Bedrift M - Langesund
- Miljøbølgen AS
- Martinik AS
- Miismo AS
- Mestalaget AS
- Minreisejournal AS
- Mediedrift AS
- Moncherry AS
- Marisøm Lager
- Morten Gusfre
- Malin Pettersen
- Maabø Eiendom AS
- Meretes Hule
- Marniko Holding AS
- Mh Havfiske AS
- Monica Nilsen
- Mustad Utvikling AS
- Mmo Utvikling AS
- Mordi Eiendom AS
- Mettes Brudedesign
- Mmo Holding AS
- Mustad Invest AS
- Madi Invest AS
- Mustad bygg AS
- Marianne Fredriksen Fysioterapi
- Møbeltapetserer Kurt Wittrup
- Musiker Emil Hartveit
- Multiservice Seeberg Halvorsen
- M. Weber Holding AS
- Mustad Vintage Tjenester
- Madsens Fire Flate AS
- Mustad bygg AS - Mesterhus
- Mirre - Miriam Kristine Ottersen
- Ma Chérie Christine Ekman
- Maro International Trading Company AS
- Maris Frisørhjørne Mari T Strand
- Mustad Bygg & Maskintjenester AS Tvangsavviklingsbo
- Mustad Bygg & Maskintjenester AS Tvangsavviklingsbo
- Meggy's Nails By Magdalena Derendal
- Madame Bolette Patch og Gave AS
- Ma Lyd og Lysutleie Martin Andreassen