Parkside Limestone Quarry
- 5D Airedale Road, RD 5, Weston, Oamaru
OA Systems Ltd
- Level 6, 27 Gillies Avenue, Newmarket, Auckland
Obex Medical Ltd
- Level 1, AstraZeneca House, 303 Manukau Road, Epsom, Auckland
B P O’Brien Limited
- 8 Gow Street, Mosgiel, Dunedin
Auckland Obstetric Centre Limited
- Ground Floor, Birthcare Building, 20 Titoki Street, Parnell, Auckland
Oceandry Drysuits Ltd
- 25 Station Road, Wellsford
The Oaks Senior Care Centre
- 88 Main South Rd, Christchurch
Oceania Meat Processors Ltd
- 269 Stafford Street, Timaru
Oceanz Seafood Downtown
- Cnr Jellicoe & Daldy St, Westhaven, Auckland Central
OCG Consulting Ltd Auckland
- Level 8 ANZ Centre, 23-29 Albert Street, Auckland
OCS – Auckland
- Level 4, 26 Virginia Avenue, Eden Terrace, Auckland
Oderings Garden Centre Barrington
- 92 Stourbridge Street, christchurch