Melville Intermediate
- Mount View Road, Melville, Hamilton
Mercury Energy Limited
- 602 Great South Road, Greenlane, Auckland
Mercury Projects Ltd
- Ground Level, 90 The Terrace, Wellington
MercyAscot – Mercy Hospital
- 98 Mountain Road, Epsom
Mercy Hospital Dunedin Ltd
- 72 Newington Avenue, Maori Hill, Dunedin
Meridian Construction Ltd
- 18 Parity Place, Glenfield, North Shore