| 24401 | Quadrant Exploration Inc | Marietta, OH 45750 | Oil & Gas Operator | Dec 2000 |
| 24402 | Quadren Cryogenic Process LTD. | | Gas Operator | Dec 2025 |
| 24403 | Quadrum Energy LLC | Houston, TX 77042 | Oil Operator | Aug 2019 |
| 24404 | Quail Creek Oil Co. | Granbury, TX 76048 | Oil & Gas Operator | Aug 2005 |
| 24405 | Quail Creek Oil Corporation | Houston, TX 77024 | Oil & Gas Operator | Feb 2026 |
| 24406 | Quail Creek Petro MGMT Corp | Oklahoma City, OK 73134 | Oil & Gas Operator | Aug 2013 |
| 24407 | Quail Energy Corp | MT Gilead, OH 43338 | Oil & Gas Operator | Dec 2010 |
| 24408 | Quail Oil & Gas LC | Garden City, KS 67846 | Oil & Gas Operator | Nov 2025 |
| 24409 | Quail Operating, Inc. | Abilene, TX 79601 | Oil & Gas Operator | Feb 2026 |
| 24410 | Quail Ridge Operating LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 24411 | Quail Ridge Petroleum LLC | Midland, TX 79710 | Oil & Gas Operator | Feb 2026 |
| 24412 | Quail Well Service, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Feb 2026 |
| 24413 | Quaker State Corporation | Houston, TX 77002-2806 | Oil & Gas Operator | Dec 2013 |
| 24414 | Quaker State Oil Ref Corp | North Canton, OH 44720-1541 | Oil & Gas Operator | Dec 1994 |
| 24415 | Qualia, C. F. Operating,Inc. | Midland, TX 79702 | Oil & Gas Operator | Aug 2013 |
| 24416 | Quality Hospitality Services LLC | | Oil Operator | Mar 2013 |
| 24417 | Quality Natural Gas, LLC | Allen, KY 41601 | Oil & Gas Operator | Dec 2023 |
| 24418 | Quality Oil & Gas Corp | Alliance, OH 44601 | Oil & Gas Operator | Dec 2024 |
| 24419 | Quality Operating, Inc. | Dallas, TX 75367 | Oil & Gas Operator | Aug 2002 |
| 24420 | Quality Petroleum Corp. | | Oil & Gas Operator | Apr 1990 |
| 24421 | Quality Petroleum, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Jan 2022 |
| 24422 | Quality Production Co Of Stigler Inc | Stigler, OK 74462-0635 | Gas Operator | Feb 2013 |
| 24423 | Quality Production Corp | Hobbs, NM BADADDR | Oil Operator | Jan 2002 |
| 24424 | Quality Production SVC. LLC | | Oil & Gas Operator | Jul 2005 |
| 24425 | Quality Well Service, Inc. | Pratt, KS 67124 | Oil Operator | Feb 2006 |
| 24426 | Qualmay Development LLC | Cody, WY 82414 | Oil & Gas Operator | Jun 2023 |
| 24427 | Quanah Company | Tulsa, OK 74159-0469 | Oil & Gas Operator | May 2020 |
| 24428 | Quanah Panhandle, LLC | Traverse City, MI 49684 | Oil & Gas Operator | Feb 2026 |
| 24429 | Quanah Petroleum, Inc. | | Oil & Gas Operator | Sep 1983 |
| 24430 | Quanico Oil & Gas, Inc. | El Dorado, AR 71730 | Oil & Gas Operator | Feb 2026 |
| 24431 | Quantent Energy Partners Operating LLC | | Gas Operator | Dec 2024 |
| 24432 | Quantum Energy | Red Lodge, MT 59068 | Gas Operator | Jan 1998 |
| 24433 | Quantum Investments | Lubbock, TX 79424 | Oil Operator | Feb 2026 |
| 24434 | Quantum Oil & Gas Corporation | Oklahoma City, OK 73172 | Oil & Gas Operator | Feb 2026 |
| 24435 | Quantum Operating Company | Denver, CO 80201 | Oil & Gas Operator | Dec 2012 |
| 24436 | Quantum Operating Corporation | Denver, CO 80201-3029 | Oil & Gas Operator | Jun 2011 |
| 24437 | Quantum Resources Management LLC | Houston, TX 77010 | Oil & Gas Operator | Nov 2025 |
| 24438 | Quantum Resources MGMT, LLC | | Oil & Gas Operator | Nov 2014 |
| 24439 | Quarles Drilling Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2008 |
| 24440 | Quasha Oil Co. | | Oil & Gas Operator | Feb 1998 |
| 24441 | Quatro Oil And Gas, Inc. | Joshua, TX 76058 | Oil & Gas Operator | Feb 2026 |
| 24442 | Quatro Oil Ventures | | Oil Operator | Dec 2016 |
| 24443 | Quatro Osos E&P, LLC | Roswell, NM 88202 | Oil Operator | Nov 2025 |
| 24444 | Quatros Operating Company | Kilgore, TX 75663 | Oil Operator | Feb 2026 |
| 24445 | Quay Valley, Inc. | Midland, TX 79710 | Oil & Gas Operator | Oct 2007 |
| 24446 | Queen Sand Operating Co. | Dallas, TX 75240 | Oil & Gas Operator | Mar 2008 |
| 24447 | Quemado Energy, L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Nov 2024 |
| 24448 | Quench Oil & Gas Inc | Plano, TX 75075-2902 | Oil & Gas Operator | Apr 2009 |
| 24449 | Querio Enterprises Inc | Leechburg, PA 15656-0553 | Gas Operator | Dec 2012 |
| 24450 | Quest Cherokee LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Sep 2025 |
| 24451 | Quest Development Co. | | Oil Operator | Sep 2025 |
| 24452 | Quest Emg, Inc. | Albany, TX 76430 | Oil & Gas Operator | Feb 2026 |
| 24453 | Quest Energies | | Oil & Gas Operator | Mar 1997 |
| 24454 | Quest Energies Group,LTD. | Shreveport, LA 71106 | Oil & Gas Operator | Mar 1997 |
| 24455 | Quest Energies, L.L.C. | | Oil & Gas Operator | Jan 2025 |
| 24456 | Quest Energy LLC | Salina, KS 67401 | Oil Operator | Sep 2025 |
| 24457 | Quest Energy Service Inc. | Chanute, KS 66720 | Oil & Gas Operator | Jan 2009 |
| 24458 | Quest Exploration L.L.C. | | Oil & Gas Operator | Jul 2014 |
| 24459 | Quest Operating LLC | Sheridan, WY 82801 | Gas Operator | Sep 2008 |
| 24460 | Quest Petroleum Company | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2026 |
| 24461 | Quest Petroleum Corporation | Reno, NV 89570 | Oil Operator | Apr 1998 |
| 24462 | Quest Petroleum, Inc. | Abilene, TX 79603 | Oil & Gas Operator | Feb 2026 |
| 24463 | Quest Property Inc | Yukon, OK 73099 | Oil & Gas Operator | Jul 2025 |
| 24464 | Quest Research & Dev. Corp. | Weatherford, TX 76086 | Oil & Gas Operator | Feb 2026 |
| 24465 | Quest-Tex Energy Operating, LLC | Dallas, TX 75225 | Oil & Gas Operator | Feb 2026 |
| 24466 | Questa Energy Corporation | Amarillo, TX 79159 | Oil & Gas Operator | Feb 2026 |
| 24467 | Questa Oil & Gas Co. | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2015 |
| 24468 | Questa Operating Company, LLC | Amarillo, TX 79159 | Oil & Gas Operator | Feb 2026 |
| 24469 | Questa Petro Co | Pittsburgh, PA 15241-0863 | Oil & Gas Operator | Dec 2023 |
| 24470 | Questa Petroleum Co | Greensburg, PA 15601 | Oil & Gas Operator | Dec 2006 |
| 24471 | Questar Energy Company | Salt Lake C Ity, UT 84147 | Gas Operator | May 1991 |
| 24472 | Questar Expl. And Prod. Co. | Salt Lake Cty, UT 84145 | Oil & Gas Operator | Jul 2011 |
| 24473 | Questar Explor & Prod Co | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2017 |
| 24474 | Questar Exploration And Production Company Division Of Questar Urc Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Feb 2023 |
| 24475 | Quick Draw Tank Trucks Inc | Lamont, OK 74643-0158 | Oil Operator | Oct 1997 |
| 24476 | Quicksilver Resources Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2016 |
| 24477 | Quien Sabe Operating, LLC | Sundown, TX 79372 | Oil & Gas Operator | Nov 2023 |
| 24478 | Quiet Sun Investments, Inc. | | Oil & Gas Operator | Sep 2012 |
| 24479 | Quinex Energy Corp | Bountiful, UT 84010 | Oil & Gas Operator | Dec 2025 |
| 24480 | Quinlan Engineering | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2026 |
| 24481 | Quinn Energy Corp | MT Vernon, IN 47620 | Oil & Gas Operator | Oct 1999 |
| 24482 | Quinn Oil Produc | | Oil Operator | Dec 1987 |
| 24483 | Quinn, Karen | Round Rock, TX 78681 | Oil Operator | Sep 2018 |
| 24484 | Quinoco Petroleum Inc | | Oil & Gas Operator | Dec 1990 |
| 24485 | Quinque Operatin | | Oil & Gas Operator | Jul 1994 |
| 24486 | Quinque Operating Company | Liberal, KS 67905 | Oil & Gas Operator | Sep 2025 |
| 24487 | Quintana Minerals Corporation | Houston, TX 77002 | Oil & Gas Operator | Jan 2003 |
| 24488 | Quintana Pet Okla Inc | Houston, TX 77002 | Oil & Gas Operator | Jun 1998 |
| 24489 | Quintana Pet. Corp. | Refugio, TX 78377 | Oil & Gas Operator | Dec 2000 |
| 24490 | Quintana Petrole | | Oil & Gas Operator | Dec 1995 |
| 24491 | Quintana Petroleum Corporation | Denver, CO 80265 | Oil & Gas Operator | Mar 1998 |
| 24492 | Quintana Petroleum Services | Houston, TX 77253 | Oil & Gas Operator | Jul 1997 |
| 24493 | Quintana Petroleum Services Inc | Houston, TX 77253 | Gas Operator | Apr 1996 |
| 24494 | Quintana Production Co. | | Oil & Gas Operator | Feb 1987 |
| 24495 | Quintana-H H Cullen-Carl O&G | | Oil & Gas Operator | Jul 1984 |
| 24496 | Quintanilla, Tony C. | Atascosa, TX 78002 | Oil & Gas Operator | Feb 2026 |
| 24497 | Quinton Rental & Repair Serv Inc | Quinton, OK 74561-0432 | Oil & Gas Operator | Mar 2015 |
| 24498 | Quintx Exploration, Inc. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Nov 2007 |
| 24499 | Quisenberry, Gene | | Oil & Gas Operator | Dec 2016 |
| 24500 | Quisto Energy Corp. | Kerrville, TX 78029 | Oil & Gas Operator | Jan 1998 |