| 23501 | Quemado Energy, L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Nov 2024 |
| 23502 | Quench Oil & Gas Inc | Plano, TX 75075-2902 | Oil & Gas Operator | Apr 2009 |
| 23503 | Quest Cherokee LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2025 |
| 23504 | Quest Development Co. | | Oil Operator | Jun 2025 |
| 23505 | Quest Emg, Inc. | Albany, TX 76430 | Oil & Gas Operator | Nov 2025 |
| 23506 | Quest Energies | | Oil & Gas Operator | Mar 1997 |
| 23507 | Quest Energies Group,LTD. | Shreveport, LA 71106 | Oil & Gas Operator | Mar 1997 |
| 23508 | Quest Energies, L.L.C. | | Oil & Gas Operator | Jan 2025 |
| 23509 | Quest Energy LLC | Salina, KS 67401 | Oil Operator | May 2025 |
| 23510 | Quest Energy Service Inc. | Chanute, KS 66720 | Oil & Gas Operator | Jan 2009 |
| 23511 | Quest Exploration L.L.C. | | Oil & Gas Operator | Jul 2014 |
| 23512 | Quest Operating LLC | Sheridan, WY 82801 | Gas Operator | Sep 2008 |
| 23513 | Quest Petroleum Company | Jacksboro, TX 76458 | Oil & Gas Operator | Nov 2025 |
| 23514 | Quest Petroleum Corporation | Reno, NV 89570 | Oil Operator | Apr 1998 |
| 23515 | Quest Petroleum, Inc. | Abilene, TX 79603 | Oil & Gas Operator | Nov 2025 |
| 23516 | Quest Property Inc | Yukon, OK 73099 | Oil & Gas Operator | Jul 2025 |
| 23517 | Quest Research & Dev. Corp. | Weatherford, TX 76086 | Oil & Gas Operator | Nov 2025 |
| 23518 | Quest-Tex Energy Operating, LLC | Dallas, TX 75225 | Oil & Gas Operator | Nov 2025 |
| 23519 | Questa Energy Corporation | Amarillo, TX 79159 | Oil & Gas Operator | Nov 2025 |
| 23520 | Questa Oil & Gas Co. | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2015 |
| 23521 | Questa Operating Company, LLC | Amarillo, TX 79159 | Oil & Gas Operator | Nov 2025 |
| 23522 | Questa Petro Co | Pittsburgh, PA 15241-0863 | Oil & Gas Operator | Dec 2023 |
| 23523 | Questa Petroleum Co | Greensburg, PA 15601 | Oil & Gas Operator | Dec 2006 |
| 23524 | Questar Energy Company | Salt Lake C Ity, UT 84147 | Gas Operator | May 1991 |
| 23525 | Questar Expl. And Prod. Co. | Salt Lake Cty, UT 84145 | Oil & Gas Operator | Jul 2011 |
| 23526 | Questar Explor & Prod Co | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2017 |
| 23527 | Questar Exploration And Production Company Division Of Questar Urc Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Feb 2023 |
| 23528 | Quick Draw Tank Trucks Inc | Lamont, OK 74643-0158 | Oil Operator | Oct 1997 |
| 23529 | Quicksilver Resources Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2018 |
| 23530 | Quien Sabe Operating, LLC | Sundown, TX 79372 | Oil & Gas Operator | Nov 2023 |
| 23531 | Quiet Sun Investments, Inc. | | Oil & Gas Operator | Sep 2012 |
| 23532 | Quinex Energy Corp | Bountiful, UT 84010 | Oil & Gas Operator | Aug 2025 |
| 23533 | Quinlan Engineering | Wichita Falls, TX 76307 | Oil & Gas Operator | Nov 2025 |
| 23534 | Quinn Energy Corp | MT Vernon, IN 47620 | Oil & Gas Operator | Oct 1999 |
| 23535 | Quinn Oil Produc | | Oil Operator | Dec 1987 |
| 23536 | Quinn, Karen | Round Rock, TX 78681 | Oil Operator | Sep 2018 |
| 23537 | Quinoco Petroleum Inc | | Oil & Gas Operator | Dec 1990 |
| 23538 | Quinque Operatin | | Oil & Gas Operator | Jul 1994 |
| 23539 | Quinque Operating Company | Liberal, KS 67905 | Oil & Gas Operator | Jun 2025 |
| 23540 | Quintana Minerals Corporation | Houston, TX 77002 | Oil & Gas Operator | Jan 2003 |
| 23541 | Quintana Pet Okla Inc | Houston, TX 77002 | Oil & Gas Operator | Jun 1998 |
| 23542 | Quintana Pet. Corp. | Refugio, TX 78377 | Oil & Gas Operator | Dec 2000 |
| 23543 | Quintana Petrole | | Oil & Gas Operator | Dec 1995 |
| 23544 | Quintana Petroleum Corporation | Denver, CO 80265 | Oil & Gas Operator | Mar 1998 |
| 23545 | Quintana Petroleum Services | Houston, TX 77253 | Oil & Gas Operator | Jul 1997 |
| 23546 | Quintana Petroleum Services Inc | Houston, TX 77253 | Gas Operator | Apr 1996 |
| 23547 | Quintana Production Co. | | Oil & Gas Operator | Feb 1987 |
| 23548 | Quintana-H H Cullen-Carl O&G | | Oil & Gas Operator | Jul 1984 |
| 23549 | Quintanilla, Tony C. | Atascosa, TX 78002 | Oil & Gas Operator | Nov 2025 |
| 23550 | Quinton Rental & Repair Serv Inc | Quinton, OK 74561-0432 | Oil & Gas Operator | Mar 2015 |
| 23551 | Quintx Exploration, Inc. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Nov 2007 |
| 23552 | Quisenberry, Gene | | Oil & Gas Operator | Dec 2016 |
| 23553 | Quisto Energy Corp. | Kerrville, TX 78029 | Oil & Gas Operator | Jan 1998 |
| 23554 | Quisto Expl. & Production, L.C. | Sugar Land, TX 77478 | Oil & Gas Operator | Aug 1998 |
| 23555 | Quitman Construction Co., Inc. | Quitman, TX 75783 | Oil & Gas Operator | May 2011 |
| 23556 | Quito, Inc. | Bartlesville, OK 74003 | Oil & Gas Operator | Oct 2023 |
| 23557 | Quivira Gas Comp | | Gas Operator | Mar 1990 |
| 23558 | Quivira Oil & Ex | | Oil Operator | Sep 1985 |
| 23559 | Quorum Energy Company | Dallas, TX 75201 | Oil & Gas Operator | Nov 2025 |
| 23560 | Quorum Lease Bank | Dallas, TX 75240 | Oil Operator | Jun 1996 |
| 23561 | R & A Moore, Inc. | Cleburne, TX 76033 | Oil & Gas Operator | Nov 2025 |
| 23562 | R & A Oil, Inc. | Billings, MT 59105 | Oil & Gas Operator | May 2025 |
| 23563 | R & A Production Dba/R Lynch & A Engelke | Creston, WV 26141-7578 | Oil & Gas Operator | Dec 2021 |
| 23564 | R & B Energy Co. | Ranger, TX 76470 | Oil & Gas Operator | Mar 2008 |
| 23565 | R & B Energy, LLC | Shelby, MT 59474 | Oil Operator | Jul 2025 |
| 23566 | R & B Enterprises USA Inc | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2024 |
| 23567 | R & B Oil & Gas | | Oil & Gas Operator | Jul 1995 |
| 23568 | R & B Oil & Gas Inc | Attica, KS 67009 | Oil & Gas Operator | Jun 2025 |
| 23569 | R & B Oil Company, LLC | Willis, TX 77318 | Oil & Gas Operator | Nov 2025 |
| 23570 | R & B Oil Company, LLC Of Texas | | Oil & Gas Operator | Jan 2025 |
| 23571 | R & B Operating LLC | Boynton, OK 74422 | Oil & Gas Operator | Mar 2025 |
| 23572 | R & B Petroleum, Inc. | Scarsdale, NY 10583 | Oil & Gas Operator | Dec 2021 |
| 23573 | R & B Trucking | Crescent, OK 73028-0775 | Oil & Gas Operator | Nov 2021 |
| 23574 | R & C Oil And Gas Inc | Ada, OK 74820-3150 | Oil Operator | Jul 2016 |
| 23575 | R & C Oil Company LLC | Westbrook, TX 79565 | Oil Operator | Nov 2025 |
| 23576 | R & C Petroleum, Inc. | Flint, TX 75762 | Oil & Gas Operator | Nov 2025 |
| 23577 | R & D Call | Cedar Vale, KS 67024 | Oil Operator | Oct 2010 |
| 23578 | R & D Holdings, Inc. | | Gas Operator | Feb 1991 |
| 23579 | R & D Oil & Gas | Exeter, CA 93221-9697 | Oil & Gas Operator | Aug 2019 |
| 23580 | R & D Oil LLC | Oklahoma City, OK 73154 | Oil Operator | Dec 2005 |
| 23581 | R & D Operating | Early, TX 76803 | Oil & Gas Operator | Mar 2008 |
| 23582 | R & D Operating, Inc. | Early, TX 76802 | Oil & Gas Operator | Nov 2025 |
| 23583 | R & D Reclaiming LLC | | Oil Operator | Aug 2022 |
| 23584 | R & E Enterprises | Paris, OH 44669 | Oil & Gas Operator | Dec 1995 |
| 23585 | R & E Oil Co., Inc. | Augusta, KS 67010 | Oil Operator | Dec 2009 |
| 23586 | R & F Land Co., Inc. | | Oil & Gas Operator | Jan 2000 |
| 23587 | R & G Drilling Co Inc | Farmington, NM 87499 | Oil & Gas Operator | Apr 1995 |
| 23588 | R & H LLC | Ardmore, OK 73401-6329 | Oil & Gas Operator | Mar 2015 |
| 23589 | R & H Oil & Gas Inc | | Oil & Gas Operator | Apr 1992 |
| 23590 | R & J Production, Inc. | Laurel, MT 59044 | Oil Operator | Mar 2006 |
| 23591 | R & J Well Service LLC | Utica, OH 43080 | Oil & Gas Operator | Dec 2024 |
| 23592 | R & L Oil Company | Copan, OK 74022 | Oil Operator | May 2020 |
| 23593 | R & L Producing Co., Inc. | Hamilton, TX 76531 | Oil & Gas Operator | Nov 1997 |
| 23594 | R & L Properties Inc | Richmond, MO 64085-0228 | Oil & Gas Operator | Apr 2001 |
| 23595 | R & M Energy | Gonzales, TX 78629 | Oil & Gas Operator | Mar 2006 |
| 23596 | R & M Oil Co. | Fredonia, KS 66736 | Oil & Gas Operator | Aug 2002 |
| 23597 | R & M Oil, LLC | Loco Hills, NM 882550011 | Oil & Gas Operator | May 2025 |
| 23598 | R & N Associates | Grapevine, TX 76051 | Oil & Gas Operator | Feb 2025 |
| 23599 | R & N Associates,Etal Glen Neubert, Agent | Dallas, TX 75244-5100 | Oil Operator | Sep 2005 |
| 23600 | R & N Oil Company | Fairfax, OK 74637 | Oil & Gas Operator | May 2013 |