20 - Cetech Developpement -> 0
21 - Bureau d'Etudes Jacquet B.E.J. -> 0
22 - GE Power Conversion -> 0
23 - AircraftManship -> 0
24 - Bureau d'étude BE-EcoTherm -> 0
25 - OBITEC -> 0
26 - SF Conseil -> 0
27 - CABINET HBI -> 0
28 - DYG Energy -> 0
29 - CABINET HBI -> 0