E

E. M. Warburg Pincus & Co. LLC.
Eastern American Energy Corp.
Ecopetrol
Edegel
Edinburgh Oil & Gas PLC.
Edisto Resources Corp.
El Paso Energy Corp.
Elan Energy
Elf Exploration Inc.
Elite Exploration LP.
Ellora Energy LLC.
Emax Oil Co.
Emerald Oil and Mining Co.
Empire Energy Ltd.
Enbridge Inc.
Encana Corp.
Encore Acquisition Partners Inc.
Endowment Advisors
Enercap Corp.
Energem Resources
Energie Baden-Wurttemberg AG.
Energy Acquisition Corp.
Energy Corp. of America
Energy Partners Ltd.
Energy Resource Technology Inc.
Energy XXI Services LLC.
Engasco
ENI S.p.A.
Enron Corp.
Ensign Oil & Gas Inc.
Enstor Operating Co. LLC.
Entergy Power Group
Enveron Corp.
EOS Partners
Equatorial Energy Inc.
Equitable Production
ERG Resources LLC.
Eternal Energy Corp.
Eurogas Inc.
European Hydrocarbons Ltd.
Evertson Oil Cos.
Exalta Inc.
Excelco Energy Inc.
Explore Enterprises LLC.
East Resources Inc.
Eastern States Oil and Gas Inc.
Ecorp Texas LLC.
Edge Petroleum Corp.
Edisto Exploration and Production Co.
EEX E & P Co. LP.
El Sordo Gathering System Inc.
Eldorado Bank
Elgin Partners LLC.
Elk Petroleum Inc.
Elmworth Energy Corp.
Emerald Energy PLC.
Emerging Markets Partnership
Empiric Energy Inc.
Enbridge International Inc.
Encap Investments LC.
Endeavour Oil & Gas Inc.
Enduring Resources
Enerfin Resources Co.
Energen Resources Corp.
Energiya Ltd.
Energy Consultants LLC.
Energy Development Corp.
Energy Reserves Group LLC.
Energy Virtual Partners
Enervest Management Co. LC.
Englehart Energy
Enogex Inc.
Ensearch Energy
Ensley Properties Inc.
Entek USA Inc.
Enterprise Oil Gulf Of Mexico
EOG Resources
Epic Energy
Equinox Oil Co.
Equity Oil Co.
Esenjay Exploration Inc.
Eurenergy Resources Corp.
European Bank For Reconstruction & Devevelopment
Evergreen Energy Strategies
Evrofinance Commercial Bank
Excel Resources Inc.
Exco Resources Inc.
Exxon Mobil Corp.