All Underground Mining in Canada

Arkbro Industries Ltd.

GMS Mine Repair & Maintenance

Major Drilling Group International Inc.

National Compressed Air

Orica Canada Inc.

Procon Mining & Tunnelling Ltd.

Ritchie Bros Auctioneers

Roktek Services

Schmersal Canada Ltd.

Swick Drilling North America

CB Vent Repair

Hazemag Canada Inc.

Komatsu Mining Corp. Group

RockMass Technologies

J.S. Redpath Limited