Different Organizations within OCC building
South Building
North Building
| 8F | Rental room（811） |
|---|---|
| 7F | Geijutsuzokei Research Institute Japan Art therapy association |
| 6F | Japan Christian federation of early childhood care and education RCJ Media Ministry OMF International Shared Office（615） |
| 5F | TAC Ochanomizu Associates、Ochanomizu International School JIFH BGEA ＤＲＣnet |
| 4F | Rental rooms（411、415、416） |
| 3F | FIDR JCFN（Japanese Christian Fellowship Network） JOMA JHA Arthur Hollands Ministries Social insurance labor consultant office |
| 2F | Deli France |
| 1F | Deli France |
| B1 | Parking |