| 1101 | Beren Corporation | Wichita, KS 67206 | Oil & Gas Operator | Dec 2025 |
| 1102 | Berenergy Corporation | Denver, CO 80217 | Oil & Gas Operator | Oct 2025 |
| 1103 | Berexco Inc. | Wichita, KS 67208 | Oil & Gas Operator | Oct 2009 |
| 1104 | Berexco LLC | Wichita, KS 67206 | Oil & Gas Operator | Dec 2025 |
| 1105 | Berg Laney & Brown | Smackover, AR 71762 | Oil & Gas Operator | Jul 1995 |
| 1106 | Bergman Operating, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Feb 1994 |
| 1107 | Bering Operating Company, Inc. | Tyler, TX 75701 | Oil & Gas Operator | May 2001 |
| 1108 | Berkshire Operating, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2025 |
| 1109 | Berkshire Woodlawn Field, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Aug 2007 |
| 1110 | Berry Energy Companies | Abilene, TX 79608 | Oil & Gas Operator | Dec 2025 |
| 1111 | Berry Oil Comp. | Houston, TX 77002 | Oil & Gas Operator | Jul 2014 |
| 1112 | Berry Oil Company, LLC | Bakersfield, CA 93311 | Oil & Gas Operator | Apr 2019 |
| 1113 | Berry Petroleum Company | Denver, CO 80202 | Oil & Gas Operator | Feb 2014 |
| 1114 | Berry Petroleum Company LLC | Bakersfield, CA 93311 | Oil & Gas Operator | Oct 2025 |
| 1115 | Berry, Gus | Okmulgee, OK 74447 | Oil & Gas Operator | Feb 1996 |
| 1116 | Berry, O. H. | Midland, TX 79702 | Oil & Gas Operator | Dec 1993 |
| 1117 | Berry, Thomas N. & Co. | Stillwater, OK 74076 | Oil & Gas Operator | Feb 2012 |
| 1118 | Bertram Oil Company, Inc. | Corpus Chrsti, TX 78475 | Oil & Gas Operator | Oct 1995 |
| 1119 | Beryl Oil And Gas, LP | Midland, TX 79710 | Oil & Gas Operator | Dec 2025 |
| 1120 | Besco Operating, L.P. | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2025 |
| 1121 | Best Petroleum Explorations,Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | Dec 2025 |
| 1122 | Besto Oil & Gas, Inc. | Odessa, TX 79768 | Oil & Gas Operator | Oct 2018 |
| 1123 | Bet-Ro, Inc. | Rockdale, TX 76567 | Oil & Gas Operator | Dec 2025 |
| 1124 | Beta Gas & Oil, Inc. | Tulsa, OK 74136 | Oil Operator | Jun 2001 |
| 1125 | Beta Oil Corporation | San Antonio, TX 78232 | Oil & Gas Operator | Dec 2025 |
| 1126 | Beta Operating Company, LLC | Houston, TX 77210 | Oil & Gas Operator | Apr 2020 |
| 1127 | Beta-Tex, An Oklahoma Corp. | Oklahoma City, OK 73157 | Oil & Gas Operator | Aug 2024 |
| 1128 | Beth Ann Oil Co. | Electra, TX 76360 | Oil & Gas Operator | Jul 2001 |
| 1129 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 1130 | Betwell Oil & Gas Company | Hialeah, FL 33002 | Oil & Gas Operator | Dec 2025 |
| 1131 | Beusa Energy, Inc. | Spring, TX 77380 | Oil & Gas Operator | Apr 2011 |
| 1132 | Bevers SWD, Inc. | Lubbock, TX 79453 | Oil & Gas Operator | Dec 2025 |
| 1133 | Bevo Production Co. | Amarillo, TX 79101 | Oil & Gas Operator | Dec 2014 |
| 1134 | Bex, Inc. | Nashville, TN 37209 | Oil & Gas Operator | Aug 2007 |
| 1135 | Bexco Operating, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Dec 2025 |
| 1136 | BFD Energy Corporation | Georgetown, TX 78628 | Gas Operator | May 1998 |
| 1137 | BFP Oil Company | Frisco, TX 75034 | Oil & Gas Operator | Dec 2025 |
| 1138 | BGM Production, LLC | Borger, TX 79008 | Oil & Gas Operator | Dec 2025 |
| 1139 | BHB Operating Inc. | Fort Worth, TX 76137 | Oil & Gas Operator | Dec 2025 |
| 1140 | BHP Billiton Pet(Txla Op) Co | Denver, CO 80202 | Oil & Gas Operator | Jul 2019 |
| 1141 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 1142 | Biehl Oil Service'S LLC | Bellevue, TX 76228 | Oil & Gas Operator | Nov 2017 |
| 1143 | Biffle, Jimmy Jack | Muenster, TX 76252 | Oil & Gas Operator | Feb 2017 |
| 1144 | Big "6" Drilling Company | Houston, TX 77063 | Oil & Gas Operator | Mar 2019 |
| 1145 | Big Al Oil And Gas | Abilene, TX 79608 | Oil & Gas Operator | Dec 2025 |
| 1146 | Big Country Pipe & Supply, Inc. | Saint Jo, TX 76265 | Oil Operator | May 2023 |
| 1147 | Big Creek Energy LLC | Kingfisher, OK 73750-3102 | Oil & Gas Operator | Sep 2025 |
| 1148 | Big Creek Operating Company LLC | Houston, TX 77065 | Oil & Gas Operator | Dec 2025 |
| 1149 | Big D Energy Company | New Braunfels, TX 78132 | Oil & Gas Operator | Dec 2025 |
| 1150 | Big Easy Operating Company | Houston, TX 77056 | Oil & Gas Operator | Aug 2003 |
| 1151 | Big Iron Excavation, L.L.C. | Blanket, TX 76432 | Oil Operator | Jan 2022 |
| 1152 | Big Lake Corporation | Dallas, TX 75222 | Oil & Gas Operator | Dec 2025 |
| 1153 | Big Lake J J Oil & Gas, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | Dec 2025 |
| 1154 | Big Mountain Operating LLC | Decatur, TX 76234 | Oil & Gas Operator | Dec 2025 |
| 1155 | Big Rock Oil LLC | Frisco, TX 75034 | Oil Operator | Dec 2025 |
| 1156 | Big Run Production Company | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2025 |
| 1157 | Big Shell Oil & Gas, Inc. | Taft, TX 78390 | Oil & Gas Operator | Dec 2025 |
| 1158 | Big Sky Energy, LLC | Cody, WY 82414 | Oil & Gas Operator | May 2024 |
| 1159 | Big Star Exploration | Fort Worth, TX 76121 | Oil & Gas Operator | Dec 2025 |
| 1160 | Big Star Oil & Gas, LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2017 |
| 1161 | Big State Industries, Inc. | Houston, TX 77010 | Oil & Gas Operator | Apr 2024 |
| 1162 | Big Three Oil Company | Windthorst, TX 76389 | Oil & Gas Operator | Jul 2006 |
| 1163 | Big Tio, Inc. | Coleman, TX 76834 | Oil & Gas Operator | Dec 2025 |
| 1164 | Big W Oil Company | Graham, TX 76450 | Oil & Gas Operator | May 2017 |
| 1165 | Big Wells Energy Corp | Katy, TX 77494 | Oil & Gas Operator | Sep 2019 |
| 1166 | Bigfoot Energy Services LLC | Carthage, TX 75633 | Oil & Gas Operator | Aug 2024 |
| 1167 | Bigfoot Oil LLC | Denver, CO 80206 | Oil Operator | Dec 2025 |
| 1168 | Bilbo Operating | Abilene, TX 79603 | Oil Operator | Mar 2004 |
| 1169 | Bill Hill Oil & Gas, Inc. | Kilgore, TX 75663 | Oil Operator | Apr 2019 |
| 1170 | Billfisch Exploration Co., Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Oct 1997 |
| 1171 | Billington Oil & Gas, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2025 |
| 1172 | Bills, L. T. | Snyder, TX 79549 | Oil & Gas Operator | Dec 2025 |
| 1173 | Bilmac Oil Co., Inc. | Abilene, TX 79601 | Oil & Gas Operator | Dec 2025 |
| 1174 | Bingham'S Oil & Gas | Midland, TX 79708 | Oil & Gas Operator | Jan 2002 |
| 1175 | Birch Operations, Inc. | Houston, TX 77010 | Oil & Gas Operator | Dec 2025 |
| 1176 | Bird Creek Resources Inc | Tulsa, OK 74121 | Oil & Gas Operator | Jul 2022 |
| 1177 | Bird E&P LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 1178 | Bird, Charles A. | Midland, TX 79701 | Oil & Gas Operator | Feb 2012 |
| 1179 | Birdwell Oil & Gas, L.L.C. | Bryson, TX 76427 | Oil & Gas Operator | Dec 2025 |
| 1180 | Birdwell, C. E. | Bryson, TX 76427 | Oil & Gas Operator | Dec 2001 |
| 1181 | Birdwell, Mike Oil Co. | Holliday, TX 76366 | Oil & Gas Operator | Jun 2012 |
| 1182 | Birge Oil Co. | Wichita Falls, TX 76302 | Oil & Gas Operator | Jun 1995 |
| 1183 | Bishop Petroleum Inc. | Houston, TX 77007 | Oil & Gas Operator | Dec 2025 |
| 1184 | Bishop, D. L. | Midland, TX 79702 | Oil & Gas Operator | Mar 2012 |
| 1185 | Bishop, E.J. | Winters, TX 79567 | Oil & Gas Operator | May 1997 |
| 1186 | Bishop, J. E., Inc. | Houston, TX 77024 | Oil & Gas Operator | Jul 2012 |
| 1187 | Bison Energy Partners, Inc. | Houston, TX 77060 | Oil & Gas Operator | Sep 2001 |
| 1188 | Bison Energy Partners, LTD. | Houston, TX 77060 | Oil & Gas Operator | Apr 2002 |
| 1189 | Bison Petroleum Corporation | Amarillo, TX 79121 | Oil & Gas Operator | Mar 1996 |
| 1190 | Bissell Operating LLC | San Antonio, TX 78216 | Oil Operator | Oct 2016 |
| 1191 | Bitter Creek LLC | Graham, TX 76450 | Oil Operator | Dec 2025 |
| 1192 | Bitter Creek Petroleum Co. | Knox City, TX 79529 | Oil & Gas Operator | Dec 2025 |
| 1193 | Bitz, M. J. Company | Fort Worth, TX 76116 | Oil & Gas Operator | Aug 2003 |
| 1194 | Bivins, Orville J. Jr. | Jacksboro, TX 76458 | Oil & Gas Operator | Sep 2004 |
| 1195 | BJ Operating, Inc. | Menard, TX 76859 | Oil & Gas Operator | Dec 2025 |
| 1196 | BJG Operating Company | Midland, TX 79702 | Oil Operator | Dec 2025 |
| 1197 | BKJ Oil, LLC | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 1198 | BKM Production | Gainesville, TX 76240 | Oil & Gas Operator | Dec 2025 |
| 1199 | BKN Oil & Gas, Inc. | Port Lavaca, TX 77979 | Gas Operator | Aug 1997 |
| 1200 | BKV Barnett, LLC | Fort Worth, TX 76106 | Oil & Gas Operator | Dec 2025 |