| 24501 | Ripco | | Oil & Gas Operator | Jul 1986 |
| 24502 | Rippy Branch Oil Co. | Grandfalls, TX 79742 | Oil & Gas Operator | Apr 2022 |
| 24503 | Rippy Oil Company | Tyler, TX 75702 | Oil & Gas Operator | Jul 2026 |
| 24504 | Riptide Energy LLC | Austin, TX 78701 | Oil & Gas Operator | Jul 2026 |
| 24505 | Risco La Sara Operations, LLC | Houston, TX 77056 | Oil & Gas Operator | Aug 2014 |
| 24506 | Rise Petroleum Investments LLC | Tomball, TX 77377 | Oil & Gas Operator | Jul 2026 |
| 24507 | Riseden Services, Inc. | Houston, TX 77256 | Oil & Gas Operator | Sep 1997 |
| 24508 | Riseden, LTD | | Oil & Gas Operator | Nov 1989 |
| 24509 | Risher Company, Inc. | | Oil & Gas Operator | Jul 2001 |
| 24510 | Rising Star 2000 Oil & Gas, Inc. | | Oil Operator | Dec 2024 |
| 24511 | Rising Star Energy Partners II, LLC | Dallas, TX 75219 | Oil & Gas Operator | Jul 2026 |
| 24512 | Rising Star Energy PTR, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Jun 2025 |
| 24513 | Rising Star Energy, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Aug 2006 |
| 24514 | Rising Star Energy-Oper Co., LLC | | Oil & Gas Operator | Nov 2006 |
| 24515 | Rising Star Petroleum, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Apr 2010 |
| 24516 | Rissman Lease Operating | Oklahoma City, OK 73116 | Oil Operator | Dec 1996 |
| 24517 | Ristau Ricky J | Warren, PA 16365-3560 | Oil & Gas Operator | Dec 2025 |
| 24518 | Rister Oil&Gas International LLC | Eastland, TX 76448 | Oil & Gas Operator | Jul 2026 |
| 24519 | Rister, Dewey | Avoca, TX 79503 | Oil & Gas Operator | Jul 2026 |
| 24520 | Ritchie C Stewar | | Oil Operator | Aug 1982 |
| 24521 | Ritchie Explorat | | Oil & Gas Operator | Dec 1996 |
| 24522 | Ritchie Exploration | | Oil Operator | Aug 1995 |
| 24523 | Ritchie Exploration, Inc. | Wichita, KS 67278 | Oil & Gas Operator | Mar 2026 |
| 24524 | Ritchie Petroleum Corporation, Inc. | Pennsboro, WV 26415-0000 | Oil & Gas Operator | Dec 2021 |
| 24525 | Ritchie, A. Scott | Wichita, KS 67202 | Oil Operator | Mar 1988 |
| 24526 | Ritchie, H. G. Jr. | Taft, TX 78390 | Oil & Gas Operator | Jul 2026 |
| 24527 | Rittenhouse Oil & Gas Co. | Midland, TX 79702 | Oil & Gas Operator | Jul 2026 |
| 24528 | Ritter Properties, LTD. | Fredericksbrg, TX 78624 | Oil & Gas Operator | Jul 2026 |
| 24529 | Ritter, Laber & Associates, Inc. | Williston, ND 58802 | Oil & Gas Operator | Aug 2025 |
| 24530 | River Bend Operating, Inc. | | Oil & Gas Operator | Jul 1999 |
| 24531 | River City Resources, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Nov 1997 |
| 24532 | River Energy Co., Inc. | | Gas Operator | Dec 2012 |
| 24533 | River Gas Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 1993 |
| 24534 | River Gas Corporation | Tuscaloosa, AL 35406-2233 | Gas Operator | Dec 2000 |
| 24535 | River Gas Of Utah Inc | Northport, AL 35476 | Gas Operator | Feb 1995 |
| 24536 | River Ridge Gravel Co | Meadville, PA 16335-9149 | Oil Operator | Dec 2025 |
| 24537 | River Road Production, LLC | Hays, KS 67601 | Oil Operator | Feb 1997 |
| 24538 | River Rock Operating LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2026 |
| 24539 | River Rouge Minerals | | Oil & Gas Operator | Dec 2024 |
| 24540 | River Rouge Minerals Inc | | Oil & Gas Operator | Mar 1981 |
| 24541 | River Valley Energy Inc | Little Hocking, OH 45742 | Oil & Gas Operator | Dec 2025 |
| 24542 | River Valley Oil LLC | Konawa, OK 74849 | Oil Operator | May 2026 |
| 24543 | Rivercity Operating, Inc. | Austin, TX 78766 | Oil & Gas Operator | Jul 2026 |
| 24544 | Riverfront Exploration LLC | Fort Smith, AR 72901 | Gas Operator | Apr 2026 |
| 24545 | Riveria Drilling | | Oil Operator | Aug 1984 |
| 24546 | Riverine, L.C. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2021 |
| 24547 | Rivershore Operating LLC | Dallas, TX 75206 | Oil & Gas Operator | Jul 2026 |
| 24548 | Riverside Energy Michigan LLC | | Oil & Gas Operator | Apr 2026 |
| 24549 | Riverside Oil & Gas, Inc | Burkesville, KY 42717 | Oil & Gas Operator | Dec 2023 |
| 24550 | Riverside Petrol | | Oil Operator | Sep 1995 |
| 24551 | Riverside Petroleum & Prod. | Oxford, MS 38655 | Oil & Gas Operator | Dec 2023 |
| 24552 | Riverside Resources, Inc. | | Oil & Gas Operator | Oct 2015 |
| 24553 | Riverstone Energy LLC | Seminole, OK 74868 | Oil & Gas Operator | May 2026 |
| 24554 | Riverstone Energy Operating, LLC | Houston, TX 77090 | Oil & Gas Operator | Jul 2026 |
| 24555 | Riverwood Production Co., Inc. | | Oil & Gas Operator | Nov 1990 |
| 24556 | Rives Owen H | Holdenville, OK 74848-0913 | Oil & Gas Operator | Nov 2000 |
| 24557 | Riviera Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | May 2026 |
| 24558 | Rixleben Jeffrey | West Chicago, IL 60186-0978 | Oil Operator | Feb 2016 |
| 24559 | Rixleben Thomas B Estate | Ada, OK 74820 | Oil & Gas Operator | Mar 2014 |
| 24560 | RJ Energy, LLC | Garnett, KS 66032 | Oil Operator | Mar 2026 |
| 24561 | RJ Schreiner SR | Freedom, PA 15042-9353 | Oil & Gas Operator | Dec 2015 |
| 24562 | RJ VIsion Operating | | Oil Operator | Mar 2026 |
| 24563 | RJ Williams Oil & Gas LLC | Ardmore, OK 73401 | Oil & Gas Operator | May 2026 |
| 24564 | Rja Energy LLC | Norman, OK 73069-8224 | Oil & Gas Operator | May 2026 |
| 24565 | RJD Management Co., Inc. | Lubbock, TX 79408 | Oil & Gas Operator | Jul 2026 |
| 24566 | RJKB Foster Operating LLC | Cisco, TX 76437 | Oil & Gas Operator | Jul 2026 |
| 24567 | RJM Company | Claflin, KS 67525 | Oil & Gas Operator | Mar 2026 |
| 24568 | RJM Oil Company, LLC | Irving, TX 75060 | Oil Operator | Jul 2026 |
| 24569 | RK Petroleum Corp,Enex Res,Peninsular Oil Corp. | | Oil Operator | Dec 2024 |
| 24570 | Rki Energy Resources, LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2021 |
| 24571 | Rki Exploration & Production LLC | Tulsa, OK 74172 | Oil & Gas Operator | Jul 2026 |
| 24572 | RKK Production Company | Mustang, OK 73064 | Oil & Gas Operator | May 2026 |
| 24573 | RKR Exploration Inc | Seminole, OK 74868 | Oil & Gas Operator | Apr 2026 |
| 24574 | RKW Oil & Gas LLC | Burkburnett, TX 76354 | Oil Operator | Jul 2026 |
| 24575 | RKW Operating LLC | Weatherford, TX 76085 | Gas Operator | Jul 2026 |
| 24576 | RL Investment, LLC | Hill City, KS 67642 | Oil Operator | Mar 2026 |
| 24577 | RL&B Energy LLC | Wichita Falls, TX 76230 | Oil & Gas Operator | Apr 2026 |
| 24578 | RLB Enterprises, Inc. | Strawn, TX 76475 | Oil & Gas Operator | Feb 1997 |
| 24579 | RLB Investments LLC | Holdenville, OK 74848-9421 | Oil Operator | Jul 2017 |
| 24580 | RLM Energy Company Inc. | Monroe, LA 71201 | Oil & Gas Operator | Mar 2008 |
| 24581 | RLS Oil Company | Tulia, TX 79088 | Oil & Gas Operator | Jul 2026 |
| 24582 | RLS Partnership | | Oil Operator | Apr 1983 |
| 24583 | RLT Investment | Morland, KS 67650 | Oil Operator | Mar 2009 |
| 24584 | Rlu Oil & Gas, Inc. | Devine, TX 78016 | Oil & Gas Operator | Jul 2026 |
| 24585 | Rlu Operating, LLC | Devine, TX 78016 | Oil & Gas Operator | Jul 2026 |
| 24586 | RM Energy LTD Liab. Co. | Casper, WY 82602 | Gas Operator | Mar 2009 |
| 24587 | RMB Corporation | Senecaville, OH 43780 | Oil & Gas Operator | Dec 2016 |
| 24588 | RMB Operating LLC | Lubbock, TX 79493 | Oil & Gas Operator | Jul 2026 |
| 24589 | RMC Petroleum, Inc. | Midland, TX 79710 | Oil & Gas Operator | Dec 1996 |
| 24590 | Rme Austin Chalk Company | Houston, TX 77251 | Oil & Gas Operator | Nov 2002 |
| 24591 | Rme Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Nov 2016 |
| 24592 | Rmi Company | Niles, OH 44446 | Oil & Gas Operator | Dec 1984 |
| 24593 | Rmor Production | Kilgore, TX 75663 | Oil Operator | Jul 2026 |
| 24594 | RMR Drilling Com | | Oil Operator | Sep 1988 |
| 24595 | RMR Energy Resources | | Oil Operator | Dec 2025 |
| 24596 | RMR Oil Company | Jacksboro, TX 76458 | Oil & Gas Operator | Sep 2005 |
| 24597 | RMR Operating, LLC | Plano, TX 75024 | Oil & Gas Operator | Jul 2026 |
| 24598 | RMS Monte Christo, LLC | Snowmass VLG., CO 81615 | Oil & Gas Operator | Mar 2023 |
| 24599 | RMT Resources LLC | | Oil Operator | Jan 2025 |
| 24600 | RNG Resources, LLC | Corpus Christ, TX 78413 | Gas Operator | Jul 2026 |