M.i.s. Marine Insurance Services Ltd.
M.l.e. Molé Foundation Inc.
M.l.m. Investments Ltd.
M.m.t. Air Display Ltd.
M.P. Eco Mechanical Process Inc.
M.r.c. Aviation Ltd.
M.r.s. Controls Inc.
M1 Synergy Inc.
M4i Information Industries Incorporated
MAALIK-LNG Corporation
Maalsa Investments Ltd.
MAC Engineering Inc.
MacAlister Ventures Incorporated
MacBeer Solutions LTD.
MacEachern's Automation & Controls Ltd.
Machineel International Inc.
Mackay-Morton (western) Limited
Mackenzie Integrated Tubular Solutions Inc.
Maclair Exploration Inc.
Macleod Southland Development Ltd.