Marathon Oil Corporation
|
John P Surma
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Sunoco, Inc.
|
William H Easter III
|
United States Steel Corporation
|
John P Surma
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Bank of New York Mellon
|
John P Surma
|
Public Service Enterprise Group
|
John P Surma
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Baker Hughes, a GE company, LLC
|
William H Easter III
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Pioneer Natural Resources Company
|
Darin G Holderness
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Penn State
|
John P Surma
|
University of Pittsburgh Medical Center
|
John P Surma
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Allegheny Conference on Community Development
|
John P Surma
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Dian Graves Owen Foundation
|
Tucker S Bridwell
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Speedway LLC
|
John P Surma
|
Marathon Ashland Petroleum LLC
|
John P Surma
|
Marathon Petroleum Corporation
|
John P Surma
|
Energy Transfer Partners, L.P.
|
William H Easter III
|
Antero Resources
|
W Howard Keenan Jr
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Petrohawk Energy Corporation
|
Tucker S Bridwell
|
Ingersoll-Rand plc (Ireland)
|
John P Surma
|
Mansefeldt Investment Corporation
|
Tucker S Bridwell
|
Delta Air Lines, Inc.
|
William H Easter III
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