Bedrift M - Herøy
- Møtestedet
- Metalltek AS
- Mazeika Service
- Micks Invest AS
- Mekatron Sandvær
- Mika Eiendom AS
- Montér Herøy
- Meyer Offshore AS
- McA Holding AS
- Malermester Helge Johansen
- Malern Alf Edvardsen
- Marina Brænden Palugod
- M-Tj Holding AS
- Maria Velicu-Vladislav
- Mental Helse Herøy
- Mental Helse Herøy
- Morskogen Gård Hestesenter
- Mowi Avd Slakteri Herøy
- Mowi Avd Matfisk Herøy
- Metsjoe Sea Service
- Made By Annkii Ann-Karin Endersen