Onehunga Primary School
- 122 Arthur Street, Onehunga, Auckland
Onduline Building Products
- 8C Marphona Cresent, Takanini,
Onepoto School
- 17 Fraser Avenue, Northcote, Auckland
On the Beach Backpackers Lodge (YHA Whitianga)
- 46 Buffalo Beach Road, Whitianga, Coromandel
On The Point Lake Rotorua
- 214 Kawaha Point Road, Rotorua
Onyx Group Ltd
- 17 The Concourse, Henderson, Auckland
Open Cloud Ltd
- Level 4, 54-56 Cambridge Terrace, Wellington
Flannery Lodge
- Ophir
Optik Eyecare Newmarket
- 2a Gillies Avenue, Newmarket, Auckland
Opra Consulting Group Queens Arcade
- Level 3, Suite 302, Queens Arcade, 34-40 Queen Street, Auckland
OPSM Thames
- 500 Pollen Street, Thames
Optik Eyecare Pukekohe
- 20 Hall Street, Pukekohe
Optimism
- Level 1, 1 Kingdon Street, Newmarket, Auckland
The Optimum Clothing Co. Ltd
- 14 Westech Place, Kelston, Auckland
Opzeeland Transport (Hornby) Ltd – Christchurch Branch
- 12 Mount View Place, Hornby, Christchurch
Oranga School
- 21 Rangipawa Road, One Tree Hill, Auckland
Orange Productions – Exceptional Events Management & Design
- 6 Henderson Place Onehunga
ORB Communications Ltd
- Level 1, 214 Karangahape Road, Auckland