References Letters
Suncor Energy Inc (1) (Formerly Petro-Canada)
Suncor Energy Inc (2) (Formerly Petro-Canada)
Suncor Energy Inc.
Suncor Energy Inc. (2)
Encana Corporation (Formerly PanCanadian)
Petrorep Resources Ltd
Shell Ltd
Nexen CNOOC Ltd (Formerly Wascana)
