| 101 | BRG Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2020 |
| 102 | Bridge Oil Company LP | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
| 103 | Bridwell Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2025 |
| 104 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
| 105 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 106 | Brothers Production Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Dec 2025 |
| 107 | Browning Oil Company, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Dec 2025 |
| 108 | Bruce A Wilbanks | Midland, TX 79702 | Oil & Gas Operator | Dec 1993 |
| 109 | Bta Oil Producers | Midland, TX 79701 | Oil & Gas Operator | Sep 2009 |
| 110 | Bta Oil Producers, LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 111 | Burgundy Oil & Gas Of N M Inc | Midland, TX 79701 | Oil & Gas Operator | Nov 2025 |
| 112 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 2025 |
| 113 | Burleson Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 114 | Burlington Resources Oil & Gas Company LP | Houston, TX 77252 | Oil & Gas Operator | Dec 2025 |
| 115 | Burlington Resources Oil And Gas Co. | Houston, TX 77210 | Oil & Gas Operator | Mar 2023 |
| 116 | BXP Operating, LLC | Houston, TX 77079 | Oil & Gas Operator | Dec 2025 |
| 117 | C E Larue & B M Muncy Jr | Artesia, NM 882111370 | Oil & Gas Operator | Jun 2006 |
| 118 | C E Long | Midland, TX 79702 | Oil & Gas Operator | Apr 1994 |
| 119 | C E Staples | Dallas, TX 75205 | Oil & Gas Operator | Jul 1995 |
| 120 | C F M Oil Co Dba Louis And Judy Fulton | Artesia, NM 88210 | Oil & Gas Operator | May 2011 |
| 121 | C O Fulton | Artesia, NM 88211 | Oil & Gas Operator | Sep 2022 |
| 122 | C W Trainer | Midland, TX 79702 | Oil & Gas Operator | Nov 2009 |
| 123 | Cabal Energy Corporation | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 124 | Cactus Operating Company, LLC | Lovington, NM 88260 | Oil & Gas Operator | Jul 2005 |
| 125 | Cambrian Management LTD | McCaulley, TX 79534 | Oil & Gas Operator | Dec 2025 |
| 126 | Cambrian Oil Inc | Odessa, TX 79760 | Oil & Gas Operator | Aug 1996 |
| 127 | Cameron Oil & Gas Inc | Hobbs, NM 88240 | Oil & Gas Operator | Nov 2025 |
| 128 | Campbell & Hedrick | Midland, TX 79702 | Oil & Gas Operator | Jun 2014 |
| 129 | Canyon E & P Company | Dallas, TX 75206 | Oil Operator | Oct 2013 |
| 130 | Capataz Operating Inc | Midland, TX 79702 | Oil & Gas Operator | Sep 2020 |
| 131 | Caprock Exploration, Inc. | Monahans, TX 79756 | Oil & Gas Operator | Dec 2025 |
| 132 | Carbon Energy Corporation (USA) | Denver, CO 80290 | Oil & Gas Operator | Jul 2004 |
| 133 | Carr Well Service Inc | Odessa, TX 79769 | Oil & Gas Operator | Nov 1996 |
| 134 | Cart Hill Energy, LLC | Hobbs, NM 88240 | Oil & Gas Operator | Dec 2025 |
| 135 | Catena Resources Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2022 |
| 136 | Caza Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 137 | CCC Oil & Gas LLC | Jal, NM 88252 | Oil & Gas Operator | Aug 2024 |
| 138 | Cecil Lee'S Co | Tatum, NM 88267 | Oil Operator | Jan 2003 |
| 139 | Celero Energy II, LP | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 140 | Celero Energy LP | Midland, TX 79701 | Oil & Gas Operator | May 2011 |
| 141 | Central Resources, Inc. | Denver, CO 80203 | Oil & Gas Operator | Dec 2019 |
| 142 | CFM Oil, LLC | Artesia, NM 88210 | Oil & Gas Operator | Nov 2025 |
| 143 | Challenge Operating Inc | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2024 |
| 144 | Champlin Exploration, Inc. | Enid, OK 73702 | Oil & Gas Operator | Nov 2025 |
| 145 | Chance Properties Co. | Kermit, TX 79745 | Oil & Gas Operator | Dec 2025 |
| 146 | Chantrey Corporation | Midland, TX 79707 | Gas Operator | Feb 2003 |
| 147 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | Dec 2025 |
| 148 | Chaparral SWD | Eunice, NM 88231 | Oil Operator | Dec 1995 |
| 149 | Charles B Gillespie Jr | Midland, TX 79701 | Oil & Gas Operator | Jun 2001 |
| 150 | Charles W Kemp | Hobbs, NM 88240 | Oil & Gas Operator | Mar 2000 |
| 151 | Chaveroo Operating Co Inc | Hobbs, NM 88241 | Oil & Gas Operator | Jun 1997 |
| 152 | Chesapeake Exploration LLC | Oklahoma City, OK 731540496 | Oil & Gas Operator | Jul 2020 |
| 153 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Sep 2025 |
| 154 | Chestnut Exploration And Production, Inc | Richardson, TX 75081 | Oil & Gas Operator | Nov 2020 |
| 155 | Chevron Midcontinent, L.P. | Midland, TX 79706 | Oil & Gas Operator | Dec 2025 |
| 156 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2025 |
| 157 | Chi Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 158 | Chisholm Energy Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Sep 2022 |
| 159 | Chisos Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 160 | Chisos, LTD | Houston, TX 77098 | Oil & Gas Operator | Dec 2025 |
| 161 | Chuza Operating | Midland, TX 79710 | Oil & Gas Operator | Sep 2006 |
| 162 | Cimarex Energy Co. Of Colorado | Midland, TX 79706 | Oil & Gas Operator | Dec 2025 |
| 163 | Circle Ridge Production, Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 164 | Citation Oil & Gas Corp | Houston, TX 77269 | Oil & Gas Operator | Dec 2025 |
| 165 | Civitas Permian Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2025 |
| 166 | Clayton Williams Energy, Inc. | Houston, TX 77070 | Oil & Gas Operator | Apr 2017 |
| 167 | CML Exploration, LLC | Austin, TX 78746 | Oil & Gas Operator | Dec 2025 |
| 168 | Coastal Management Corporation | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 169 | Cobalt Operating, LLC | Midland, TX 79710 | Oil & Gas Operator | Feb 2025 |
| 170 | Cobra Oil & Gas Corporation | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2025 |
| 171 | Cody Energy, Inc. | Houston, TX 77077 | Oil & Gas Operator | Oct 2025 |
| 172 | Cofer & Co LLC | Hobbs, NM 88240 | Oil & Gas Operator | Nov 2025 |
| 173 | COG Operating LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 174 | COG Production LLC | Midland, TX 79701 | Oil & Gas Operator | Nov 2025 |
| 175 | Colgate Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
| 176 | Collins & Ware, Inc. | Midland, TX 79701 | Oil & Gas Operator | Aug 2003 |
| 177 | Colter Operating Co | Horseshoe Bay, TX 78654 | Oil & Gas Operator | Nov 1997 |
| 178 | Columbia Gas Development Corp. | Houston, TX 77251 | Oil & Gas Operator | Jun 1996 |
| 179 | Compass Operating, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 180 | Concho Exploration | Midland, TX 79701 | Oil & Gas Operator | Feb 2004 |
| 181 | Concho Resources Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2004 |
| 182 | Conoco Inc | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
| 183 | ConocoPhillips Company | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 184 | Contango Resources LLC | Andrews, TX 79714 | Oil & Gas Operator | Dec 2025 |
| 185 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Dec 2025 |
| 186 | Continental-Emsco Co | Hobbs, NM 88241 | Oil & Gas Operator | Jun 1995 |
| 187 | Convest Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Sep 2014 |
| 188 | Copper Ridge Resources LLC | Midland, TX 79710 | Oil Operator | Feb 2025 |
| 189 | Cortez Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2016 |
| 190 | Costilla Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 191 | Coterra Energy Operating Co. | Midland, TX 79706 | Oil & Gas Operator | Nov 2025 |
| 192 | Coterra Energy Operating E LLC | Midland, TX 79706 | Oil & Gas Operator | Nov 2025 |
| 193 | Coterra Energy Operating F LLC | Midland, TX 79706 | Oil & Gas Operator | Nov 2025 |
| 194 | Coterra Energy Operating M LLC | Midland, TX 79706 | Oil & Gas Operator | Aug 2019 |
| 195 | Craft Operating NM LLC | Houston, TX 77057 | Oil Operator | Apr 2024 |
| 196 | Crestridge DRLG. & Prod.Co.,LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2023 |
| 197 | Crockett Operating, LLC | Arlington, TX 76017 | Oil & Gas Operator | Dec 2025 |
| 198 | Cross Border Resources, Inc. | Dallas, TX 75235 | Oil & Gas Operator | Jan 2022 |
| 199 | Cross Timbers Energy, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2025 |
| 200 | Crownquest Operating, LLC | Midland, TX 79710 | Oil & Gas Operator | Dec 2025 |