Mercury Energy Limited
- 602 Great South Road, Greenlane, Auckland
Meter Controls Limited
- 54E Sir William Avenue, East Tamaki, South Auckland
Medifab Medical Fabrication
- 7/9 Allens Road, Allenton, Ashburton
Mercury Projects Ltd
- Ground Level, 90 The Terrace, Wellington
Metermaster NZ Ltd
- 180 Great South Road, Takanini, South Auckland
Meditrain Ltd
- 21 Church Street, Onehunga, Auckland