M-I Drilling Fluids Canada Inc.

M-I Drilling Fluids Canada, Inc.

M. & A. Aaron Holdings Limited

M. A. Lapp & Associates Limited

M. A. Project Controls Inc.

M. C. I. Energy And Water Process Systems Inc.

M. D. Boardman Business Intelligence Inc.

M. E. Moss Holdings Ltd.

M. J. Tompkins And Associates Corporation

M. Kostynuik Endeavors Corp.

M. Private Residences Inc.

M. W. Krahn and Sons Contracting Ltd.

M.A. Steel Foundry Ltd.

M.A.M.I. Movies and Models International Inc.

M.a.p. Data Processing Systems Ltd.

M.d.b.s. Micro Data-Base Systems Ltd.

M.e.s.p. Consumer Services Inc.

M.f.a. Investments Ltd.

M.G. Engineering

M.i. Cable Technologies Inc.