Bedrift M - Lierskogen
- Makela AS
- Martin
- Match
- Miadental AS
- Mimea AS
- Marit Christensen
- Marit Borgersen
- Mathisen Multitasking
- Mæhlum Consult
- Mirza Invest
- Miadental AS Tvangsavviklingsbo
- Metallhuset Bergsøe AS
- Marianne Larsen
- Maria Horgen
- Marmotec AS Konkursbo
- Metropolen AS Tvangsavviklingsbo
- Metropolen AS Tvangsavviklingsbo
- Miadental AS Tvangsavviklingsbo
- Marte Tveten
- Murseli Lifecoach
- Mina Stokke
- Marius Ovenstad
- Mfr Invest AS
- Marcus Racing AS
- Modemstyring Fsh
- Mester Blomst AS
- Messingmodeller Korsmo
- Medwellbeing AS Konkursbo
- Medwellbeing AS Konkursbo
- Mrexx Verksted
- Mrexx Motor AS
- Meny Liertoppen
- Mix Milkbar
- Mubaraka Housing
- Marmotec AS Konkursbo
- Mester Grønn AS
- McDonald's Liertoppen
- Montér Lier
- Marius Ovenstad
- Morten Krohg
- Maris Transport Pakarna
- Mosaikk Alen Vuckovic
- Marte Klemetsdal Solberg
- Marthe Cecilie Bäckman
- Mollestad Henrik Vicente
- Ml 220 Holding AS
- Montørklubben Caverion Lier
- Marianne Hirsti-Kvam
- Mercy Narinder Kaur
- Mal og Bygg AS
- Marketing & Pr Guttormsen
- Miljøpartiet de Grønne Lier
- Multi Bygg og Eindom AS
- Mester Grønn AS Avd 900 Hovedkontoret
- Mester Grønn AS Avd 800 Kundesenter
- Mester Grønn Liertoppen Kjøpesenter
- Murmester Stryken og Gudbrandsen AS
- Mal og Bygg Service AS
- Mn Dressage Marit H Nielsen
- Mind Body Spirit Pamela Haugeland
- Maria Design Håndstad, Anima Energi Håndstad