| Aluminium Federation (ALFED) |
|
| British Industrial Furnace Constructors Association (BIFCA) |
|
| British Stainless Steel Association (BSSA) |
|
| British Standards Institution (BSI) |
|
| Contract Heat Treatment Association (CHTA) |
|
| Copper Development Association (CDA) |
|
| International Federation for Heat Treatment and Surface Engineering (IFHTSE) |
|
| Surface Engineering Association (SEA) |
|
| The Welding Institute (TWI) |
|
| UK Steel |
|
| |
|
| |
|
