| 24501 | River Rouge Minerals Inc | | Oil & Gas Operator | Mar 1981 |
| 24502 | River Valley Energy Inc | Little Hocking, OH 45742 | Oil & Gas Operator | Dec 2023 |
| 24503 | River Valley Oil LLC | Konawa, OK 74849-6062 | Oil Operator | Jul 2024 |
| 24504 | Rivercity Operating, Inc. | Austin, TX 78766 | Oil & Gas Operator | Sep 2024 |
| 24505 | Riverfront Exploration LLC | Fort Smith, AR 72901 | Gas Operator | Jun 2024 |
| 24506 | Riveria Drilling | | Oil Operator | Aug 1984 |
| 24507 | Riverine, L.C. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2021 |
| 24508 | Rivershore Operating LLC | Dallas, TX 75206 | Oil & Gas Operator | Sep 2024 |
| 24509 | Riverside Energy Michigan LLC | | Oil & Gas Operator | Jun 2024 |
| 24510 | Riverside Oil & Gas, Inc | Burkesville, KY 42717 | Oil Operator | Dec 2016 |
| 24511 | Riverside Petrol | | Oil Operator | Sep 1995 |
| 24512 | Riverside Petroleum & Prod. | Oxford, MS 38655 | Oil & Gas Operator | Dec 2023 |
| 24513 | Riverside Resources, Inc. | | Oil & Gas Operator | Oct 2015 |
| 24514 | Riverstone Energy LLC | Seminole, OK 74868 | Oil & Gas Operator | Jul 2024 |
| 24515 | Riverstone Energy Operating, LLC | Houston, TX 77090 | Oil & Gas Operator | Sep 2024 |
| 24516 | Riverwood Production Co., Inc. | | Oil & Gas Operator | Nov 1990 |
| 24517 | Rives Owen H | Holdenville, OK 74848-0913 | Oil & Gas Operator | Nov 2000 |
| 24518 | Riviera Drilling & Exploration Company | | Oil & Gas Operator | Sep 2013 |
| 24519 | Riviera Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2024 |
| 24520 | Rixleben Jeffrey | West Chicago, IL 60186-0978 | Oil Operator | Feb 2016 |
| 24521 | Rixleben Thomas B Estate | Ada, OK 74820 | Oil & Gas Operator | Mar 2014 |
| 24522 | RJ Energy, LLC | Garnett, KS 66032 | Oil Operator | May 2024 |
| 24523 | RJ Schreiner SR | Freedom, PA 15042-9353 | Oil & Gas Operator | Dec 2015 |
| 24524 | RJ Williams Oil & Gas LLC | Ardmore, OK 73401 | Oil & Gas Operator | Jul 2024 |
| 24525 | Rja Energy LLC | Norman, OK 73069-8224 | Oil & Gas Operator | Jul 2024 |
| 24526 | RJD Management Co., Inc. | Lubbock, TX 79408 | Oil & Gas Operator | Sep 2024 |
| 24527 | RJKB Foster Operating LLC | New Braunfels, TX 78132 | Oil & Gas Operator | Sep 2024 |
| 24528 | RJM Company | Claflin, KS 67525 | Oil & Gas Operator | May 2024 |
| 24529 | RJM Oil Company, LLC | Irving, TX 75060 | Oil Operator | Sep 2024 |
| 24530 | Rki Energy Resources, LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2021 |
| 24531 | Rki Exploration & Production LLC | Tulsa, OK 74172 | Oil & Gas Operator | Sep 2024 |
| 24532 | RKK Production Company | Mustang, OK 73064 | Oil & Gas Operator | Jul 2024 |
| 24533 | RKR Exploration Inc | Seminole, OK 74868 | Oil & Gas Operator | Jun 2024 |
| 24534 | RKW Operating LLC | Weatherford, TX 76085 | Gas Operator | Sep 2024 |
| 24535 | RL Investment, LLC | Hill City, KS 67642 | Oil Operator | May 2024 |
| 24536 | RL&B Energy LLC | Wichita Falls, TX 76230 | Oil & Gas Operator | Jul 2024 |
| 24537 | RLB Enterprises, Inc. | Strawn, TX 76475 | Oil & Gas Operator | Feb 1997 |
| 24538 | RLM Energy Company Inc. | Monroe, LA 71201 | Oil & Gas Operator | Mar 2008 |
| 24539 | RLP Gulf States, L.L.C. | | Oil & Gas Operator | Apr 2012 |
| 24540 | RLS Oil Company | Tulia, TX 79088 | Oil & Gas Operator | Sep 2024 |
| 24541 | RLS Partnership | | Oil Operator | Apr 1983 |
| 24542 | RLT Investment | Morland, KS 67650 | Oil Operator | Mar 2009 |
| 24543 | Rlu Oil & Gas, Inc. | Devine, TX 78016 | Oil & Gas Operator | Sep 2024 |
| 24544 | Rlu Operating, LLC | Devine, TX 78016 | Oil & Gas Operator | Sep 2024 |
| 24545 | RM Energy LTD Liab. Co. | Casper, WY 82602 | Gas Operator | Mar 2009 |
| 24546 | RM Oil & Gas Co | Pawhuska, OK 74056 | Oil Operator | Jul 1999 |
| 24547 | RMB Corporation | Senecaville, OH 43780 | Oil & Gas Operator | Dec 2016 |
| 24548 | RMB Operating LLC | Houston, TX 77269 | Oil & Gas Operator | Sep 2024 |
| 24549 | RMC Petroleum, Inc. | Midland, TX 79710 | Oil & Gas Operator | Dec 1996 |
| 24550 | Rme Austin Chalk Company | Houston, TX 77251 | Oil & Gas Operator | Nov 2002 |
| 24551 | Rme Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Nov 2016 |
| 24552 | Rmi Company | Niles, OH 44446 | Oil & Gas Operator | Dec 1984 |
| 24553 | Rmor Production | Kilgore, TX 75662 | Oil Operator | Sep 2024 |
| 24554 | RMR Drilling Com | | Oil Operator | Sep 1988 |
| 24555 | RMR Energy Resources | | Oil Operator | Jun 2024 |
| 24556 | RMR Oil Company | Jacksboro, TX 76458 | Oil & Gas Operator | Sep 2005 |
| 24557 | RMR Operating, LLC | Dallas, TX 75235 | Oil & Gas Operator | Sep 2024 |
| 24558 | RMS Monte Christo, LLC | Snowmass VLG., CO 81615 | Oil & Gas Operator | Mar 2023 |
| 24559 | RMT Resources LLC | | Oil Operator | Jan 2024 |
| 24560 | RNS Oil Co. | Rio Grande Ci, TX 78582 | Oil Operator | Sep 2024 |
| 24561 | Ro-Jo, Inc. | Highland VLG, TX 75077 | Oil & Gas Operator | Aug 2003 |
| 24562 | Roach & Assoc Inc | Pittsburgh, PA 15228-1924 | Gas Operator | Dec 2023 |
| 24563 | Roach, R. Byron Trustee | Judson, TX 75660 | Oil & Gas Operator | Mar 1999 |
| 24564 | Roach, R. Byron, Trustee, LLC | Judson, TX 75660 | Oil & Gas Operator | Mar 2007 |
| 24565 | Road Oil Sales Inc. | Tyler, TX 75711 | Oil Operator | Dec 1984 |
| 24566 | Road Runner Inc | Park City, UT 84060 | Oil & Gas Operator | Aug 2005 |
| 24567 | Roadrunner Energy | | Oil Operator | Sep 2005 |
| 24568 | Roadrunner Energy, Inc. | Tulsa, OK 74120 | Oil & Gas Operator | Mar 2015 |
| 24569 | Roan Resources LLC | Tulsa, OK 74103-3729 | Oil & Gas Operator | Apr 2024 |
| 24570 | Roanoke Corporation | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 1995 |
| 24571 | Roaring Springs Energy, LTD. | Midland, TX 79702 | Oil & Gas Operator | Feb 2010 |
| 24572 | Roark S L | | Oil & Gas Operator | Nov 1992 |
| 24573 | Roark, Nancy | Winfield, KS 67156 | Oil Operator | Dec 2004 |
| 24574 | Rob-Joe Gas & Oil Co. | Ranger, TX 76470 | Oil & Gas Operator | Sep 2024 |
| 24575 | Robbins Petroleum Corp. | Longview, TX 75606 | Oil & Gas Operator | Sep 1994 |
| 24576 | Robbins Thomas D & Charlene A Revocable Trust | Plano, TX 75093-7471 | Oil Operator | Jul 2018 |
| 24577 | Robbins, Jesse M. | Jamestown, NY 14701 | Gas Operator | Dec 2023 |
| 24578 | Robbins, L. C. | Seguin, TX 78155 | Oil & Gas Operator | Aug 2003 |
| 24579 | Robby Kohutek, Inc. | Ballinger, TX 76821 | Oil & Gas Operator | Sep 2024 |
| 24580 | Robco Investments, Inc. | | Oil & Gas Operator | Jul 2016 |
| 24581 | Roberson David A | Ada, OK 74821-0008 | Oil & Gas Operator | Jul 2010 |
| 24582 | Roberson Farm Equipment, Inc. | | Oil Operator | Mar 1989 |
| 24583 | Roberson Oil Company | Houston, TX 77046 | Oil & Gas Operator | Jul 2024 |
| 24584 | Roberson Well Service | | Gas Operator | Dec 2023 |
| 24585 | Roberson, Joe | Vernon, TX 76385 | Oil & Gas Operator | Feb 2015 |
| 24586 | Robert A Craig | | Oil Operator | Jul 2020 |
| 24587 | Robert A. Cohan | | Oil & Gas Operator | Jan 2018 |
| 24588 | Robert C Dintelman | Farmington, NM 87401 | Oil & Gas Operator | Jan 2000 |
| 24589 | Robert C. Brower, LLC | Southlake, TX 76092 | Oil & Gas Operator | Sep 2024 |
| 24590 | Robert C. Pettit | | Oil & Gas Operator | Feb 1986 |
| 24591 | Robert D Chenault | Farmington, NM 87402 | Oil & Gas Operator | Oct 2020 |
| 24592 | Robert D Valerius Inc. | | Oil Operator | Mar 1996 |
| 24593 | Robert D. VIgue | | Oil Operator | Dec 2000 |
| 24594 | Robert E McDowell | | Oil Operator | Dec 1998 |
| 24595 | Robert E. & Ruby C. Beasley Trustees | | Oil & Gas Operator | Dec 1990 |
| 24596 | Robert E. Landreth | Midland, TX 79701 | Oil & Gas Operator | Jun 2014 |
| 24597 | Robert G Cox & Assoc La Inc. | | Oil & Gas Operator | Jun 1994 |
| 24598 | Robert H Forrest Jr Oil LLC | Carlsbad, NM 88220 | Oil & Gas Operator | Feb 2024 |
| 24599 | Robert Hawkins Inc | Kevin, MT 59454 | Oil & Gas Operator | Jun 2024 |
| 24600 | Robert Hopkins Operations, LLC | Salina, KS 67401 | Oil Operator | May 2024 |