|
● |
Agave Energy Company |
|
● |
AKA Energy Group, LLC |
|
● |
Anadarko Petroleum Corporation |
|
● |
Antelope Energy Company, LLC |
|
● |
Antero Resources Corp. |
|
● |
Apollo Operating, LLC |
|
● |
Augustus Energy Partners, LLC |
|
● |
Bayswater Exploration & Production,
LLC |
|
● |
Benson - Montin - Greer Drilling
Corporation |
|
● |
Beren Corporation |
|
● |
Berry Petroleum Co. |
|
● |
Bill Barrett Corp |
|
● |
Bitter Creek Pipeline, LLC |
|
● |
Black Hills Gas Resources |
|
● |
Black Hills Plateau Production |
|
● |
Black Raven Energy, Inc. |
|
● |
Blue Chip Oil Inc. |
|
● |
Bonanza Creek Operating Co, LLC |
|
● |
Burr Oil & Gas, Inc. |
|
● |
Cabot Oil & Gas Corp. |
|
● |
Caerus Operating LLC |
|
● |
CDM Pipeline Company, Inc. |
|
● |
Chaco Energy Company |
|
● |
Chesapeake Midstream Partners, L.P. |
|
● |
Chevron USA, Inc. |
|
● |
Cholla Production, LLC |
|
● |
Citation Oil & Gas |
|
● |
Coleman Oil & Gas, Inc. |
|
● |
Colorado Interstate Gas/El Paso |
|
● |
Colton, LLC |
|
● |
Conoco-Phillips Company |
|
● |
Coral Production Corp. |
|
● |
CPN Pipeline Co. |
|
● |
D.J. Simmons Inc. |
|
● |
DCP Midstream LLC |
|
● |
DeClar Oil and Gas Inc. |
|
● |
Delta Petroleum Corp |
|
● |
Diamond Operating, Inc. |
|
● |
DJ Resources, Inc. |
|
● |
Eddy Oil Company |
|
● |
El Paso Natl. Gas - Main Line |
|
● |
El Paso Production - LaPlata/Montezuma |
|
● |
El Paso Production Co.-Raton |
|
● |
Elm Ridge Resources, Inc. |
|
● |
Encana Oil & Gas |
|
● |
Energy Alliance Company, Inc. |
|
● |
Energy Oil & Gas, Inc. |
|
● |
EnerVest Operating |
|
● |
Enprop, Inc. |
|
● |
Enterprise Products Operating LP |
|
● |
ETC Canyon Pipeline, LLC |
|
● |
Exxon-Mobil |
|
● |
Foundation Energy Management, LLC |
|
|
● |
Fountain Valley Power LLC |
|
● |
Fountainhead Resources, Ltd. |
|
● |
Fram Operating, LLC |
|
● |
G3 Operating, LLC |
|
● |
Gosney & Sons, Inc. |
|
● |
Great Western Oil & Gas Company |
|
● |
High Plains Gathering System LLC |
|
● |
Hilcorp Energy Company |
|
● |
Huntington Energy, LLC |
|
● |
James Edward Bates |
|
● |
J-W Operating Company |
|
● |
K.P. Kauffman Co. |
|
● |
Kaiser-Francis Oil Company |
|
● |
KB Gathering Company |
|
● |
Kerr McGee-Anadarko |
|
● |
Kinder Morgan Interstate Gas
Transmission |
|
● |
Kodiak Petroleum, Inc. |
|
● |
Laramie Energy II, LLC |
|
● |
Machii Ross Petroleum Co. |
|
● |
Magellan Midstream Partners LP |
|
● |
Magpie Operating, Inc. |
|
● |
Maralex Resources, Inc. |
|
● |
Marathon Oil Company |
|
● |
McElvain Oil and Gas Properties,
Inc. |
|
● |
Merit Energy Company
|
|
● |
Merrion Oil & Gas Corp. |
|
● |
Midstream Energy Services LLC |
|
● |
Moffat Pipeline Co. |
|
● |
Navajo Nation Oil & Gas Company |
|
● |
Nika Energy Operating LLC |
|
● |
Nonsuch Natural Gas, Inc. |
|
● |
Northwest Pipeline Corp - Vernal
District |
|
● |
Oakdale Gas Processing, LLC |
|
● |
Occidental Oil & Gas Corp. |
|
● |
OMB Gas Gathering LLC |
|
● |
Omimex Petroleum, Inc. |
|
● |
P & M Petroleum Management, LLC |
|
● |
Pagoda Pipeline LLC |
|
● |
Patara Oil & Gas LLC |
|
● |
Peterson Energy Operating, Inc. |
|
● |
Petro Mex LLC |
|
● |
Petroglyph Energy, Inc. |
|
● |
Petrogulf Corp. |
|
● |
Petroleum Development Corp
|
|
● |
Petroleum Management LLC |
|
● |
Petron Development Company |
|
● |
Pioneer Natural Resources - Raton
District |
|
● |
Prowers Gas Gathering Co LLC |
|
● |
Questar Exploration & Production |
|
● |
Questar Gas Co. |
|
● |
QEP Field Services Co. |
|
● |
Questar Pipeline Co. |
|
● |
Quicksilver Resources |
|
|
● |
Raton Gas Transmission |
|
● |
Red Cedar Gathering Company |
|
● |
Red Willow Production Co. |
|
● |
Regency Gas Services LLC |
|
● |
Renegade Oil & Gas Co, LLC |
|
● |
Rex Monahan Oil & Gas |
|
● |
Rockies Express Pipeline |
|
● |
Rocky Mountain Pipeline System |
|
● |
Rosetta Resources Operating LP |
|
● |
Rosewood Resources Inc. |
|
● |
Samson Resources |
|
● |
Sandlin Oil Corporation |
|
● |
SG Interests I, Ltd. |
|
● |
Smith Oil Properties Inc. |
|
● |
Source Gas Transmission-Mtn.Dist |
|
● |
Southern Star/Wiliams Gas PPL |
|
● |
Sovereign Energy LLC |
|
● |
St. James Energy |
|
● |
St. Mary Land & Exploration Co. |
|
● |
Sterling Energy Company |
|
● |
Sterling Ethanol LLC |
|
● |
Tatonka Oil and Gas Co., Inc. |
|
● |
Teppco Natural Gas Services |
|
● |
Texas American Resources Co. |
|
● |
Thomas L. Spring, LLC |
|
● |
Thompson Engineering & Production
Corp. |
|
● |
Timka Resources Ltd. |
|
● |
TOP Operating Company |
|
● |
Trailblazer Pipeline Company |
|
● |
Trans-Colorado Gas Transmission Co. |
|
● |
Transwestern Pipeline Company |
|
● |
Tri-State Power, LLC |
|
● |
Tyler Rockies Exploration, Ltd. |
|
● |
Vaquero Energy Inc. |
|
● |
Vernon E. Faulconer, Inc. |
|
● |
Vista Operating, Inc. |
|
● |
Wellington Operating Company |
|
● |
Western Gas Resources - Pipeline |
|
● |
Wexpro Company |
|
● |
Whiting Oil and Gas Corporation |
|
● |
Wiepking-Fullerton Energy LLC |
|
● |
Wilgath LLC |
|
● |
Williams Energy Group |
|
● |
Williams Production RMT Co. |
|
● |
Williford Resources, LLC |
|
● |
Wold Oil Properties, Inc. |
|
● |
Xcel Energy - Hi-Pressure Gas |
|
● |
Xcel Energy - Hi-Pressure Gas |
|
● |
XOG Operating LLC |
|
● |
XTO Energy Inc. |
|
● |
Yates Petroleum Corp. |
|
● |
YMCA of the Rockies, Estes Park
Center |
|
