| 101 | Bepco, L.P. | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2008 |
| 102 | Berenergy Corporation | Denver, CO 80217 | Oil & Gas Operator | Apr 2025 |
| 103 | Bettis Boyle & Stovall,Inc. | Graham, TX 76450 | Oil & Gas Operator | Aug 2022 |
| 104 | Bettis Brothers Inc | Graham, TX 76046 | Oil & Gas Operator | Dec 1995 |
| 105 | Betwell Oil & Gas Company | Hialeah, FL 33002 | Oil & Gas Operator | May 2025 |
| 106 | Big Star Investments, LLC | Fort Worth, TX 76121 | Oil & Gas Operator | Mar 2025 |
| 107 | Bill & Patsy Rich | Hobbs, NM 88240 | Oil Operator | Aug 2003 |
| 108 | Bill L Miller | Loco Hills, NM 882550011 | Oil & Gas Operator | May 2021 |
| 109 | Bill Taylor | Rio Rancho, NM 87144 | Oil Operator | Apr 2011 |
| 110 | Billco Energy Inc | La Plata, NM 87418 | Oil & Gas Operator | Sep 2003 |
| 111 | Bird Creek LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2005 |
| 112 | Bird Creek Resources Inc | Tulsa, OK 74121 | Oil & Gas Operator | Jul 2022 |
| 113 | Bisco Inc | Lovington, NM 88260 | Oil & Gas Operator | Feb 2007 |
| 114 | Bisco Oil Company | Lovington, NM 88260 | Oil & Gas Operator | May 2000 |
| 115 | Bison Petroleum Corporation | Amarillo, TX 79121 | Oil & Gas Operator | Mar 1996 |
| 116 | Biya Operators Inc. | Littleton, CO 80160 | Oil Operator | Apr 2019 |
| 117 | BK Exploration Corp | Tulsa, OK 74152-009 | Oil & Gas Operator | Mar 2021 |
| 118 | BK Petroleum Inc | Farmington, NM 87499 | Oil & Gas Operator | Jun 1998 |
| 119 | Black Hills Gas Resources, Inc. | Rapid City, SD 57702 | Oil & Gas Operator | Aug 2018 |
| 120 | Black Mountain Operating LLC | Fort Worth, TX 76102 | Oil & Gas Operator | May 2025 |
| 121 | Black Resources, Inc. | Granbury, TX 76049 | Oil & Gas Operator | Mar 2008 |
| 122 | Black Top Operating, LLC | Midland, TX 79706 | Oil & Gas Operator | May 2025 |
| 123 | Blackbeard Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | May 2025 |
| 124 | Blackwell Operating LLC | Andrews, TX 79714 | Oil & Gas Operator | Mar 2025 |
| 125 | Blackwood & Nichols LTD PTR | Oklahoma City, OK 73102 | Oil & Gas Operator | Aug 1996 |
| 126 | Blake Production Company, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | May 2025 |
| 127 | Blanco Engineering Inc. | Artesia, NM 88210 | Oil & Gas Operator | Feb 1997 |
| 128 | Bledsoe Petro Corporation | Dallas, TX 75201 | Oil & Gas Operator | Dec 2000 |
| 129 | Bliss Pet Corporation | Hobbs, NM BAD ADDR | Gas Operator | Nov 1995 |
| 130 | Blue Dolphin Production LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Mar 2025 |
| 131 | Blue Ridge Resources, LLC | Midland, TX 79710 | Oil & Gas Operator | May 2025 |
| 132 | Blue Ruby Operating, LLC | Midland, TX 79706 | Oil & Gas Operator | Nov 2020 |
| 133 | Blue Sky NM, Inc. | Houston, TX 77024 | Oil Operator | Oct 2017 |
| 134 | Bluestem Energy Holdings, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2015 |
| 135 | Boaz Energy, LLC | Midland, TX 79710 | Oil & Gas Operator | Mar 2014 |
| 136 | Bobby F Abernathy | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2020 |
| 137 | Bobby McKay Dba 5 A Oil Company | Lovington, NM 88260 | Oil Operator | Mar 2025 |
| 138 | Bobco International Inc | Cloudcroft, NM 88317 | Oil & Gas Operator | Apr 1995 |
| 139 | Boge, Inc. | Lubbock, TX 79424 | Oil & Gas Operator | May 2025 |
| 140 | Bold Energy, L.P. | Midland, TX 79701 | Oil & Gas Operator | May 2008 |
| 141 | Bonner Plumbing Inc | Lubbock, TX 79424 | Oil & Gas Operator | Jun 1996 |
| 142 | Bopco, L.P. | Midland, TX 79701 | Oil & Gas Operator | May 2025 |
| 143 | Boyd & McWilliams Energy Group Inc | Midland, TX 79701 | Oil & Gas Operator | Nov 2011 |
| 144 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Feb 2025 |
| 145 | Bradley McInroe Dba Big Al Oil & Gas | Levelland, TX 79336 | Oil & Gas Operator | Feb 2022 |
| 146 | Brammer Supply Inc | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2014 |
| 147 | Brana Corp | Albuquerque, NM 87102 | Gas Operator | Nov 1994 |
| 148 | Bravo Operating Company | Hobbs, NM 88241 | Oil & Gas Operator | Dec 1995 |
| 149 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2025 |
| 150 | Breitburn Operating LP | Houston, TX 77002 | Oil & Gas Operator | May 2025 |
| 151 | BRG Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2020 |
| 152 | Bridge Oil Company LP | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
| 153 | Bridgecreek Resources (Colorado), LLC | Littleton, CO 80120 | Oil & Gas Operator | Mar 2025 |
| 154 | Bridwell Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | May 2025 |
| 155 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
| 156 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 157 | Brothers Production Company Inc. | Midland, TX 79708 | Oil & Gas Operator | May 2025 |
| 158 | Browning Oil Company, Inc. | Dallas, TX 75251 | Oil & Gas Operator | May 2025 |
| 159 | Bruce A Wilbanks | Midland, TX 79702 | Oil & Gas Operator | Dec 1993 |
| 160 | Bta Oil Producers | Midland, TX 79701 | Oil & Gas Operator | Sep 2009 |
| 161 | Bta Oil Producers, LLC | Midland, TX 79701 | Oil & Gas Operator | May 2025 |
| 162 | Buffco Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | May 2025 |
| 163 | Burgundy Oil & Gas Of N M Inc | Midland, TX 79701 | Oil & Gas Operator | Mar 2025 |
| 164 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2025 |
| 165 | Burleson Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | May 2025 |
| 166 | Burlington Resources Oil & Gas Company LP | Houston, TX 77252 | Oil & Gas Operator | May 2025 |
| 167 | Burlington Resources Oil And Gas Co. | Houston, TX 77210 | Oil & Gas Operator | Mar 2023 |
| 168 | Burnett Oil Co Inc | Fort Worth, TX 76102 | Oil & Gas Operator | May 2025 |
| 169 | Burns Operating | Wichita Falls, TX 76307 | Oil & Gas Operator | Sep 2002 |
| 170 | BXP Operating, LLC | Houston, TX 77079 | Oil & Gas Operator | May 2025 |
| 171 | Byron Oil Industries Inc | Ballwin, MO 63011 | Oil & Gas Operator | Apr 2019 |
| 172 | C E Larue & B M Muncy Jr | Artesia, NM 882111370 | Oil & Gas Operator | Jun 2006 |
| 173 | C E Staples | Dallas, TX 75205 | Oil & Gas Operator | Jul 1995 |
| 174 | C F M Oil Co Dba Louis And Judy Fulton | Artesia, NM 88210 | Oil & Gas Operator | May 2011 |
| 175 | C O Fulton | Artesia, NM 88211 | Oil & Gas Operator | Sep 2022 |
| 176 | C R I Inc | Midland, TX 79702 | Oil & Gas Operator | Nov 1993 |
| 177 | C W Trainer | Midland, TX 79702 | Oil & Gas Operator | Nov 2009 |
| 178 | C&D Management Company Dba Freedom Ventures | Las Vegas, NV 89149 | Oil & Gas Operator | Feb 2019 |
| 179 | Cabal Energy Corporation | Midland, TX 79701 | Oil & Gas Operator | May 2025 |
| 180 | Cactus Operating Company, LLC | Lovington, NM 88260 | Oil & Gas Operator | Jul 2005 |
| 181 | Caerus Southern Rockies LLC | Denver, CO 80202 | Gas Operator | Nov 2017 |
| 182 | Calpine Natural Gas Company L.P. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 183 | Calpine Natural Gas L.P. | Houston, TX 77002 | Oil & Gas Operator | Jan 2006 |
| 184 | Calvin F Tennison | Granbury, TX 76049 | Oil & Gas Operator | Apr 2007 |
| 185 | Cambrian Management LTD | McCaulley, TX 79534 | Oil & Gas Operator | May 2025 |
| 186 | Cambrian Oil Inc | Odessa, TX 79760 | Oil & Gas Operator | Aug 1996 |
| 187 | Cameron Oil & Gas Inc | Hobbs, NM 88240 | Oil & Gas Operator | Mar 2025 |
| 188 | Campbell & Hedrick | Midland, TX 79702 | Oil & Gas Operator | Jun 2014 |
| 189 | Cano Petro Of New Mexico, Inc. | Tulsa, OK 74159 | Oil & Gas Operator | Mar 2019 |
| 190 | Cantro Exploration, Inc. | San Antonio, TX 78270 | Oil & Gas Operator | May 2000 |
| 191 | Canyon E & P Company | Dallas, TX 75206 | Oil Operator | Oct 2013 |
| 192 | Capataz Operating Inc | Midland, TX 79702 | Oil & Gas Operator | Sep 2020 |
| 193 | Caprock Exploration, Inc. | Monahans, TX 79756 | Oil & Gas Operator | May 2025 |
| 194 | Capstone Natural Resources, LLC | Tulsa, OK 74136 | Oil & Gas Operator | May 2015 |
| 195 | Carbon Energy Corporation (USA) | Denver, CO 80290 | Oil & Gas Operator | Jul 2004 |
| 196 | Carl Schellinger | Roswell,, NM 88201 | Oil & Gas Operator | May 2010 |
| 197 | Carolynn Clark Wiggin Oil Properties | Farmington, NM 874990420 | Oil & Gas Operator | Sep 2011 |
| 198 | Carr Well Service Inc | Odessa, TX 79769 | Oil & Gas Operator | Nov 1996 |
| 199 | Cart Hill Energy, LLC | Hobbs, NM 88240 | Oil & Gas Operator | Mar 2025 |
| 200 | Castle Exploration Company Inc | Blue Bell, PA 19422 | Oil & Gas Operator | May 2018 |