Philippe-Jean Garnier

Cofathec SA provides industrial maintenance, heating, ventilation, air conditioning, and facility management services. It provides general maintenance services including valves refurbishing, pumps and rotating machines revision, and industrial boilers overhaul and repair, burners tuning, repair, and replacement. The company offers services through subsidiaries including Cofathec Services, Cofathec Omega, Cofathec en Italie, Cofathec au Royaume-Uni, and Cofathec Benelux. It was founded in 1994 by Jean-Paul George and is headquartered in Saint-Ouen, France.

GRTgaz SA provides distribution and transportation of natural gas. The firm also provides transmission services on behalf of natural gas shippers, natural gas suppliers on the French market or traders who buy and sell natural gas on the European markets. The company was founded on January 1, 2005 and is headquartered in Bois-Colombe, France.