Oteha Valley School
- Medallion Drive, Albany, North Shore
Otis Elevator Company Ltd
- 3 Fisher Crescent, Mt Wellington, Auckland
Otautau Tractor & Machinery 2013 Ltd
- 152 Main Street, Otautau, Invercargill
Otorohanga District Council
- 17 Maniapoto Street, Otorohanga, Waikato
Otumoetai Intermediate
- Charles Street, Otumoetai, Tauranga
Otunui School
- Otunui North Road, Otunui, Taumarunui