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| Myhra Maskinverksted AS | Bø I Telemark | 2012 |
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| Myhre Metalshaping AS | Hafrsfjord | 2024 |
| Myhre Skilt AS | Nesttun | 2005 |
| Myhre Smie AS | Dokka | 2021 |
| Myhres Røkeri AS | Myre | 2019 |
| Myk Holding AS | Moltustranda | 1976 |
| Myken Destilleri AS | Myken | 2013 |
| Mykjå Motor AS | Røyksund | 2019 |
| Myklaberget AS | Sandnes | 2015 |
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| Myklebust Maritime AS | Gursken | 2000 |
| Myklebust Mekaniske AS | Svelgen | 2016 |
| Myklebust Verft AS | Gursken | 2001 |
| Myklebust Verft Invest AS | Gursken | 2017 |
| Myklevik Design & Håndverk AS | Vingrom | 2017 |
| Myko Health AS | Flekkerøy | 2026 |
| Mykos AS | Kristiansand S | 2022 |
| Mylife Diabetes Care AS | Lysaker | 2018 |
| Mylna AS | Bekkjarvik | 2020 |
| Mylneriet AS | Volda | 2006 |
| Mymek AS | Myre | 2019 |
| Mymiks AS | Tolvsrød | 2026 |
| Myra Plast AS | Tørdal | 2020 |
| Myrdal Gaard Ysteri AS | Lundegrend | 2023 |
| Myre Fiskemottak AS | Myre | 2005 |
| Myre Maritim AS | Myre | 1995 |
| Myre Saltfish Group AS | Myre | 2010 |
| Myre Sveis- Og Mek. Verksted AS | Myre | 2012 |
| Myremar AS | Myre | 1998 |
| Myren Industriservice AS | Mathopen | 2023 |
| Myrene Hjemmebakeri Arendal AS | Arendal | 2025 |
| Myrene Pizza Invest AS | Arendal | 2017 |
| Myrli Eiendom AS | Løten | 2015 |
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| Myrnes Traktor & Maskin AS | Mosjøen | 2020 |
| Myrsund Mekaniske AS | Spongdal | 2023 |
| Myrudl AS | Vik I Sogn | 2024 |
| Myrvang Tre AS | Hedalen | 2022 |
| Mysen Asfalt AS | Mysen | 2023 |
| Mysen Cementstøperi AS | Mysen | 1991 |
| Mysen Kornsilo Og Mølle SA | Mysen | 1951 |
| Mysen Tannteknikk AS | Mysen | 1992 |
| Mytek AS | Kongsberg | 2021 |
| Mythen Mek Verksted AS | Lillehammer | 2012 |
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| Mz-Dentalteknikk AS | Molde | 2022 |
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| Moelven Treinteriør A/S | Brøttum | 1980 |
| Mälar Sprinkler AB | 168 65 Bromma | 2010 |
| Måge Sider AS | Nå | 2020 |
| Mågerø Opplag Og Båtservice AS | Tjøme | 2007 |
| Måkestad Landbruksservice AS | Nå | 2017 |
| Målselv Mat AS | Karlstad | 2022 |
| Måløy Brew Company AS | Måløy | 2017 |
| Måløy Industrisøm AS | Måløy | 1992 |
| Måløy Smie & Mek Verksted AS | Måløy | 2013 |
| Måløy Verft AS | Deknepollen | 2001 |
| Måndalen Trevare AS | Måndalen | 2013 |
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| Måndalengruppen AS | Måndalen | 2005 |
| Måsøval Harvest AS | Knarrlagsund | 2024 |
| Måsøval Mekaniske AS | Hamarvik | 2013 |
| Måsøval Processing AS | Sistranda | 2024 |
| Mæland Trevare AS | Stavanger | 2024 |
| Mæland-Service AS | Rennesøy | 2022 |
| Mæland-Service Invest AS | Rennesøy | 2022 |
| Mære Sag AS | Sparbu | 2017 |
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| Møbelsnekker Erik Faber AS | Kristiansand S | 2019 |
| Møbelsnekker Heidi Dyrnes AS | Larvik | 2007 |
| Møbelsnekker I&W AS | Oslo | 2025 |
| Møbelsnekker Thomas Saastad AS | Slattum | 2015 |
| Møbelsnekker Ugland AS | Kristiansand S | 2021 |
| MØBELSNEKKER1 AS | Fagerstrand | 2012 |
| Møbelsnekkeren AS | Bremnes | 2008 |
| Møbelsnekkeriet AS | Sylling | 2025 |
| Møbelsnekkermester Mathiesen Ans | Oslo | 1991 |
| Møbelsnekkerne AS | Hokksund | 2025 |
| Møbelsnekkerne Lien & Lian AS | Barkåker | 2011 |
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| Møbelstua AS | Kristiansand S | 2013 |
| Møbeltapetserer Braathen AS | Gjettum | 2012 |
| Møbeltapetsererverkstedet AS | Arendal | 2020 |
| Møbeltapetsering Og Interiør-Søm Liu AS | Vettre | 2018 |
| Møbeltapetseringen AS | Trondheim | 2020 |
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| Møbeltrekkeriet Angvik AS | Angvik | 2009 |
| Møklegaard Eiendom AS | Skjeberg | 2001 |
| Møklegaard Print Shop AS | Rolvsøy | 2001 |
| Møllehuset AS | Tyssebotnen | 1993 |
| Mølleloftet Bakeri AS | Sandefjord | 2026 |
| Møllna AS | Fauske | 2010 |
| Mønnerødveien 1 AS | Sandefjord | 2014 |
| Møre & Romsdal Reklametrykk AS | Molde | 1985 |
| Møre Bånd & Vev AS | Tingvoll | 2010 |
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