company_name	company_city	company_state
Citation Oil & Gas Corporation	Houston	TX
Nadel & Gussman	Tulsa	OK
Cheyenne Petroleum	Oklahoma City	OK
Panther Energy Company	Tulsa	OK
Range Resources	Oklahoma City	OK
Sandridge Energy	Oklahoma City	OK
Texas American Resources Company	Austin	TX
Mustang Fuel Corporation	Oklahoma City	OK
Laredo Petroleum	Midland	TX
Kirkpatrick Oil Company	Oklahoma City	OK
Kaiser-Francis Oil Company	Tulsa	OK
Jones Energy	Austin	TX
Hunt-Comstock	Dallas	TX
Cisco Energy	Dallas	TX
Reef Energy	Dallas	TX
Chesapeake Energy Corporation	Oklahoma City	OK
Ventura Refining & Transmission, LLC	Oklahoma City	OK
Linn Energy, LLC	Oklahoma City	OK
Primary Natural Resources III, LLC	Tulsa	OK
Gulfport Energy	Oklahoma City	OK
Primary Natural Resources	Tulsa	OK
The Oil & Gas Clearing House	Houston	TX
The Chalkley Companies	Lake Charles	LA
EnerQuest Oil & Gas	Oklahoma City	OK
Penneco	Delmont	PA
Universal Well Services	Meadville	PA
Highmount Exploration & Production	Oklahoma City	OK
Riata Management, LLC	Edmond	OK
J Cleo Thompson	Dallas	TX
New Prospect Company	Fort Smith	AR
GMX Resources	Oklahoma City	OK
Swift Energy	Houston	TX
Yates Petroleum Corporation	Artesia	NM
EnerVest, Ltd.	Houston	TX
Crown Energy Company	Oklahoma City	OK
Panhandle Oil & Gas, Inc.	Oklahoma City	OK
Epsilon Energy, Ltd.	Houston	TX
Koch Industries	Denver	CO
Activa Resources	San Antonio	TX
Heyco	Roswell	NM
Dugaan Production	Farmington	NM
Ward Petroleum	Oklahoma City	OK
Continental Resources	Oklahoma City	OK
Ward Petroleum Ft. Collins	Ft. Collins	CO
Citation Oil & Gas OKC	Oklahoma City	OK
Peak Energy	Durango	CO
Flogistix	Oklahoma City	OK
Legion Energy Services	Tulsa	OK
ARAMCO	Saudi Arabia	.
Mack Energy	Duncan	OK
Primexx Energy Partners	Dallas	TX
Breitburn Energy	Houston	TX
Meade Energy	Oklahoma City	OK
Mid-Con Energy Partners	Tulsa	OK
Range Resources - Fort Worth	Fort Worth	TX
RKI	Oklahoma City	OK
Yates Petroleum	Southeast	NM
American Energy Partners	Oklahoma City	OK
McElvain Energy	Denver	CO
Palo Petroleum	Dallas	TX
Signal Hill	Los Angeles	CA
Whiting Petroleum	Dickinson	ND
Jetta Operating Company	F.t Worth	TX
Penn General	Warren	PA
Approach Resources	Ft. Worth	TX
Willow Bend Oil	Plano	TX
Crescent Point Energy	Denver	CO
Endeavor Energy Resources	Midland	TX
Gastar	Oklahoma City	OK
Tema Oil and Gas	Houston	TX
International Energy	Tulsa	OK
JMA Energy Company	Oklahoma City	OK
Memorial Resource Development	Houston	TX
Cinco Pipe & Supply	Dallas	TX
Vess Oil	Dallas	TX
Dome Energy	Houston	TX
Generic	Midland	TX
Pablo Energy	Edmond	OK
Abraxas Petroleum	San Antonio	TX
New Prospect	Denver	CO
Dorado Exploration & Production	Denver	CO
Dorchester Capital	Oklahoma City	OK
Energen	Birmingham	AL
Energen Midland	Midland	TX
The Cavins Corporation	Houston	TX
Catoosa Test Facility	Tulsa	OK
Stream Flo	Oklahoma City	OK
FourPoint Energy	Denver	CO
Tanos Energy	East Texas	TX
SK Plymouth	Tulsa	OK
Diamondback Energy	Oklahoma City	OK
Legacy Reserves	Midland	TX
IOG Capital	Dallas	TX
Getzler Henrich	Houston	TX
Covey Park	Dallas	TX
Latshaw	Tulsa	OK
Geo Fossil Fuels	New York	NY
Big Star	Oklahoma City	OK
Chaparral	Oklahoma City	OK
Warwick Energy	Oklahoma City	OK
Stone Creek Energy	Oklahoma City	OK
Panther 3	Tulsa	OK
Energynet	Houston	TX
Oakspring Energy	Oklahoma City	OK
Black Mountain Sand	Fort Worth	TX
Circle 9	Oklahoma City	OK
Horizontal Well Drillers	Oklahoma City	OK
Land Information Services	Oklahoma City	OK
Bison Energy Services	Oklahoma City	OK
Albaron Partners	Oklahoma City	OK
Reliance	Tulsa	OK
AID	Oklahoma City	OK
Meagher Energy	Tulsa	OK
Oseberg	Oklahoma City	OK
Petco	Mt. Vernon	IL
Blake Production	Oklahoma City	OK