Companies

TRUEBLOOD RESOURCES
TRUTEX EXPLORATION LLC
TSC OIL & GAS
TTI TUBLARS
TUAREN EXPLORATION
TUBACEX INC
TUMBLEWEED MUD SVC
TUNDRA RESOURCES LLC
TURBO MECH INTL
TURNBULL OIL CO
TURNCO INC
TURRENTINE OIL & GAS INC
TUSCANY OPERATING LLC
TWENTY-O-FIVE CORP
TWIN BOTTOMS
TWIN CREEKS EXPERATION
TWOJO LLC
TX HOLDINGS INC
TX O EXPLORATION
TX ONSHORE LLC
TXT RESOURCES LLC
TYBRITT CONSTR LLC
TYCON ENERGY CO
TYCOON ENERGY INC
TYLER ENERGY INC
TYLER EXPLORATION
ULTERRA
ULTICARE RESOURCES INC
ULTRA OIL & GAS
ULTRA PETROLEUM CORP
ULTRA PETROLEUM CORP
ULTRA PETROLEUM CORP
UNCONVENTIONALS
UNIMAR CO
UNION GAS CORP
UNION GAS OPERATING CO
UNION OPERATING CORP
UNIT CORP
UNIT DRILLING CO
UNIT PETROLEUM
UNIT PETROLEUM CO
UNIT PETROLEUM CO
UNITECH INTERNATIONAL
UNITED AMERICAN PETROLEUM CORP
UNITED ENERGY CORP
UNITED ENERGY TRADING LLC
UNITED LAND CO LLC
UNITED PRODUCTION CO LLC
UNITED WESTERN EXPLORATION CO
UNITEX OIL & GAS
UNITSOURCE INC
UNIVATION TECHNOLOGIES
UNIVERSAL DRILLING CO
UNIVERSAL ENERGY LLC
UNIVERSAL TRACKING SOLUTIONS
UPDATE ENERGY LLC
UPHAM OIL & GAS
UPHAM OIL & GAS CO
UPSTREAM INTERNATIONAL LLC
URBAN OIL & GAS GROUP LLC
URBAN SEISMIC SPECIALIST
US EMERALD ENERGY
US ENERGY CORP
US ENERGY DEV CORPORATE
US ENERGY DEVELOPMENT CORP
US LIQUIDS OF LOUISIANA
US LIQUIDS OF LOUISIANA
US LIQUIDS OF LOUISIANA
US LIQUIDS OF LOUISIANA
US LIQUIDS OF LOUISIANA
US LIQUIDS OF LOUISIANA
US LIQUIDS OF LOUISIANA
US NATURAL GAS CORP
US OPERATING INC
US OPERATING INC
V J RESOURCES
V N & UNIQUE SOLOTIONS INC
V P INC
VAALCO ENERGY INC
VAALCO INTERNATIONAL INC
VAB INC
VALE PETROLEUM CORP
VALENCE OPERATING CO
VALERUS COMPRESSION SVC LP
VALIDUS INTERNATIONAL LLC
VALIOSO PETROLEUM CO
VALLUTION LLC
VAN FOSSAN OIL CORP
VAN TYNE CONSULTING
VANCO ENERGY CO
VANDERRA RESOURCES
VANGUARD OIL & GAS CO LTD
VANGUARD PERMIAN
VANGUARD PERMIAN LLC
VANGUARD PETROLEUM LLC
VANN SURVEYS
VAQUERO ENERGY CO
VAQUERO ENERGY INC
VARCO LP