| Christian VAN OSSELAER |
FLORINVEST, Villers-le-Bouillet |
| CHRISTIAN VAN OSSELAER |
BIOBEST GROUP, Westerlo |
| Christian Van Osselaer |
Blue Star Chemicals, Villers-le-Bouillet |
| Christian Van Osselaer |
B.S.C., Villers-le-Bouillet |
| Christian Van Osselaer |
ENZYBEL INTERNATIONAL, Villers-le-Bouillet |
| Christian Van Osselaer |
ENZYBEL PHARMA, Villers-le-Bouillet |
| Christian Van Osselaer |
Société d'Etudes Techniques au Hainaut, Waterloo |
| Christian Van Osselaer |
Sotecna, Waterloo |
| Christian Van Osselaer |
AQUATIC SCIENCE, Herstal |
| Christian VAN OSSELAER |
BIOTRAC, Rixensart |