| Company | Region | Expertise | |
| Mechatherm International | UK | Aluminium and Steel | |
| Peiler Montanwärme | Germany | Recuperators | |
| WS-Wärmeprozesstechnik | Germany | Combustion Specialists | |
| Pyronics Incorporated | Cleveland, USA | Industrial Combustion Systems | |
| Resistalloy International | UK | Electric Strip Element Heating | |
| TTG | USA | Alloy Dry Skids | |
| Flare Industries Incorporated | Texas, USA | Flare Ignition Systems | |
| Motherwell Bridge Limited, UK | United Kingdom | Gasholders & Fuel Storage Tanks |