TSF Arvor (56-22-29)

TSF Breizh (35)

TSF Atlantique (44-85)

TSF Maine Laval (53)

TSF Maine Le Mans (72-49-37)

TSF Maine Angers (49)

TSF Normandie (14-50)

MPLS (69-71-42-01-26)

Bel O Pur Services
(85-49-44-53-72-37-41-28-61-14-50-35-56-22-29-17-79-76-26-86)

TSF Cryogénie (35-56-22-29)

TSF Ramonage (53)

Techninet Décapage Services (85-49-44-17-79-86)

TSF 3D (49-53-72-37)