, Stockton
4. Workington Iron & Steel Co. Ltd., Moss Bay Works, Cumberland
1. Brown Bayley Steels Ltd., Sheffield, Yorkshire
2. Cochranes (Middlesboro') Foundry Ltd., Ormesby Iron Works, Middlesborough, Yorkshire
3. Dorman Long (Steel) Ltd.
(a) Cleveland Works, Middlesborough, Yorkshire
(b) Dock Street Foundry, Middlesborough, Yorkshire
4. English Steel Rolling Mills Corporation, Openshaw Works, Manchester
5. John Summers & Sons Ltd., Hawarden Bridge Steelworks, Shotton, Flintshire
6. Parkgate Iron & Steel Co. Ltd., Park Gate Works, Rotherham, Yorkshire
7. Slag Reduction Co. Ltd., Woodhouse Mill, Yorkshire
8. Skinningrove Iron Co. Ltd., Garlin How, Yorkshire
9. Warner & Co. Ltd., Iron Refiners, Cargo Fleet, Yorkshire
10. Whitecross Co. Ltd., Warrington Wire Works, Lancashire
Note: Only Locations shown in blue are featured in this website.