Otautau School
- Elles Road, Otautau
The Osteopathic Council of New Zealand
- Level 3, Freemason House, 195-201 Willis Street, Wellington
Oteha Valley School
- Medallion Drive, Albany, North Shore
Overland Footwear Centre Place
- Centre Place, 501 Victoria Street, Hamilton
NZ Ostrich Association
- 95 Rakaia Barrhill Methven Road, Rakaia,
Otis Elevator Company Ltd
- 3 Fisher Crescent, Mt Wellington, Auckland
Oxygen Business Solutions Ltd
- 173 Captain Springs Road, Onehunga, Auckland
Dunstan Hospital
- Hospital St, Clyde, Otago
Otautau Tractor & Machinery 2013 Ltd
- 152 Main Street, Otautau, Invercargill