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- Mazing AS Konkursbo
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- Marion Haslien
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- Mrg Eiendom AS
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- Maridalsveien 2 Avd.
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- Mero Holding AS
- Martinsvingen Invest AS
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- Medzone Samar
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- Mj Maskin AS
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- Mm Prosjekt AS
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- Magnus Ravneng Musikk
- Min Bygg AS Konkursbo
- Min Bygg AS Konkursbo
- M Nilsen Consult
- May-Len Nordli
- M.V. Halvorsen
- Mariannes Musikk Ervum
- Marian Kowalski Marys
- Marthe Nebb Nybøle
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- Musikk Sørensen Kristoffer
- Mustafa Bakr Majeed
- Montessoribarnehagen Solsikken Sognestuen AS
- Malermester-Ronny Gulbrandsen AS
- Malermester Buer Østfold AS
- Morten Hansens Akva Import
- Martin Lind Fysioterapi Sørensen
- Mr Engineering - Magnar Ringsrød
- Mm Eson Pac Norway AS
- Mettes Consulting Mette Andersen
- Manpower Staffing Services AS Avd Østfold
- Montørklubben Caverion Østfold syd
- Marinøkolog Iga-M. Nestorowicz
- Moss og Våler Næringspark AS
- Masur Møbelsnekkeri Jan Arve Pettersen
- My Vintage Home Bianca Florina Barza-Svarstad