Indicatively:
- AGS Cappalavori (Italy)
- Chris Nabold (Switzerland)
- Cresco (Italy, Belgium, Australia)
- HSoft (China)
- ICE (Italy)
- Projenia – STI (Italy)
- Research Engineers (Germany)
- Ruben Ramos (Chile)
- Snamproggeti – SIO (Italy)
- Stone Webster – Technip (UK)