Mactavish Pontiac Buick Gmc Ltd.
Maga Rebuilding Ltd.
Mage Africa Ltd.
Magee Industries Ltd.
Magnetic Hill Golf & Country Club Ltd.
Magnetic Hill Golf Holdings Ltd.
Mai - Tran Group Inc.
Maisonneuve Distributors (maritimes) Inc.
Majer Music
Major Drilling Group International Inc.
Malley Industries Inc.
Malou-Z-Art inc.
Malpec Peat Moss Ltd.
Malpeque Fertilizers Ltd.
Management Consultant Group PM Inc.
Manchester Enterprises Limited
Mandate Erectors & Welding Ltd.
Manoir Adelaide Inc.
Manoir du Nord Inc.
Manpower