All Drilling (CO) in Canada

Icefield Tools Corp.

RST Instruments Ltd.

Roktek Services

Sensors & Software Inc.

Parts HeadQuarters Inc.

ClearView Geophysics Inc.

Diaset Products Ltd.

Terraplus Inc.

Thomas Machinery Ltd.

Canary Systems

M&L Testing Equipment (1995) Inc.

Logan Drilling Ltd.

Mercator Geological Services

Marathon Drilling Co. Ltd.

Caracle Creek International Consulting Inc.

Atelier Val-d’Or Inc.

Thyssen Mining

Roctest

Di-Corp

Pajari Instruments Ltd.

TIME Limited

Major Drilling Group International Inc.

Fordia

MIRARCO – Mining Innovation, Rehabilitation & Applied Research Corp.

Kan-Arm Contracting Ltd

Canuck Drilling Systems Ltd.

Boart Longyear Company