Otamatea High School
- Bickerstaffe Road, Maungaturoto
Out West Western Saddlery
- Unit A1 Waimauku Village, 5-15 Factory Road, Waimauku, Auckland
O’Sheas
- 70 Rostrevor Street, Hamilton, Waikato
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