| 25401 | RMC Petroleum, Inc. | Midland, TX 79710 | Oil & Gas Operator | Dec 1996 |
| 25402 | Rme Austin Chalk Company | Houston, TX 77251 | Oil & Gas Operator | Nov 2002 |
| 25403 | Rme Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Nov 2016 |
| 25404 | Rmi Company | Niles, OH 44446 | Oil & Gas Operator | Dec 1984 |
| 25405 | Rmor Production | Kilgore, TX 75662 | Oil Operator | Apr 2025 |
| 25406 | RMR Drilling Com | | Oil Operator | Sep 1988 |
| 25407 | RMR Energy Resources | | Oil Operator | Dec 2024 |
| 25408 | RMR Oil Company | Jacksboro, TX 76458 | Oil & Gas Operator | Sep 2005 |
| 25409 | RMR Operating, LLC | Plano, TX 75024 | Oil & Gas Operator | Apr 2025 |
| 25410 | RMS Monte Christo, LLC | Snowmass VLG., CO 81615 | Oil & Gas Operator | Mar 2023 |
| 25411 | RMT Resources LLC | | Oil Operator | Jan 2025 |
| 25412 | RMX Oil & Gas, LLC | Zapata, TX 78076 | Oil Operator | Apr 2025 |
| 25413 | RNS Oil Co. | Rio Grande Ci, TX 78582 | Oil Operator | Apr 2025 |
| 25414 | Ro-Jo, Inc. | Highland VLG, TX 75077 | Oil & Gas Operator | Aug 2003 |
| 25415 | Roach & Assoc Inc | Pittsburgh, PA 15228-1924 | Gas Operator | Dec 2024 |
| 25416 | Roach, R. Byron Trustee | Judson, TX 75660 | Oil & Gas Operator | Mar 1999 |
| 25417 | Roach, R. Byron, Trustee, LLC | Judson, TX 75660 | Oil & Gas Operator | Mar 2007 |
| 25418 | Road Oil Sales Inc. | Tyler, TX 75711 | Oil Operator | Dec 1984 |
| 25419 | Road Runner Inc | Park City, UT 84060 | Oil & Gas Operator | Aug 2005 |
| 25420 | Roadrunner Energy | | Oil Operator | Sep 2005 |
| 25421 | Roadrunner Energy, Inc. | Tulsa, OK 74120 | Oil & Gas Operator | Mar 2015 |
| 25422 | Roan Resources LLC | Tulsa, OK 74103-3729 | Oil & Gas Operator | Apr 2024 |
| 25423 | Roanoke Corporation | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 1995 |
| 25424 | Roaring Springs Energy, LTD. | Midland, TX 79702 | Oil & Gas Operator | Feb 2010 |
| 25425 | Roark S L | | Oil & Gas Operator | Nov 1992 |
| 25426 | Roark, Nancy | Winfield, KS 67156 | Oil Operator | Dec 2004 |
| 25427 | Rob-Joe Gas & Oil Co. | Ranger, TX 76470 | Oil & Gas Operator | Apr 2025 |
| 25428 | Robbins Energy, Inc. | Longview, TX 75606 | Oil & Gas Operator | Sep 1994 |
| 25429 | Robbins Petroleum Corp. | Longview, TX 75606 | Oil & Gas Operator | Sep 1994 |
| 25430 | Robbins Thomas D & Charlene A Revocable Trust | Plano, TX 75093-7471 | Oil Operator | Jul 2018 |
| 25431 | Robbins, Jesse M. | Jamestown, NY 14701 | Gas Operator | Dec 2023 |
| 25432 | Robbins, L. C. | Seguin, TX 78155 | Oil & Gas Operator | Aug 2003 |
| 25433 | Robby Kohutek, Inc. | Ballinger, TX 76821 | Oil & Gas Operator | Apr 2025 |
| 25434 | Robco Investments, Inc. | | Oil & Gas Operator | Jul 2016 |
| 25435 | Roberson David A | Ada, OK 74821-0008 | Oil & Gas Operator | Jul 2010 |
| 25436 | Roberson Farm Equipment, Inc. | | Oil Operator | Mar 1989 |
| 25437 | Roberson Oil Company | Houston, TX 77046 | Oil & Gas Operator | Feb 2025 |
| 25438 | Roberson Well Service | | Gas Operator | Dec 2024 |
| 25439 | Roberson, Joe | Vernon, TX 76385 | Oil & Gas Operator | Feb 2015 |
| 25440 | Robert A Craig | | Oil Operator | Jul 2020 |
| 25441 | Robert A. Cohan | | Oil & Gas Operator | Jan 2018 |
| 25442 | Robert C Dintelman | Farmington, NM 87401 | Oil & Gas Operator | Jan 2000 |
| 25443 | Robert C. Brower, LLC | Southlake, TX 76092 | Oil & Gas Operator | Apr 2025 |
| 25444 | Robert C. Pettit | | Oil & Gas Operator | Feb 1986 |
| 25445 | Robert D Chenault | Farmington, NM 87402 | Oil & Gas Operator | Oct 2020 |
| 25446 | Robert D Valerius Inc. | | Oil Operator | Mar 1996 |
| 25447 | Robert D. VIgue | | Oil Operator | Dec 2000 |
| 25448 | Robert E McDowell | | Oil Operator | Dec 1998 |
| 25449 | Robert E. & Ruby C. Beasley Trustees | | Oil & Gas Operator | Dec 1990 |
| 25450 | Robert E. Landreth | Midland, TX 79701 | Oil & Gas Operator | Jun 2014 |
| 25451 | Robert G Cox & Assoc La Inc. | | Oil & Gas Operator | Jun 1994 |
| 25452 | Robert H Forrest Jr Oil LLC | Carlsbad, NM 88220 | Oil & Gas Operator | Feb 2025 |
| 25453 | Robert Hawkins Inc | Kevin, MT 59454 | Oil & Gas Operator | Feb 2025 |
| 25454 | Robert Hopkins Operations, LLC | Salina, KS 67401 | Oil Operator | Nov 2019 |
| 25455 | Robert J & Wilma J Webster | Edinboro, PA 16412-4928 | Gas Operator | Dec 2018 |
| 25456 | Robert K. Freeman | | Oil Operator | Jul 1991 |
| 25457 | Robert L Bayless | Farmington, NM 87499 | Oil & Gas Operator | Nov 2003 |
| 25458 | Robert L Bayless Producer, LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2025 |
| 25459 | Robert L Love | Hobbs, NM 88240 | Oil & Gas Operator | May 1997 |
| 25460 | Robert L Parker Trust | Tulsa, OK BADADDR | Oil & Gas Operator | Oct 2003 |
| 25461 | Robert L. Waterbury | | Oil & Gas Operator | Nov 2001 |
| 25462 | Robert L. Waterbury, L.L.C. | | Oil & Gas Operator | Dec 2024 |
| 25463 | Robert M. Mills | | Oil Operator | Oct 2017 |
| 25464 | Robert N Enfield | Santa Fe, NM 87501 | Oil & Gas Operator | Nov 1997 |
| 25465 | Robert P. Artzberger | | Oil & Gas Operator | Dec 1979 |
| 25466 | Robert P. Wilson, Inc. | Montclair, NJ 07043 | Gas Operator | Dec 2019 |
| 25467 | Robert R Click | Dallas, TX 75231 | Oil & Gas Operator | Dec 1994 |
| 25468 | Robert S. Barnwell, III | | Oil & Gas Operator | Oct 1984 |
| 25469 | Robert S. Harwell, Inc. | Edmond, OK 73034 | Oil Operator | Nov 2019 |
| 25470 | Robert Sumpf | | Gas Operator | Dec 1990 |
| 25471 | Robert T. Epperson Prod Co, LLC | Tyler, TX 75713 | Gas Operator | Dec 2017 |
| 25472 | Robert W. Berry Inc. | | Gas Operator | Dec 1988 |
| 25473 | Robert W. Lee Investments | | Oil & Gas Operator | Dec 1998 |
| 25474 | Robert W. Omeara | | Oil & Gas Operator | Sep 1988 |
| 25475 | Robert-Gay Energ | | Oil & Gas Operator | Jun 1992 |
| 25476 | Robert-Gay Energy Enterprises | Hutchinson, KS 67501 | Oil Operator | Nov 1999 |
| 25477 | Roberta Hutton/Robert Hutton | Iola, KS 66749 | Oil Operator | Oct 2007 |
| 25478 | Roberts & Bunch Resources | | Oil & Gas Operator | Dec 1993 |
| 25479 | Roberts & Hammack, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Apr 2025 |
| 25480 | Roberts & Murphy | | Oil & Gas Operator | Sep 1995 |
| 25481 | Roberts & Murphy, Inc. | Shreveport, LA 71137 | Oil & Gas Operator | Apr 2016 |
| 25482 | Roberts & Roberts Enterprise,Inc | Levelland, TX 79336 | Oil & Gas Operator | Jun 1996 |
| 25483 | Roberts Brothers | | Oil Operator | Oct 1993 |
| 25484 | Roberts Herman | Henderson, NV 89014 | Oil Operator | Jul 2023 |
| 25485 | Roberts Oil Corp. | | Oil & Gas Operator | Sep 1982 |
| 25486 | Roberts Resources, Inc. | Wichita, KS 67275 | Oil & Gas Operator | Dec 2024 |
| 25487 | Roberts Zetau J Fisk | Moore, OK 73160 | Oil & Gas Operator | Sep 1993 |
| 25488 | Roberts, Charles J. | Alden, NY 14004 | Gas Operator | Dec 2023 |
| 25489 | Roberts, Harry S &/Or McKinley Ray | Paintsville, KY 41240 | Oil & Gas Operator | Dec 2019 |
| 25490 | Roberts, Jeffrey L | Glenville, WV 26351-0000 | Gas Operator | Dec 2021 |
| 25491 | Roberts, Oliver M | | Oil & Gas Operator | Dec 2021 |
| 25492 | Roberts, Randy | Sedan, KS 67361 | Oil & Gas Operator | Dec 2024 |
| 25493 | Roberts, Robert S. Dba K & R Operating Co. | | Gas Operator | Dec 2021 |
| 25494 | Roberts, Wayne & Janet | | Oil & Gas Operator | Dec 2021 |
| 25495 | Robertson Energy, LLC | | Oil & Gas Operator | Dec 2024 |
| 25496 | Robertson Farms, LLC | Calhoun, KY 42327 | Oil Operator | Dec 2023 |
| 25497 | Robertson Jay Estate | Tulsa, OK 74127-3029 | Oil & Gas Operator | Jul 2013 |
| 25498 | Robertson Johnie J | Okmulgee, OK 74447-8765 | Oil & Gas Operator | Jan 2025 |
| 25499 | Robertson Resources, Inc. | Midland, TX 79708 | Oil & Gas Operator | Apr 2025 |
| 25500 | Robertson Wayne H | Elkhart, KS 67590 | Oil Operator | Dec 2012 |