M. & H. Typography Ltd
M. & I. Advertising Specialties International (1987) Inc.
M. & R. Reid Company International Ltd.
M.b. (harold Thaller) Motors Inc.
M.B.S. Montreal Business Software Inc.
M.F. Wirth Rail Corp.
M.f. Wirth Rail Corporation
M.o.t. Intermodal Shipping Inc.
Maadigroup
Maadigroup Inc.
Maafs International inc.
Macdougald And Smith Enterprises Ltd.
Machine Tool Technology Mtt Inc.
Magazines Publicor Canada Inc.
Magcam Inc.
Magenta Photo Concept Inc.
Magenta Photo Création Inc.
Magenta Studio Photo Inc.
Magiscope Inc.
Magistra-Soft Canada Inc.