| 2401 | Beacon Oil Company | | Oil Operator | Dec 1985 |
| 2402 | Beacon Petroleum Corporation | | Oil & Gas Operator | Jan 1992 |
| 2403 | Beacon Petroleum MGMT.,Inc. | Dallas, TX 75244 | Oil & Gas Operator | Mar 1997 |
| 2404 | Beaird, R.A. Oil Operating Co. | Merkel, TX 79536 | Oil & Gas Operator | May 2026 |
| 2405 | Bean & Bean Inc. | Houston, TX 77269 | Oil & Gas Operator | Jan 2023 |
| 2406 | Bean Energy, Inc. | | Oil & Gas Operator | Dec 1986 |
| 2407 | Bean Resources, Inc | | Oil & Gas Operator | Aug 2006 |
| 2408 | Bear Creek Energy, LLC | Sealy, TX 77474 | Oil Operator | May 2026 |
| 2409 | Bear Creek Env. Systems, LLC | | Oil Operator | Dec 2008 |
| 2410 | Bear Creek Operating | Pampa, TX 79066 | Oil & Gas Operator | May 2026 |
| 2411 | Bear Creek Services, LLC | | Oil Operator | Dec 2024 |
| 2412 | Bear Energy LLC | Drumright, OK 74030-0311 | Oil & Gas Operator | Apr 2022 |
| 2413 | Bear Lake Energy | Sugar Grove, PA 16350-2104 | Gas Operator | Dec 2025 |
| 2414 | Bear Minerals LLC | Dallas, TX 75214 | Oil Operator | Jan 2025 |
| 2415 | Bear Of Texas, Inc. | Grand Rapids, MI 49546 | Oil & Gas Operator | Mar 2008 |
| 2416 | Bear Oil And Gas Inc | Las Vegas, NV 89107 | Oil & Gas Operator | Jul 2016 |
| 2417 | Bear Petroleum | | Oil & Gas Operator | Dec 1996 |
| 2418 | Bear Petroleum Inc | Haysville, KS 67060-0438 | Oil & Gas Operator | Mar 2015 |
| 2419 | Bear Petroleum LLC | Haysville, KS 67060 | Oil & Gas Operator | Dec 2025 |
| 2420 | Bear Productions Inc | Kinta, OK 74552 | Oil & Gas Operator | Jan 2026 |
| 2421 | Bear Springs Oil & Gas, L.L.C | Gorman, TX 76454 | Oil & Gas Operator | May 2026 |
| 2422 | Bearcat Energy LLC (Colorado) | Denver, CO 80202 | Oil & Gas Operator | May 2022 |
| 2423 | Bearcat Oil Co | Sugar Grove, PA 16350-0527 | Oil & Gas Operator | Dec 2008 |
| 2424 | Bearcat Oil Co LLC | Sugar Grove, PA 16350-4032 | Oil & Gas Operator | Dec 2025 |
| 2425 | Bearcat Petroleum Inc | | Oil Operator | Dec 1991 |
| 2426 | Bearco Operating Co., Inc. | Olney, TX 76374 | Oil & Gas Operator | May 2019 |
| 2427 | Beard And Ganey | | Oil & Gas Operator | Oct 1986 |
| 2428 | Beard English & Martin | Bartlesville, OK 74003 | Oil Operator | Nov 2005 |
| 2429 | Beard Oil Compan | | Oil & Gas Operator | Jul 1987 |
| 2430 | Beard Oil Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Aug 2013 |
| 2431 | Beard Oil Company, LLC | Edna, TX 77957 | Oil & Gas Operator | May 2026 |
| 2432 | Beard, J / McIlnay & Assoc | Casper, WY 82604 | Oil & Gas Operator | Aug 1996 |
| 2433 | Beardmore Oil & Gas Co | Vincent, OH 45784 | Oil & Gas Operator | Dec 2024 |
| 2434 | Beartooth Oil & Gas Company | Billings, MT 59103 | Oil & Gas Operator | Feb 2026 |
| 2435 | Beasley Oil Company | Oklahoma City, OK 73120 | Oil & Gas Operator | Jun 2020 |
| 2436 | Beasley Well Service Inc. | Tuscola, TX 79562 | Oil Operator | May 2026 |
| 2437 | Beasley, Kenneth | Abilene, TX 79602 | Oil & Gas Operator | May 2026 |
| 2438 | Beatty, Dennis | Fordsville, KY 42343 | Oil Operator | Dec 2015 |
| 2439 | Beau Coup Oil& Gas Corporation | | Oil & Gas Operator | Feb 1986 |
| 2440 | Beauregard Production Co Inc | | Oil Operator | Dec 2014 |
| 2441 | Beauty VIew Farm, L.P. | Batavia, NY 14020 | Gas Operator | Dec 2024 |
| 2442 | Beaver Oil & Gas Operating, LLC | Austin, TX 78746 | Oil & Gas Operator | May 2026 |
| 2443 | Beaver Oil Company Inc | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2020 |
| 2444 | Beaver Oil Company, A General Partnership | Beaver, OK 73792 | Gas Operator | Aug 2022 |
| 2445 | Beaver Operating Company, LLC | | Oil & Gas Operator | Nov 2025 |
| 2446 | Beaver Unit (The) | Great Bend, KS 67530 | Oil Operator | Jul 1989 |
| 2447 | Beavers' Production | | Oil Operator | May 1997 |
| 2448 | Bebco Parts Industries, Inc. | Monahans, TX 79756 | Oil & Gas Operator | May 2026 |
| 2449 | Bec Corp | Midland, TX 79702 | Oil & Gas Operator | Jan 2014 |
| 2450 | Becca Oil LLC | Cushing, OK 74023-1347 | Oil & Gas Operator | Feb 2026 |
| 2451 | Bech Oil & Gas | Lowell, AR 72745 | Gas Operator | Jan 2025 |
| 2452 | Bech Oil & Gas, Inc. | | Oil & Gas Operator | Mar 1994 |
| 2453 | Bechel Oil, LLC. | Maiden Rock, WI 54750 | Oil Operator | Feb 2022 |
| 2454 | Bechtel Energy PTNR LTD PRTNRS | | Oil & Gas Operator | Jan 1996 |
| 2455 | Bechtel Energy Resources Corp. | Houston, TX 77210 | Oil & Gas Operator | Jun 1996 |
| 2456 | Bechtel Petroleum Operations Inc. | | Oil & Gas Operator | Dec 1997 |
| 2457 | Beck Energy Corporation | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2024 |
| 2458 | Beck George N | Murrysville, PA 15668-9635 | Oil & Gas Operator | Dec 2016 |
| 2459 | Beck James L | Pleasantville, PA 16341-2718 | Oil Operator | Dec 2004 |
| 2460 | Beck Oil & Gas Inc. | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2024 |
| 2461 | Beck Oil & Gas, L.L.C. | Duncan, OK 73533 | Oil & Gas Operator | Jan 2026 |
| 2462 | Beck Oil Company | | Oil Operator | Sep 1996 |
| 2463 | Beck Oil Inc | | Oil & Gas Operator | Jan 2025 |
| 2464 | Beck Pump & Supply Inc | Hennessey, OK 73742-0175 | Oil & Gas Operator | Nov 2019 |
| 2465 | Beck Resources Incorporated | Hennessey, OK 73742 | Oil & Gas Operator | Jan 2026 |
| 2466 | Becker Oil Corpo | | Oil & Gas Operator | Dec 1996 |
| 2467 | Becker Oil Corporation | Ponca City, OK 74602 | Oil & Gas Operator | Jan 2026 |
| 2468 | Becker, Clyde M. | Ponca City, OK 74601 | Oil & Gas Operator | Oct 2009 |
| 2469 | Becker, Lavern | Russell, KS 67665 | Oil Operator | Oct 1995 |
| 2470 | Beckham Oil Co | Jal, NM 88252 | Oil & Gas Operator | Nov 2009 |
| 2471 | Beckham Resources, Inc. | Houston, TX 77010 | Oil & Gas Operator | Mar 2011 |
| 2472 | Beckman Production Services Inc | | Oil Operator | Jan 2026 |
| 2473 | Beckner Energy Resources LLC | | Oil Operator | Dec 2022 |
| 2474 | Becktol Linda G | Morris, OK 74445 | Oil & Gas Operator | Jun 2025 |
| 2475 | Beckville Disp Operations, LLC | Henderson, TX 75652 | Oil Operator | May 2026 |
| 2476 | Becsul Energy | Oklahoma City, OK 73127 | Oil Operator | Jan 1992 |
| 2477 | Becsul Energy Inc | Oklahoma City, OK 73127-4249 | Oil & Gas Operator | Dec 2025 |
| 2478 | Bedford Energy Inc | Oklahoma City, OK 73112-4731 | Oil & Gas Operator | Sep 2016 |
| 2479 | Bedford Oil & Gas, Inc. | Luling, TX 78648 | Oil & Gas Operator | May 2026 |
| 2480 | Bedrock Production, LLC | Fort Worth, TX 76106 | Oil & Gas Operator | May 2026 |
| 2481 | Bee Cee Inc | Denton, TX 76206-0689 | Oil & Gas Operator | May 2013 |
| 2482 | Bee-Jay Energy | Whiteface, TX 79379 | Oil & Gas Operator | Nov 1993 |
| 2483 | Bee-Jay Petro, Inc. | Levelland, TX 79336 | Oil & Gas Operator | Jun 2024 |
| 2484 | Beebe And Beebe | | Oil & Gas Operator | Jun 2000 |
| 2485 | Beebe Exploration Co, LLC | El Dorado, AR 71730 | Oil Operator | Jan 2025 |
| 2486 | Beech Resources LLC | Williamsport, PA 17701-6209 | Gas Operator | Jan 2026 |
| 2487 | Beechlick Oil, Inc. | Salem, WV 26426-5522 | Oil & Gas Operator | Dec 2021 |
| 2488 | Beeda Oil Company | Merkel, TX 79536 | Oil & Gas Operator | May 2026 |
| 2489 | Beehive Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | May 2026 |
| 2490 | Beekay Company | Dallas, TX 75219 | Oil & Gas Operator | Dec 1996 |
| 2491 | Beeler Phillip F | Norman, OK 73072-7522 | Oil & Gas Operator | Dec 2014 |
| 2492 | Beem Oil & Gas Company | | Oil & Gas Operator | Dec 1994 |
| 2493 | Beeman Oil & Gas LLC | | Oil & Gas Operator | Jan 2026 |
| 2494 | Beene, Tommy H. | Abilene, TX 79604 | Oil & Gas Operator | Jan 2005 |
| 2495 | Beeson Energy, Inc. | Aledo, TX 76008 | Oil & Gas Operator | May 2026 |
| 2496 | Beeson, Richard W | | Oil Operator | Dec 2022 |
| 2497 | Befco Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 1993 |
| 2498 | Behlen Incorporated | | Oil Operator | Jun 2001 |
| 2499 | Behm Energy, Inc. | Minot, ND 58702 | Oil & Gas Operator | Mar 2026 |
| 2500 | Behrens Resources Inc | | Oil & Gas Operator | Jul 2019 |