T

Talisman Energy
Tambeyneftgas PC.
Tana Oil and Gas Corp.
Taqa North Ltd.
Tarpon Offshore LP.
Tauber Exploration & Production
Taurus Petroleum Inc.
TDC Energy
Tecnova SA.
Tejas Energy LLC.
Tejas Gas Storage Co.
Tellus Energy Group LLC.
Tengasco Inc.
Tennessee Energy Acquisition Corp.
Termotasajero
Terralliance Oil & Gas
Texaco Inc.
Texas American Resources Co.
Texas Commerce Bank NA.
Texas Eastern Transmission Corp.
Texas Gas Partners LP.
Texas Meridian Resources Corp.
Texas Pacific Group
Texas Standard Oil Co.
Texneft Inc.
Texona Acquisition Co.
Texstar North America Inc.
Textron Investment Management Co. Inc.
The Anschutz Corp.
The Bahrain Petroleum Co.
The Beacon Group
The Cullen Foundation
The Energy Group
The Hamill Co.
The Hise Co.
The Limited Liability Co.
The Mercer Group
The Offshore Group
The Sakura Bank Ltd.
The Termo Co.
The Vagas Group
The Wiser Oil Co.
Thermo Cogeneration Partnership
Thompson/Cross Royalty Interest
Threshold Development Co.
Thunder Road Resources
Titan Exploration Inc.
TKM Resources LLC.
Toco LLC.
Tom Brown Inc.
Torch Energy Advisors Inc.
Torpedo Petroleum Corp.
Tower Colombia Corp.
Tpex Exploration Inc.
Trade and Development Corp.
Trafina Energy Ltd.
Transandean Partners Inc.
TransFuel Operating Co.
TransOK LLC.
TransTex Resources
TransWorld Exploration and Production
Travelers Oil Co.
TRC operating Co.
Tri-C Resouces Inc.
Triad Energy Corp.
Triana Energy
TRIANGLE Petroleum Corp.
TRIDENT EXPLORATION Corp.
Tripetrol Ecuador Inc.
Tristan Oil Ltd.
Trust Company of the West
Tyumen Oil Co.
Talon Development Co.
Tammany Oil & Gas LLC.
Tanganyika Oil Co. Ltd.
Tara Energy Services Ltd.
Tatham Offshore Inc.
Tauren Exploration Inc.
Taylor Energy Co.
Tebukneft
Teco Energy Inc.
Tejas Gas Corp.
Tejas Power Corp.
Tema Oil and Gas Co.
Tenneco Gas
Tepco Inc.
Terra Energy Ltd.
Teton Petroleum Co.
Texakota Oil Co.
Texas Bar Cle
Texas Crude Energy Inc.
Texas Fuel Co.
Texas Gulf Resources Corp.
Texas Onshore Energy Inc.
Texas Petroleum Invetment Co.
Texiana Gas Ltd.
Texoil Co.
Texstar
Texstar Petroleum LLC.
The Amdrill Co.
The Anz Investment Bank
The Bank of Cherry Creek
The Calypso Corp.
The Cymri Corp.
The Farm Credit Bank of Columbia
The Hillman Co.
The Kingston Co.
The Lucky Number
The National Gas Co. of Trinidad & Tobago
The Royal Bank of Scotland
The Southern Co.
The Terry Cos.
The William G. Helis Co.
Theisen Co.
Thetford Associates Inc.
Thrace Basin Natural Gas Turkey
Thums Long Beach
Tiger Petroleum
Titan Offshore Energy Development
TMC Oil & Gas
TOEI 96 Ltd.
Tom Brown Resources Ltd.
Toronto Dominion Bank
Total E&P USA Inc.
Towers Energy
Tracer Petroleum
Tradewinds Oil and Gas Inc.
Trans Tex Resources
TransAtlantic Petroleum Corp.
TransMeridian Exploration Inc.
TransPecto Transport Co.
TransWestern Pipeline
Traveler’s Exploration Co.
Trax Petroleum Ltd.
Trendwell Energy Corp.
Tri-Union Development Corp.
Triad Resources Inc.
Triangle Oil & Gas Inc.
Tribo Petroleum Corp.
Trinity Offshore Corp.
Triple 8 Energy Ltd.
Tristream Energy LLC.Tuskar Colombia Ltd.