| AC Cars |
| Ashbury Railway Carriage and Iron Company Ltd |
| Bombardier Prorail (Horbury) |
| British Rail Engineering Limited |
| Brown, Marshalls and Co. Ltd. |
| Charles Roberts and Co. |
| Charles Roberts Wagonworks |
| Cravens |
| Derby Litchurch Lane Works |
| Faverdale Wagon Works |
| Gloucester Railway Carriage and Wagon Company |
| Hopetown Carriage Works |
| Horbury railway works |
| Hurst Nelson |
| Laycock Engineering |
| Leyland Motors |
| List of products of the Gloucester Railway Carriage and Wagon Company |
| Metro-Cammell |
| G.F. Milnes & Co. |
| Pressed Steel Company |
| Procor (UK) |
| Siemens Goole |
| Union Construction Company |
| United Electric Car Company |
| Vivarail |
| Walker Brothers (Wigan) |
| Yorkshire Railway Wagon Company |