| THIEFFRY FRERES & CIE | | | |
| ARTIGUE | JEAN-FRANCOIS | 1950-01 | Partner with Unlimited Liability |
| HANNEBICQUE | GONZAGUE | 1962-12 | Partner with Unlimited Liability |
| MORMENTYN | THIERRY | 1963-07 | Partner with Unlimited Liability |
| OBRY | PAUL | 1926-03 | Partner with Unlimited Liability |
| ROUSSEL | JACKIE | 1948-11 | Partner with Unlimited Liability |
| THIEFFRY | JEAN-SEBASTIEN | 1958-09 | Partner with Unlimited Liability |
| THIEFFRY | ALAIN | 1949-08 | Partner with Unlimited Liability |
| VAN | BRABANDT | 1972-12 | Partner with Unlimited Liability |
| VAN BRABANDT | GUILLAUME | 1975-06 | Partner with Unlimited Liability |