| Ensemblier industriel |
General contractor |
| Bureau d'études |
Engineering office |
| Charpentes métalliques | Steelworks |
| Tuyauteries | Piping |
| Mécaniques | Mechanical |
| Electricité | Electricity |
| Automation et supervision | Automation and supervision |
| Instrumentation | Instrumention |
| Montage et mise en service |
Erection and commissioning |
| ... |
... |
