Williams Partners L.P.
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Alan S Armstrong, Rory Miller
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Bank of Oklahoma (BOK) Financial Corporation
|
Alan S Armstrong
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American Natural Gas Alliance Inc.
|
Alan S Armstrong
|
American Petroleum Institute
|
Alan S Armstrong
|
Access Midstream Partners, LP
|
Alan S Armstrong
|
Bok Financial Corp
|
Alan S Armstrong
|
Williams Companies, Inc.
|
Alan S Armstrong
|