V

Vaalco Energy (U.S.A.) Inc.
Valence Operating Co.
Van Horne Oil & Gas Ltd.
Vastar Resources Inc.
Venus Exploration Inc.
Vessels Oil and Gas Co.
Vintage Oil Ecuador SAM.
Virginia B Cummings Estate
Vista Resources Inc.
Volga Gas PLC.
Vulcan Minerals & Energy Inc.
Vale Natural Gas America Corp.
Valkyries Petroleum Corp.
Vanco Energy Co.
Venoco Inc.
Vermilion Resources Ltd.
Vinson and Elkins
Vintage Petroleum Inc.
Virtex Petroleum Co. Inc.
Vitol Group of CompaniesVoyager Exploration Inc.