M.P. Eco Mechanical Process Inc.
M.R. Security & Investgations Ltd.
M.r.c. Aviation Ltd.
M.r.s. Controls Inc.
M.u -J. Investments Ltd.
M.w. Petruk Holdings Ltd.
M1 Evolutions Inc.
M1 Synergy Inc.
M3 Technology Solutions Ltd.
M4i Information Industries Incorporated
MAALIK-LNG Corporation
Maalsa Investments Ltd.
MAC Engineering Inc.
Mac Plastics Ltd.
MacAlister Ventures Incorporated
MacBeer Solutions LTD.
Macdonald Bros. Metal Fabricators Ltd.
MacDonald Warne Media Corp.
MacEachern's Automation & Controls Ltd.
Macgregor Rae Management Inc.