Bedrift M - Tonstad
- Markedslabben AS
- Monen Gard Da
- Marit Hognestad
- Mydland Vel
- Mydland Kraftverk AS
- Marek Haryza
- Martin Ådneram
- Mariia Skelestiun
- Markjaa Invest AS
- Martin Lindeland
- Mette Hjerrild
- Morten Ovedal
- May Kirsti Haddeland
- Modalsli Rør AS Avd Sirdal
- M Moen Holding AS
- M K H Invest AS
- Modalsli Rør AS, Avdeling Sirdal