| COLSON | MICHEL | 1949-03 | Partner with Unlimited Liability |
| COLSON | MARIE-JOSEPHE | 1942-03 | Partner with Unlimited Liability |
| COLSON | MARGUERITE | 1946-10 | Partner with Unlimited Liability |
| COLSON | LOUIS | 1940-03 | Manager |
| COLSON | JEAN | 1935-12 | Partner with Unlimited Liability |
| COLSON | JACQUES | 1945-04 | Partner with Unlimited Liability |
| COLSON | FRANCOIS | 1938-11 | Partner with Unlimited Liability |
| COLSON | ETIENNE | 1944-03 | Partner with Unlimited Liability |
| COLSON | DAMIEN | 1956-10 | Partner with Unlimited Liability |
| COLSON | BERNARD | 1937-05 | Partner with Unlimited Liability |
| DIDRY | MARTINE | 1945-09 | Partner with Unlimited Liability |
| GOUDOT | RAYMOND | 1932-02 | Partner with Unlimited Liability |