| 2401 | Bayless, Robert L Producer | Denver, CO 80293 | Oil & Gas Operator | Sep 2003 |
| 2402 | Baylor Operating, LLC | Austin, TX 78766 | Oil & Gas Operator | Apr 2025 |
| 2403 | Bayonet Petroleum LLC | Moran, KS 66755 | Oil Operator | Dec 2024 |
| 2404 | Bayou Bend Petroleum Corporation | Austin, TX 78734 | Oil & Gas Operator | Sep 2006 |
| 2405 | Bayou Bouillon Operating LLC | | Oil & Gas Operator | Dec 2024 |
| 2406 | Bayou Carencro Oil Co. Inc. | | Oil Operator | Apr 2022 |
| 2407 | Bayou Choctaw, Inc. | | Oil & Gas Operator | Jun 2004 |
| 2408 | Bayou Company, The | Refugio, TX 78377 | Oil & Gas Operator | Apr 2025 |
| 2409 | Bayou Couba Oil Company | | Oil & Gas Operator | May 2002 |
| 2410 | Bayou Desiard Corporation | | Gas Operator | Dec 2002 |
| 2411 | Bayou Drilling Fluids, Inc. | | Gas Operator | Jul 2020 |
| 2412 | Bayou Exploration, Inc. | | Oil & Gas Operator | Aug 1989 |
| 2413 | Bayou Gas Company Of Monroe La | | Gas Operator | Apr 2009 |
| 2414 | Bayou L'Ours Oil & Gas Co. | | Gas Operator | Mar 1988 |
| 2415 | Bayou Oil Co. | Los Angeles, CA 90036 | Gas Operator | Nov 1996 |
| 2416 | Bayou Oil LLC | Ardmore, OK 73401-4726 | Oil & Gas Operator | Jan 2025 |
| 2417 | Bayou Operating Company, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Apr 2025 |
| 2418 | Bayou Production Company, Inc. | | Oil & Gas Operator | Apr 1993 |
| 2419 | Bayou Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Jan 2015 |
| 2420 | Bayou Resources, LLC | | Oil & Gas Operator | Dec 2024 |
| 2421 | Bayou Sorrel Oil LLC | | Oil & Gas Operator | May 2015 |
| 2422 | Bayou South Gas Gather. Co L C | | Oil Operator | Oct 2002 |
| 2423 | Bayou State And Caldwell Oil | | Oil Operator | Dec 2024 |
| 2424 | Bayou State Oil Corporation | | Oil & Gas Operator | Dec 2024 |
| 2425 | Bayridge Texas Corp. | Big Spring, TX 79720 | Oil & Gas Operator | Jul 2004 |
| 2426 | Bays Exploration Inc | Oklahoma City, OK 73116-9004 | Oil & Gas Operator | Jan 2025 |
| 2427 | Bayshore Exploration LLC | Bellville, TX 77418 | Oil & Gas Operator | Dec 2016 |
| 2428 | Bayshore Operating Co. | Ingleside, TX 78362 | Oil & Gas Operator | Mar 2009 |
| 2429 | Bayshore Operating Corp., L.L.C. | Luling, TX 78648 | Oil Operator | Apr 2025 |
| 2430 | Bayshore-Long Beach LLC | | Oil & Gas Operator | Dec 2000 |
| 2431 | Bayswater Exploration & Production LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2025 |
| 2432 | Bayswater Operating Company LLC | Denver, CO 80202 | Oil & Gas Operator | Apr 2025 |
| 2433 | Baytech Inc | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 2434 | Baytex Energy USA LLC | Denver, CO 80202 | Oil & Gas Operator | Nov 2014 |
| 2435 | Baytex Energy USA LTD | | Oil & Gas Operator | Sep 2014 |
| 2436 | Baytex Energy USA, Inc. | Houston, TX 77084 | Oil & Gas Operator | Apr 2025 |
| 2437 | Baytex USA Development, LLC | Houston, TX 77056 | Oil & Gas Operator | Sep 2017 |
| 2438 | Baytide Petr. Inc. | Tulsa, OK 74103 | Oil & Gas Operator | Dec 1997 |
| 2439 | BB & D Exploration, Inc. | Graham, TX 76450 | Oil & Gas Operator | Jan 2009 |
| 2440 | BB-Southtex, LLC | San Antonio, TX 78259 | Oil & Gas Operator | Oct 2024 |
| 2441 | BBC Production Company Inc. | Pottstown, PA 19464 | Oil Operator | Apr 2025 |
| 2442 | BBC&D Enterprises, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Jan 2024 |
| 2443 | Bbe Production Co. | Haskell, TX 79521 | Oil & Gas Operator | May 1997 |
| 2444 | Bbe Production, LLC | Haskell, TX 79521 | Oil Operator | Apr 2025 |
| 2445 | BBH Operating Company | | Oil & Gas Operator | Feb 1986 |
| 2446 | BBHP Oilfield Services LLC | Kilgore, TX 75662 | Oil Operator | Apr 2025 |
| 2447 | BBL Operating Company LLC | Colleyville, TX 76034 | Oil & Gas Operator | Apr 2025 |
| 2448 | BBS Oil Field Services Inc | Post, TX 79356 | Oil & Gas Operator | Apr 2025 |
| 2449 | BBX Operating Co. LLC | Austin, TX 78738 | Oil & Gas Operator | Jan 2025 |
| 2450 | BBX Operating, L.L.C. | Austin, TX 78738 | Oil & Gas Operator | Apr 2025 |
| 2451 | BC & D Operating Inc. | Hobbs, NM 88240 | Oil & Gas Operator | Dec 2024 |
| 2452 | BC Development, LP | Midland, TX 79710 | Oil & Gas Operator | Sep 2005 |
| 2453 | BC Exploration, LLC | Dallas, TX 75201 | Gas Operator | Apr 2025 |
| 2454 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2025 |
| 2455 | BC Operations LLC | Lewisburg, KY 42256 | Oil Operator | Dec 2023 |
| 2456 | BCD Prop Inc | Waterford, PA 16441-0338 | Oil & Gas Operator | Dec 2023 |
| 2457 | Bce-Mach II LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2025 |
| 2458 | Bce-Mach III LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2025 |
| 2459 | Bce-Mach LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Feb 2025 |
| 2460 | BCF Operating, LLC | | Oil & Gas Operator | Nov 2024 |
| 2461 | BCF Resources, LLC | | Oil Operator | Jun 2023 |
| 2462 | BCGG-KKST 1985 L | | Gas Operator | Oct 1988 |
| 2463 | BCL Operating, LLC | Houston, TX 77269 | Oil & Gas Operator | Apr 2025 |
| 2464 | BCM Energy Louisiana LLC | | Oil Operator | May 2014 |
| 2465 | BCM Energy Operating LLC | Lafayette, LA 70503 | Oil Operator | Jun 2015 |
| 2466 | Bco Inc | Santa Fe, NM BADADDR | Oil & Gas Operator | Jan 1995 |
| 2467 | BCP Energy Inc | Cleveland, OH 44115 | Oil & Gas Operator | Dec 1993 |
| 2468 | BCP Resources, LLC | Midland, TX 79705 | Oil & Gas Operator | Apr 2025 |
| 2469 | BD Operating LLC | Artesia, NM 88210 | Oil & Gas Operator | Feb 2025 |
| 2470 | BDB LLC | Hennessey, OK 73742 | Oil & Gas Operator | Dec 2017 |
| 2471 | Bde Energy Solutions LLC | Bedford, TX 76021 | Oil Operator | Apr 2025 |
| 2472 | BDH Oil Inc | Bradford, PA 16701 | Oil Operator | Dec 2006 |
| 2473 | BDH Technology, Inc. | Conroe, TX 77304 | Oil & Gas Operator | Mar 2001 |
| 2474 | Bdi Operating, LLC | Addison, TX 75001 | Oil Operator | Apr 2025 |
| 2475 | BDR Energy Corporation | Corpus Chrsti, TX 78463 | Oil & Gas Operator | Mar 1998 |
| 2476 | BDW Oil Company LLC | Chanute, KS 66720 | Oil Operator | Oct 2020 |
| 2477 | Be Anadarko II, LLC | Austin, TX 78731 | Oil & Gas Operator | Apr 2025 |
| 2478 | Be Anadarko LLC | Wimberley, TX 78676-4418 | Oil & Gas Operator | Jan 2024 |
| 2479 | Be-Co Energy Cor | | Oil & Gas Operator | Mar 1986 |
| 2480 | Beach Exploration, Inc. | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 2481 | Beach Oil & Gas, Inc. | Lubbock, TX 79464 | Oil & Gas Operator | Apr 2025 |
| 2482 | Beach Operating Company | Tulsa, OK 74136-5577 | Oil & Gas Operator | Mar 2013 |
| 2483 | Beach Supply Co. | | Oil Operator | Dec 1987 |
| 2484 | Beach-Hollenshead TSTG & SVCS Inc. | | Oil Operator | Jan 2004 |
| 2485 | Beachel Oil & Gas LLC | Henryetta, OK 74437-3026 | Oil & Gas Operator | Jan 2025 |
| 2486 | Beachtex Oil Company, LLC | San Antonio, TX 78257 | Oil & Gas Operator | Apr 2025 |
| 2487 | Beacon E&P Company, LLC | Denver, CO 80202 | Gas Operator | Feb 2016 |
| 2488 | Beacon Energy Corporation (1) | Fredericksbrg, TX 78624 | Gas Operator | Sep 2002 |
| 2489 | Beacon Explorati | | Oil Operator | Apr 1987 |
| 2490 | Beacon Oil Company | | Oil Operator | Dec 1985 |
| 2491 | Beacon Petroleum Corporation | | Oil & Gas Operator | Jan 1992 |
| 2492 | Beacon Petroleum MGMT Inc | Dallas, TX 75244 | Oil & Gas Operator | Oct 2014 |
| 2493 | Beaird, R.A. Oil Operating Co. | Merkel, TX 79536 | Oil & Gas Operator | Apr 2025 |
| 2494 | Beall, Bobby D. | Normantown, WV 25267 | Oil & Gas Operator | Dec 2021 |
| 2495 | Beall, Roscoe C. III | Davis, WV 26260-0000 | Gas Operator | Dec 2020 |
| 2496 | Bean & Bean Inc. | Houston, TX 77269 | Oil & Gas Operator | Jan 2023 |
| 2497 | Bean Energy, Inc. | | Oil & Gas Operator | Dec 1986 |
| 2498 | Bean Resources, Inc. | | Oil & Gas Operator | Aug 2006 |
| 2499 | Bear Creek Energy, LLC | Sealy, TX 77474 | Oil Operator | Apr 2025 |
| 2500 | Bear Creek Env. Systems, LLC | | Oil Operator | Dec 2008 |