|
● |
Agave Energy Company |
|
● |
AKA energy Group LLC |
|
● |
American Penn Energy |
|
● |
Antelope Energy Company LLC |
|
● |
Benson-Montin-Greer Drilling Corp |
|
● |
Beren Corporation |
|
● |
Bill Barrett Corp |
|
● |
Bitter Creek Pipeline LLC |
|
● |
Black Hills Exploration & Production |
|
● |
Blue Chip Oil Inc |
|
● |
Bonanza Creek Operating Company, LLC |
|
● |
Burlington Resources |
|
● |
Burr Oil & Gas, Inc. |
|
● |
Citation Oil & Gas |
|
● |
Canyon Gas Resources, Inc. |
|
● |
CDM Pipeline Company Inc. |
|
● |
Chandler Energy, LLC |
|
● |
Citation Oil & Gas |
|
● |
Colorado Interstate Gas Company |
|
● |
ConocoPhillips Pipeline |
|
● |
Colton, LLC |
|
● |
Coral Production Corp. |
|
● |
CPN Pipeline Company |
|
● |
Delta Petroleum Corp. |
|
● |
D.J. Simmons, Inc. |
|
● |
Duke Energy Field Services - Liberal District |
|
● |
Duke Energy Field Services - Weld |
|
● |
Ellora Operating LP |
|
● |
El Paso Natural Gas Company |
|
● |
El Paso Production Company |
|
● |
Elm Ridge Resources |
|
● |
EnCana Oil & Gas - Garfield |
|
● |
EnCana Oil & Gas - Weld |
|
● |
Energy Oil & Gas, Inc. |
|
● |
EnerVest Operating, LLC |
|
● |
Enprop, Inc |
|
● |
Enterprise Products Operating |
|
● |
Entrega Gas Pipeline Inc. |
|
● |
Exon-Mobil |
|
● |
Foundation Energy Management, LLC |
|
● |
Fountain Resources, Ltd. |
|
● |
Fountain Valley Power LLC |
|
● |
Gosney & Sons, Inc. |
|
● |
Great Western Oil & Gas Company |
|
● |
High Plains Gathering System, Inc. |
|
● |
Hilcorp Energy Company |
|
● |
Horseshoe Operating, Inc. |
|
|
● |
J-W Operating Company |
|
● |
James Edward Bates |
|
● |
Kerr McGee Gathering LLC |
|
● |
K.B. Gathering Company |
|
● |
K.P. Kauffman Company, Inc. |
|
● |
Kanco Gathering Company |
|
● |
Kerr-McGee Rocky Mountain Corporation |
|
● |
Kinder Morgan - Colbran District |
|
● |
Kinder Morgan Gas Transmission |
|
● |
KLT Gas, Inc. |
|
● |
KN Gas Gathering Company |
|
● |
Laramie Energy, LLC |
|
● |
Lynn Garner / SG Interests
1, Ltd. |
|
● |
Machii-Ross Petroleum Company |
|
● |
Magellan Midstream Partners LP |
|
● |
Magpie Operating Inc. |
|
● |
Maralex Resources Inc. |
|
● |
Marathon Oil Company |
|
● |
Merit Energy Company - Baca |
|
● |
Merit Energy Company - Weld |
|
● |
Moffat Pipeline Company |
|
● |
Navajo Nation Oil & Gas Company |
|
● |
Nexus Energy, LLC |
|
● |
NGC Energy Resources Ltd Partner |
|
● |
Nica Energy Operating, LLC |
|
● |
Northwest Pipeline Corporation |
|
● |
Oakdale Gas Processing, LLC |
|
● |
OMB Gas Gathering LLC |
|
● |
Pagoda Pipelines, LLC |
|
● |
Petroglyph Energy, Inc. |
|
● |
Petrogulf Corp. |
|
● |
Petro Hunter Operating Co. |
|
● |
Petroleum Development Corporation |
|
● |
Petron Development Company |
|
● |
Petro Canada Resources (USA) Inc. |
|
● |
Petro Engineering Inc. |
|
● |
Petro Mex LLC |
|
● |
Pioneer Natural Resources |
|
● |
Plains All American Pipeline |
|
● |
Powers Gas Gathering Co., LLC |
|
● |
PRB Energy, Inc. |
|
● |
Presto Inc. |
|
● |
Rosewood Resources Inc. |
|
● |
Sterling Ethanol, LLC |
|
● |
Questar Exploration &
Production Company |
|
● |
Questar Gas Company |
|
● |
Questar Gas Management |
|
|
● |
Questar Pipeline Company |
|
● |
Raton Gas Transmission |
|
● |
Red Cedar Gathering Company |
|
● |
Red Willow Production Co. |
|
● |
Regency Gas Services, LLC |
|
● |
Renegode Oil & Gas
Company, LLC |
|
● |
Rex Monahan (Oil & Gas) |
|
● |
Rocky Mountain Pipeline
System |
|
● |
Sagebrush Pipeline, LLC |
|
● |
Samson Resources |
|
● |
Southern Star Central Gas
Pipeline |
|
● |
Star Acquisitions VIII |
|
● |
Sterling Energy Company |
|
● |
Tatonka Oil and Gas
Company, Inc. |
|
● |
The Houston Exploration
Company |
|
● |
Tipperary Oil & Gas Corp. |
|
● |
Tom Brown, Inc. |
|
● |
Trailblazer Pipeline
Company |
|
● |
TransColorado Gas
Transmission Company |
|
● |
Transwestern Pipeline
Company |
|
● |
Trinity Energy Corporation |
|
● |
Tri-State Power, LLC |
|
● |
Ultramar/Diamond Shamrock |
|
● |
Vernon E. Faulconer Inc. |
|
● |
Vista Operating, Inc. |
|
● |
Walsh Production, Inc. |
|
● |
Western Gas Resources, Inc. |
|
● |
Western Gas Resources, Inc - PPL |
|
● |
Western Gas Resources - Phillips/Sedgwick |
|
● |
Wexpro Company |
|
● |
Wiepking-Fullerton Energy,
LLC. |
|
● |
Williams Energy Group |
|
● |
Williams Gas Pipeline |
|
● |
Williams Production RMT-Las Animas |
|
● |
Williams Production RMT-Garfield |
|
● |
Windsor Energy Group, LLC |
|
● |
Xcel Energy-Hi-Pressure Gas - Brighton |
|
● |
Xcel Energy-Hi-Pressure Gas - Campion |
|
● |
Xcel Energy-Hi-Pressure Gas - Del Norte |
|
● |
Xcel Energy-Hi-Pressure Gas - Grand Junction |
|
● |
Xcel Energy-Hi-Pressure Gas - Leyden |
|
● |
Xcel Energy-Hi-Pressure Gas - Silverthorne |
|
● |
XOG Operating, LLC |
|
● |
XTO Energy |
|
● |
Yates Petroleum Corporation |
|
● |
YMCA of the Rockies-Schlessman Center |
|