101 | Oryx Energy Company | Dallas, TX 75221 | Oil & Gas Operator | May 2002 |
102 | Pan American Petroleum Corp | | Oil & Gas Operator | Jan 2008 |
103 | Paul Rankin Inc. | | Oil & Gas Operator | Jan 2024 |
104 | PDC Corporation | | Oil & Gas Operator | Jan 2011 |
105 | Petro Harvester Operating Company, LLC | | Oil & Gas Operator | Nov 2022 |
106 | Petro-Hunt, L.L.C. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2024 |
107 | Phoenix Petroleum, LLC | | Oil & Gas Operator | Jan 2024 |
108 | Pintail Petroleum Inc. | Wichita, KS 67202 | Oil & Gas Operator | Jun 2010 |
109 | Pintail Petroleum, LTD. | Wichita, KS 67202 | Oil & Gas Operator | Nov 2023 |
110 | Pogo Producing Company | Houston, TX 77002 | Oil & Gas Operator | Jan 2008 |
111 | Pogo Producing Company LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2024 |
112 | Prairie Production, Inc. | | Oil & Gas Operator | Apr 2020 |
113 | Prima Exploration, Inc. | Denver, CO 80206 | Oil & Gas Operator | Feb 2024 |
114 | Primewest Petroleum Inc. | Centennial, CO 80111 | Oil & Gas Operator | Jan 2009 |
115 | Prospective Investment & Trading Co., LTD., The | Tulsa, OK 74170-2320 | Oil & Gas Operator | Apr 2014 |
116 | Proven Petroleum, Inc. | Lakewood, CO 80228 | Oil & Gas Operator | Jan 2024 |
117 | Qep Energy Company | Midland, TX 79701 | Oil & Gas Operator | Dec 2023 |
118 | Ranch Oil Company | West Linn, OR 97068 | Oil & Gas Operator | Feb 2024 |
119 | RDT Properties, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Oct 2012 |
120 | Rim Operating, Inc. | Englewood, CO 80112 | Oil & Gas Operator | Mar 2024 |
121 | Ritter, Laber & Associates, Inc. | Williston, ND 58802 | Oil & Gas Operator | Dec 2023 |
122 | Ronald M. Sannes | | Oil & Gas Operator | Oct 2016 |
123 | Ryan Exploration, Inc. | | Oil & Gas Operator | Mar 2012 |
124 | Sage Energy Company | San Antonio, TX 78215 | Oil & Gas Operator | Mar 2024 |
125 | Samedan Oil Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2019 |
126 | Samson Oil & Gas USA Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2024 |
127 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2023 |
128 | Samuel Gary Jr. & Associates, Inc. | Denver, CO 80202 | Oil & Gas Operator | Nov 2023 |
129 | Scout Energy Management LLC | Dallas, TX 75240 | Oil & Gas Operator | Mar 2024 |
130 | Sequel Energy, LLC | | Oil & Gas Operator | May 2014 |
131 | Shakespeare Oil Co Inc | Salem, IL 62881 | Oil & Gas Operator | Jan 2024 |
132 | Slawson Exploration Company Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2024 |
133 | SM Energy Company | Midland, TX 79707 | Oil & Gas Operator | Mar 2024 |
134 | St Oil Company | Denver, CO 80264-2101 | Oil & Gas Operator | Dec 2010 |
135 | St. Mary Land & Exploration Co | Denver, CO 80201 | Oil & Gas Operator | Jun 2010 |
136 | Staghorn Energy, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2023 |
137 | Statoil Oil & Gas LP | Austin, TX 78730 | Oil & Gas Operator | Oct 2018 |
138 | Stearns Oil Company LLC | Willison, ND 58801 | Oil & Gas Operator | Jan 2024 |
139 | Stephens Williston, LLC Dba Seg Williston, LLC | | Oil & Gas Operator | Jan 2024 |
140 | Stone Energy Corporation | Denver, CO 80202-2828 | Oil & Gas Operator | Oct 2014 |
141 | Sun Exploration-Production Co. | | Oil & Gas Operator | Jan 1990 |
142 | Superior Oil Co. | Denver, CO 80217-5444 | Oil & Gas Operator | Feb 2001 |
143 | T-Boc Inc. | | Oil & Gas Operator | Apr 2016 |
144 | Taqa USA, Inc. | Centennial, CO 80111 | Oil & Gas Operator | Jul 2020 |
145 | Texaco Inc | Kingfisher, OK 73750 | Oil & Gas Operator | Dec 2017 |
146 | Texakota, Inc. | Houston, TX 77098 | Oil & Gas Operator | Mar 2021 |
147 | Texas Gas Exploration Corp. | | Oil & Gas Operator | Nov 1986 |
148 | Tracker Resource Development II, LLC | | Oil & Gas Operator | Feb 2011 |
149 | Tri-C Resources, Inc. | Houston, TX 77024 | Oil & Gas Operator | Aug 2009 |
150 | Tri-C Resources, LLC | Houston, TX 77024 | Oil & Gas Operator | Mar 2024 |
151 | Triangle USA Petroleum Corporation | Denver, CO 80202 | Oil & Gas Operator | Jul 2021 |
152 | Universal Resources Corp. | Salt Lake Cty, UT 84145 | Oil & Gas Operator | Jan 2000 |
153 | Vanguard Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Feb 2021 |
154 | Versa Operating LLC | | Oil & Gas Operator | May 2022 |
155 | W. H. Hunt Trust Estate | | Oil & Gas Operator | Mar 1997 |
156 | Ward-Williston Company | | Oil & Gas Operator | Apr 2014 |
157 | Wesco Operating, Inc. | Casper, WY 82602 | Oil & Gas Operator | Jan 2024 |
158 | Westport Oil & Gas Company LP | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2007 |
159 | White Rock Oil & Gas, LLC | Plano, TX 75024 | Oil & Gas Operator | Mar 2024 |
160 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2024 |
161 | William Herbert Hunt | | Oil & Gas Operator | Mar 1986 |
162 | Williston Industrial Supply Corporation | Williston, ND 58801 | Oil & Gas Operator | Mar 2012 |
163 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Mar 2024 |
164 | Zavanna, LLC | | Oil & Gas Operator | Jan 2024 |
165 | Zenergy Inc | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2024 |
166 | Zinke & Trumbo, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2007 |