| Nicolas Billen |
'T Park Development, Brussel |
| Nicolas Billen |
FONCIERE MONTOYER, Brussel |
| Nicolas BILLEN |
PRIDE ROCK, Genappe |
| Nicolas BILLEN |
PRIDE ROCK, Genappe |
| Nicolas BILLEN |
ESPACE TRIANON, Chaudfontaine |
| Nicolas Billen |
GREEN DOG, Watermaal-Bosvoorde |
| Nicolas BILLEN |
COMPAGNIE IMMOBILIERE DE WALLONIE, Brussel |
| Nicolas BILLEN |
C.I.W., Brussel |
| Nicolas BILLEN |
, |
| Nicolas Billen |
ESPACE NIVELLES, Brussel |
| Nicolas BILLEN |
BELLA VITA, Brussel |
| Nicolas Billen |
GATEWAY, Brussel |
| Nicolas BILLEN |
THE GREEN CORNER, Sint-Pieters-Woluwe |
| Nicolas Billen |
RAC 4, Oudergem |