| CEME | | | |
| TROIZEF | | | |
| Société Civile ECE et par Abréviation SC ECE | | | |
| AMOR | MAX | 1950-11 | Partner with Unlimited Liability |
| BAILLET | CHRISTOPHE | 1960-04 | Partner with Unlimited Liability |
| BAZIN | CHRISTOPHE | 1961-04 | Partner with Unlimited Liability |
| BRETON | CHRISTIAN | 1949-04 | Partner with Unlimited Liability |
| CHOPIN | GREGOIRE | 1957-10 | Partner with Unlimited Liability |
| DEPARIS | PHILIPPE | 1958-06 | Manager |
| GERMAIN | YVES | 1961-04 | Manager |
| PEIFFERT | BERNARD | 1954-04 | Partner with Unlimited Liability |
| TISSERANT | DANIEL | 1953-02 | Partner with Unlimited Liability |
| TOURRAND | PHILIPPE | 1949-07 | Partner with Unlimited Liability |