Westernzagros Resources Ltd.
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John Frangos, Randall Oliphant, Frederick Dyment
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United States Steel Corporation
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Thomas J Usher
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PPG Industries
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Thomas J Usher
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PNC Financial Services Group Inc.
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Thomas J Usher
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H. J. Heinz Company
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Thomas J Usher
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University of Pittsburgh
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Thomas J Usher
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Marathon Petroleum Corporation
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Thomas J Usher
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Obsidian Energy
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David Dyck
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Franco-Nevada Corporation
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Randall Oliphant
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Ivanhoe Energy Inc.
|
David Dyck
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Arc Resources Ltd.
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Frederick Dyment
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Frontera Energy
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David Dyck
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Transglobe Energy Corporation
|
Frederick Dyment
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Ppg Industries Inc
|
Thomas J Usher
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Penn West Energy Trust
|
David Dyck
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New Gold Inc.
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Randall Oliphant
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Marathon Oil Corporation
|
Thomas J Usher
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Tesco Corporation
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Frederick Dyment
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