M-K-Canadian Tools Ltd.

M. B. Siblings Inc.

M. G. Environmental Systems Co. Ltd.

M. I. I. Research & Training Ltd.

M. I. Travel Inc.

M. Kornik Holdings Ltd.

M. T. R. Market Trends Research Corporation

M.a.s.h. Restaurants Inc.

M.j.r. Welding Limited

M.R. Security & Investgations Ltd.

M.u -J. Investments Ltd.

M.w. Petruk Holdings Ltd.

M1 Evolutions Inc.

Mac Plastics Ltd.

Macdonald Bros. Metal Fabricators Ltd.

MacDonald Warne Media Corp.

Mach One Management Limited

Machutchin Investments Ltd.

MacIntosh Canada Inc.

Mackenzie Mountain Holdings Ltd.