| 1301 | Blue Creek Inc | Fort Worth, TX 76181 | Oil & Gas Operator | Jul 2002 |
| 1302 | Blue Diamond Mountain, LLC | Marble Falls, TX 78654 | Oil Operator | Dec 2025 |
| 1303 | Blue Dolphin Production LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Oct 2025 |
| 1304 | Blue Dome Operating, LLC | Tulsa, OK 74119 | Gas Operator | Dec 2025 |
| 1305 | Blue Duck Corporation | Mont Belvieu, TX 77580 | Oil & Gas Operator | Sep 2011 |
| 1306 | Blue Grass Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Oct 2025 |
| 1307 | Blue Marble Resources Op, LLC | Houston, TX 77027 | Oil & Gas Operator | Feb 2019 |
| 1308 | Blue Oil, Inc. | Burnet, TX 78611 | Oil & Gas Operator | Dec 2025 |
| 1309 | Blue Owl Energy LLC | Canada, 00100 | Oil Operator | Dec 2025 |
| 1310 | Blue Quail Oil Co. | Midland, TX 79706 | Oil & Gas Operator | Dec 2025 |
| 1311 | Blue Ridge Group, Inc. | Bowling Green, KY 42101 | Oil & Gas Operator | Dec 2023 |
| 1312 | Blue Ridge Oil & Gas Exp., Inc. | Belleville, MI 48111 | Gas Operator | Jul 1994 |
| 1313 | Blue Ridge Operating Company,Inc | Ashland, OR 97520 | Oil & Gas Operator | Oct 1998 |
| 1314 | Blue Ridge Operating LLC | Willis, TX 77378 | Oil Operator | Dec 2025 |
| 1315 | Blue Ridge Resources, LLC | Midland, TX 79710 | Oil & Gas Operator | Dec 2025 |
| 1316 | Blue River Inc. | Abilene, TX 79608 | Oil Operator | Dec 2025 |
| 1317 | Blue Star Energy, Inc. | Shawnee, OK 74802 | Oil & Gas Operator | Dec 2025 |
| 1318 | Blue Star Natural Resources, LLC | San Angelo, TX 76906 | Oil & Gas Operator | Dec 2025 |
| 1319 | Blue Star Operating Company | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2025 |
| 1320 | Blue Wing Energy, Inc. | Portland, TX 78374 | Oil & Gas Operator | Dec 2025 |
| 1321 | Bluebonnet Energy Corporation | Englewood, CO 80112 | Oil & Gas Operator | Sep 2015 |
| 1322 | Bluebonnet Exploration Company | New Braunfels, TX 78130 | Oil & Gas Operator | Apr 2018 |
| 1323 | Bluebonnet Land & Cattle Co. | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 1324 | Bluebonnet Oil & Gas | Three Rivers, TX 78071 | Oil & Gas Operator | Dec 2025 |
| 1325 | Bluefin Resources LLC | Houston, TX 77079 | Oil & Gas Operator | Oct 2023 |
| 1326 | Bluejay Energy Corporation | Waxahachie, TX 75168 | Oil Operator | Feb 2008 |
| 1327 | Bluemark Energy, LLC | Tulsa, OK 74135 | Oil & Gas Operator | Sep 2025 |
| 1328 | Bluestem Energy Holdings, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2015 |
| 1329 | Bluestem Natural Gas LLC | Bixby, OK 74008 | Oil & Gas Operator | Dec 2025 |
| 1330 | Bluestem Resources LLC | Kerrville, TX 78028 | Oil & Gas Operator | Dec 2025 |
| 1331 | Bluestone Natural Res. II, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2019 |
| 1332 | Bluestone Natural Resources, LLC | Tulsa, OK 74114 | Oil & Gas Operator | Jan 2015 |
| 1333 | Bluestone Production Company LP | Tulsa, OK 74105 | Oil & Gas Operator | Jun 2007 |
| 1334 | Bluff Creek Petroleum, LLC | Abilene, TX 79603 | Oil & Gas Operator | Dec 2025 |
| 1335 | BM Oil Company, LLC | Olney, TX 76374 | Oil Operator | Nov 2021 |
| 1336 | BMB Oil Production | Coleman, TX 76834 | Oil & Gas Operator | Feb 2007 |
| 1337 | BMBD Enterprises, LLC | Iowa Park, TX 76367 | Oil & Gas Operator | Dec 2025 |
| 1338 | BMR Operating LLC | Sadler, TX 76264 | Oil Operator | Dec 2025 |
| 1339 | BMW Services, LLC | Santa Anna, TX 76878 | Oil & Gas Operator | Dec 2025 |
| 1340 | BNP Operating LLC | Corpus Chrsti, TX 78471 | Gas Operator | Jan 2015 |
| 1341 | BNP Petroleum Corporation | Corpus Chrsti, TX 78478 | Oil & Gas Operator | Dec 2025 |
| 1342 | BNR Operating, LLC | Houston, TX 77269 | Oil & Gas Operator | Dec 2025 |
| 1343 | Bo Dunagin Operating, LLC | Merkel, TX 79536 | Oil Operator | Mar 2019 |
| 1344 | Bo-MC Resources Corporation | Enid, OK 73702-1765 | Oil & Gas Operator | Apr 2005 |
| 1345 | Boaz Energy II Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Dec 2025 |
| 1346 | Boaz Energy, LLC | Midland, TX 79710 | Oil & Gas Operator | Mar 2014 |
| 1347 | Bob & Ted'S Operating | Lewisville, TX 75067 | Oil & Gas Operator | Apr 1993 |
| 1348 | Bob Hughes Oil Company, LLC | San Angelo, TX 76901 | Oil & Gas Operator | Dec 2025 |
| 1349 | Bob-Kat Oil Co. | Prairie Lea, TX 78661 | Oil & Gas Operator | Dec 2025 |
| 1350 | Bob-Pat Oil & Gas Co., Inc. | Victoria, TX 77902 | Oil & Gas Operator | Jun 2002 |
| 1351 | Bobwhite Production Company, Inc | Tulsa, OK 74112 | Oil & Gas Operator | Oct 2025 |
| 1352 | Bock & Bacon, Inc. | Houston, TX 77098 | Oil & Gas Operator | May 1999 |
| 1353 | Bockhoff, Deborah M. | Olney, TX 76374 | Oil Operator | Dec 2025 |
| 1354 | Bodark Oil Company | Ozona, TX 76943 | Oil & Gas Operator | Jul 2009 |
| 1355 | Bodden Production | Poth, TX 78147 | Oil & Gas Operator | Dec 2025 |
| 1356 | Boester, H. F. | Portland, TX 78374 | Oil & Gas Operator | Aug 2003 |
| 1357 | Boge, Inc. | Lubbock, TX 79424 | Oil & Gas Operator | Dec 2025 |
| 1358 | Bogey Oil & Gas | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Sep 2003 |
| 1359 | Bohanan Oil Co. | Gordonville, TX 76245 | Oil & Gas Operator | Dec 2025 |
| 1360 | Bohner Oil Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1998 |
| 1361 | Bois D'Arc Offshore LTD. | Houston, TX 77002 | Oil & Gas Operator | Aug 2008 |
| 1362 | Bois D'Arc Operating Corporation | Houston, TX 77040 | Oil & Gas Operator | Jan 2000 |
| 1363 | Boland Well Service | Abilene, TX 79601 | Oil & Gas Operator | Jan 2008 |
| 1364 | Bold Operating, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | May 2019 |
| 1365 | Bolding Energy, LLC | Sterling City, TX 76951 | Oil & Gas Operator | Dec 2025 |
| 1366 | Boling Production Company, Inc. | Boling, TX 77420 | Oil & Gas Operator | Dec 2025 |
| 1367 | Bollinger Drilling Co. | Del Rio, TX 78840 | Oil Operator | Dec 2025 |
| 1368 | Bollman & Bailey | Luling, TX 78648 | Oil & Gas Operator | Oct 2010 |
| 1369 | Bomar Oil & Gas, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Dec 2020 |
| 1370 | Bomar Operating Co., LC | Bellaire, TX 77401 | Oil & Gas Operator | Dec 2025 |
| 1371 | Bomco USA, Inc. | Sugar Land, TX 77496 | Oil Operator | Dec 2025 |
| 1372 | Bommer Engineering Co. | San Antonio, TX 78260 | Oil & Gas Operator | Dec 2025 |
| 1373 | Bon Wier Producing Company | Monroe, LA 71207 | Oil & Gas Operator | Feb 2002 |
| 1374 | Bonanza Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Apr 2000 |
| 1375 | Bond Operating Company | Dallas, TX 75219 | Oil & Gas Operator | Jan 2025 |
| 1376 | Boney Enterprises Prod. Co. | Houston, TX 77055 | Oil & Gas Operator | Dec 2025 |
| 1377 | Bonfire Operating LLC | Cresson, TX 76035 | Oil & Gas Operator | Dec 2025 |
| 1378 | Boni Oil Incorporated | Nacogdoches, TX 75961 | Oil & Gas Operator | Dec 2025 |
| 1379 | Bonita Hydrocarbons Company | Dallas, TX 75229 | Oil & Gas Operator | Jun 2008 |
| 1380 | Boo-Row Pipe & Supply, Inc. | Albany, TX 76430 | Oil & Gas Operator | Jan 2007 |
| 1381 | Booher Engineering, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Dec 2025 |
| 1382 | Boondocks Solutions LLC | Tomball, TX 77375 | Oil & Gas Operator | Dec 2025 |
| 1383 | Boone & Moore Oil Co. | Lubbock, TX 79453 | Oil & Gas Operator | Mar 1995 |
| 1384 | Boone Ranch 8, Inc. | Graham, TX 76450 | Oil Operator | Dec 2025 |
| 1385 | Boothe Oil Company | Batson, TX 77519 | Oil & Gas Operator | Feb 2014 |
| 1386 | Boothe, H. E., Jr. | Liberty, TX 77575 | Oil & Gas Operator | Dec 1996 |
| 1387 | Bootstrap Exploration, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Jun 2021 |
| 1388 | Bopco, L.P. | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 1389 | Bordas Oil & Gas Company | Harper, TX 78631 | Oil Operator | Dec 2025 |
| 1390 | Borden, Inc. | Columbus, OH 43215 | Oil & Gas Operator | May 1990 |
| 1391 | Borden, Roland Inc. | Abilene, TX 79608 | Oil & Gas Operator | Dec 2025 |
| 1392 | Borderline Operating Corp. | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 1393 | Borders, Delbert L. Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2019 |
| 1394 | Bordertown Energy Resources, LLC | Bryan, TX 77802 | Oil & Gas Operator | Dec 2025 |
| 1395 | Borean Oil Company | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Oct 2013 |
| 1396 | Borger Resources 2 LLC | Borger, TX 79007 | Oil & Gas Operator | Dec 2025 |
| 1397 | Borger Resources 3 LLC | Borger, TX 79007 | Oil & Gas Operator | Dec 2025 |
| 1398 | Borger Resources 4 LLC | Borger, TX 79007 | Oil & Gas Operator | Dec 2025 |
| 1399 | Bosco Petroleum LLC | Muenster, TX 76252 | Oil Operator | Dec 2025 |
| 1400 | Bosque Oil Company | Anderson, SC 29625 | Oil & Gas Operator | Dec 2025 |