Selection of Current and Past Clients

Apache Corporation
ATCO Ltd.
Capital Power Corporation
Clark Builders
Connacher Oil & Gas Limited
Deer Creek Energy Limited (Total E&P Joslyn Limited)
Delta Hudson Engineering Limited
Diavik Diamond Mines Inc. (Rio Tinto plc)
Enbridge Pipelines Inc.
Encana Corporation
EOG Resources, Inc.
Fluor Corporation
McDermott International, Inc.
OPTI-Nexen
Quintette Coal Limited
Quintette Operating Corporation (Teck Corporation)
Sedgman Limited
Suncor Energy Inc.
Wabi Development Corporation