| OKAWOOD
Art Nouveau Bath
| OKATHERM, OKALUX K
Threefold Sports Hall Bühl
| OKAWOOD
Roland Clinic
| OKA X
Heimbs Flagship Store
| OKATHERM
Hippopotamus - Zoological Garden
| OKATECH
Dutch Embassy
| OKATHERM
B4/B6 Headquarters debis AG
| OKASOLAR S
All references