ABB BOUYGUES CEGELEC CLEMESSY CTEAM EDF Enedis ETDE FORCLUM FOURNIER GROSPAUD HYDRO QUEBEC HYLEC INEO GDF SUEZ NEXANS OMEXOM Preising PRYSMIAN RTE SEGURINSA SERPOLLET SFE SIEMENS SILEC SNEF SPIE THEPAULT VINCI