M.a.g. Consultante-Optique International (g.t.) Inc.
M/k Real Estate Inc.
M2d Innovations Inc.
M3c Solutions Inc.
MA2 conseil inc.
Machinemas Inc.
Machinerie Feuiltault Canada Inc.
Machinerie Indco R. G. Ltee
Machinerie Tristan Inc.
Madac Magog Entreprises Inc.
Madvac Inc.
Maetta Sciences Inc.
Magasin Robert Ouellette Inc.
MagChem Inc.
Magnéto-Laval Inc.
Magnor Inc.
Magnugesco Inc.
Magnus Chemicals Ltd.
Maison Murfab Inc.
Major Box Inc.