| Jacques Bertrand |
Cartoflex Windows, Gent |
| Jacques Bertrand |
WINDOCO, Kortrijk |
| Jacques Bertrand |
ULTIMA SYSTEMS, Gent |
| Jacques Bertrand |
INVITA, Beveren |
| Jacques Bertrand |
INVITA-WINDOCO, Beveren |
| Jacques BERTRAND |
BUILDING ENGINEERING CONSULTANTS INTERNATIONAL, Tienen |
| Jacques BERTRAND |
B.E.C. International, Tienen |
| Jacques Bertrand |
INVITA-WINDOCO, Beveren |
| JACQUES BERTRAND |
PSUtec, Ferrières |
| Jacques BERTRAND |
BUILDING ENGINEERING CONSULTANTS INTERNATIONAL, Tienen |
| Jacques BERTRAND |
B.E.C. International, Tienen |
| Jacques BERTRAND |
, |
| JACQUES BERTRAND |
POLYVALENCE CONSTRUCTION, Courcelles |
| Jacques Bertrand |
Jacri, Ganshoren |
| JACQUES BERTRAND |
INVITA, Beveren |
| Jacques Bertrand |
DUURZAAM HERSTEL, Beveren |
| JACQUES BERTRAND JACQUES |
INVITA-WINDOCO, Beveren |