- http://www.ok-health.co.nz
- 04 568 7128
- 57 Cuba Street, Petone, Wellington
- http://www.ocg.co.nz
- 09 377 7575
- Level 8 ANZ Centre, 23-29 Albert Street, Auckland
- http://www.okra.co.nz/
- 09 846 6662
- 161 Sandringham Rd, Sandringham, Auckland
- http://www.ocs.co.nz
- 0800 33 23 33
- Level 4, 26 Virginia Avenue, Eden Terrace, Auckland
- http://www.olaschool.co.nz
- 03 338 9503
- 89A Sparks Road, Hoon Hay, Christchurch
- http://www.oderings.co.nz
- 03 332 9099
- 92 Stourbridge Street, christchurch