Lysaght Marine Limited
- 72 Harbour Village Drive, Gulf Harbour, North Shore
Lucas Machinery Ltd
- 42 Allens Road, East Tamaki, South Auckland
Macleans College
- Macleans Road, Bucklands Beach, Auckland
MacMillan Slaters & Tilers Ltd
- 242A Orakei Road, Remuera, Auckland
MacNuts Cafe
- 914 South Head Road, Helensville
Macquarie Group New Zealand Ltd
- Level 17, 28 Lumley Centre, 88 Shortland Street, Auckland
MacClures ITM Building Centre
- 256 Swanson Road, Henderson, Auckland
Mac Warehouse
- 177 Parnell Road, Parnell, Auckland
Maddren Timber
- 110 State Highway 16, Kumeu, Auckland
E P Maddren & Sons Ltd (division of fletcher group)
- 110 Main Road, Kumeu, Auckland
Madison Recruitment Management
- Level 6 Corner Queen & Victoria Streets, 203 Queen Street, Auckland
Magdrive Technology Ltd
- 108 Mays Road, Onehunga, Auckland
Magenta Group Ltd
- 66 Kerwyn Avenue, East Tamaki, South Auckland
Magic Screeners Ltd
- 145 Pilkington Road, Panmure, Auckland
Mt Albert Grammar School
- 32 Alberton Avenue, Mt Albert, Auckland
Mahon & Sumpter
- Level 2 Mahon & Sumpter Building, 5 Anzac Street, Takapuna, North Shore
Mahurangi River Winery
- 162 Hamilton Road, Warkworth 0982
Mahurangi Football Rugby Club
- Rodney Showgrounds, 2 State Highway 1, Warkworth