| OKASOLAR W
VR-Bank Schweinfurt - Branch Sennfeld
| OKAWOOD
Lufthansa Training & Conference Center
| OKAPANE
Vocational Training Center BMW AG
| OKALUX K
Double Sports Hall - High School Nordhorn
| OKATECH
Traffic Center Deutsches Museum - Eastern Building
| OKAWOOD
Johannes Wesling Clinic
| OKASOLAR F
Profilmetall Engineering GmbH
| OKASOLAR W