Halifax Funeral Home Limited

Hall Visual Systems Ltd.

Halliburton Drilling Fluids Limited

Halliburton Group Canada

Halliburton Group Canada Inc.

Halliburton Services Limited

Halliburton Sperry Drilling Services

Hallmark Tubulars Ltd.

Halstead Holdings Limited

Halva Management Canada Ltd.

Hamilton + Partners Inc.

Hampson - Russell Limited Partnership

Hampsterly Investments Inc.

Hampton Power Systems Ltd.

Hanaken Ventures Inc.

Handal Human Logistics Group Inc.

Handle Tie Pet Scoop Bag Products Inc.

Hankin Atlas Capital Corporation

Hankin Atlas Ozoaqua Limited

Hankin Atlas Ozocool Limited