Firma M - Vinterbro
- Modman AS
- Metnor AS
- Michelik AS
- Maria
- Miljøgrenda AS
- Molcanov
- Mikemedia1 AS
- Maik AS
- Marina AS
- Miljøgruppen AS
- Manageit AS
- Maren Baarlid
- Maren Baarlid
- Mbi Group AS
- Multi-Teknikk AS
- Mx2 Sprinkler AS
- Milli Heat AS
- Mgk Management AS
- My Invest AS
- Midtbø Transport AS
- Mette Ryen
- McDonald's Nygårdskrysset
- Meskestad Holding AS
- Motak Maler
- Match Vinterbro
- Marcel Matara
- Mikhail Aheyeu
- Mihejevs Maksisms
- Mimaki Holding AS
- Minmax Invest AS
- Monika Ostrowska
- Maske AS Avd Vinterbro
- Magone Vedlikehold
- Ms Transport
- Martin Østby AS
- Mystuff Norge AS
- Mirka Scandinavia NUF
- Melkeberg Eiendom
- Marine Teknikk
- Malertjenester Sami
- Mobech Regnskap
- Møbelringen Follo
- Målfrid Bleka
- Malin Skindlo
- Marineservice Jakobsen AS
- Marianne Kise
- Mørkhagen Fotografi
- Miras Embaye
- Mæland Geir
- Magic Vinterbro AS
- Maske AS - Vinterbro
- Miroslaw Mieczyslaw Kozlik
- M-M Bekken
- Mb Vinterbro Avd 119
- Mr Fixer Johannesen
- Maria Antonina Obojska
- Marek Andrzej Serwicki
- Michal Marcin Popczyk
- Malermester Wroldsen M
- Malekinahar Mister Minit
- Maxbo Nygårdskrysset Stormarked
- Mina Marie Authen
- Marindus Ingar Seiersten
- Medic Service Wollum
- Mariusz Kmg Zych
- Mie Tingstad Healing
- Mette Barfelts Bøker
- Midtun - Sui Generis
- Mette Thea Oskarsen
- Mister Minit Malekinahar
- Moberg Energi Konsult
- Melby gård og Gartneri
- Mølle Kraft og Eiendom AS
- Magic Moments Arve Stallvik
- Mia Consulting Stig Adolfsen
- Mister Minit Vinterbro Senter
- Mezcal Muzic Record Label Græsvik
- M 71 Bygg Magnus Larsson
- Marius Ekspress Mariusz Michal Bochenek
- Mørch Styling Hennie Marie Mørch Sandersen
- Mira Mark Halvorsen Mira Jeanette Bech-Halvorsen
- Musikkrommet Komposisjon og Lyd- Produksjon Per Christian Halvorsen