| OKALUX
Friedrich Ischebeck GmbH
| KAPILUX W
Technical University Dresden
| OKAWOOD
Branch Bank Delmenhorst - Landessparkasse zu Oldenburg
| OKAWOOD
Art Nouveau Bath
| OKATHERM, OKALUX K
Threefold Sports Hall Bühl
| OKAWOOD
Roland Clinic
| OKA X
Heimbs Flagship Store
| OKATHERM