| OKAGEL
ZAE - Energy Efficiency Center
| OKASOLAR W
"Shalom Europa" - Jewish Civic- and Cultural Center
| OKASOLAR W
Museum of Arts
| OKATECH
"ZeitHaus der Autostadt"
| OKAWOOD
College Wiesbaden
| OKA X
Entrance Door Protestant Church
| OKALUX K
BallhausForum
| OKALUX K