| LA SOCIETE FRANCAISE D'ENTREPRISES DE DRAGAGES ET DE TRAVAUX PUBLICS - S.A. | | | |
| LA SOCIETE DE PARTICIPATION D'ENTREPRISES (SOPE)- S.A. - ANCIENNE DENOMINATION : HERSEN | | | |
| LA SOCIETE AUXILIAIRE DE TRAVAUX TECHNIQUES POUR LE BATIMENT ET LES TRAVAUX PUBLICS - S.A.T.T.E.C.- S.A.R.L. | | | |
| M. CHABERT GEORGES | | 1936-05 | Chief Executive Officer |
| M. FIEVET BERNARD HENRI | | 1909-07 | Director |
| M. OULES JACQUES | | 1927-03 | Director |
| M. TISSIER JEAN MICHEL MARIE | | 1937-06 | Chairman of the Board of Directors |
| M. VALLA BARTHELEMY CLAUDE | | 1932-10 | Statutory Auditor |
| MAITRE CHASSAGNON ALBERT | | | Director |