| 23401 | R B Robertson & Son Gas & Oil Co LP | New Bethlehem, PA 16242-0190 | Oil & Gas Operator | Dec 2024 |
| 23402 | R Baker Oil LLC | Okemah, OK 74859 | Oil & Gas Operator | May 2026 |
| 23403 | R C Bennett Co | Midland, TX 79702 | Oil & Gas Operator | Jan 2019 |
| 23404 | R C Henderson Jr | | Oil Operator | Dec 1990 |
| 23405 | R C Holdings LLC | Garber, OK 73738-5423 | Oil & Gas Operator | Oct 2025 |
| 23406 | R C Oil Company Inc | Nowata, OK 74048-3402 | Oil Operator | Nov 2021 |
| 23407 | R C Poling Co Inc | Junction City, OH 43748 | Oil & Gas Operator | Dec 2025 |
| 23408 | R C Taylor Operating Company LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | May 2026 |
| 23409 | R Cubed L L C | | Oil & Gas Operator | Dec 2023 |
| 23410 | R D T Properties | Tulsa, OK 74105-7122 | Oil & Gas Operator | Sep 2017 |
| 23411 | R D V, Inc. | | Oil Operator | May 2004 |
| 23412 | R E Blaik Inc | Edmond, OK 73013-6675 | Oil & Gas Operator | Apr 2026 |
| 23413 | R E Gas Development LLC | State College, PA 16801 | Oil & Gas Operator | Sep 2018 |
| 23414 | R E Riley & Company | Charleston, WV 25301 | Gas Operator | Dec 2024 |
| 23415 | R E Sitta Jr | Farmington, NM 874991230 | Oil & Gas Operator | Aug 2011 |
| 23416 | R F Oil | | Oil & Gas Operator | Oct 1992 |
| 23417 | R H Energy Co Inc | | Oil & Gas Operator | Sep 1989 |
| 23418 | R H Penick Co LTD | Baltimore, OH 43105 | Oil & Gas Operator | Dec 2025 |
| 23419 | R H Penick Operating | Heath, OH 43056 | Gas Operator | Dec 2024 |
| 23420 | R H S Inc | Ada, OK 74821-1252 | Oil & Gas Operator | Apr 2020 |
| 23421 | R Harris Gas & Oil Inc | Apollo, PA 15613-9636 | Oil & Gas Operator | Dec 2025 |
| 23422 | R I G Drilling Inc | Fredericktown, OH 43019 | Oil & Gas Operator | Dec 1993 |
| 23423 | R I G Producers Inc | Dewey, OK 74029 | Oil & Gas Operator | Jul 1999 |
| 23424 | R J Exploration LLC | Konawa, OK 74849 | Oil & Gas Operator | May 2026 |
| 23425 | R J Operating Company | Albany, TX 76430 | Oil & Gas Operator | Mar 2026 |
| 23426 | R Joseph & Shelby J Maney | Warren, PA 16365-3670 | Oil & Gas Operator | Dec 2025 |
| 23427 | R K Petroleum Corp. | Midland, TX 79708 | Oil & Gas Operator | May 2024 |
| 23428 | R K R Exploration | Seminole, OK 74868-9754 | Oil & Gas Operator | Mar 2015 |
| 23429 | R L Clampitt & Associates LLC | Bartlesville, OK 74006 | Oil & Gas Operator | May 2026 |
| 23430 | R L Kelly, SR. | | Oil Operator | Feb 2009 |
| 23431 | R L Operating Co LLC | | Oil Operator | Aug 2024 |
| 23432 | R L P Gulf States, LLC | | Oil & Gas Operator | Apr 2012 |
| 23433 | R L Turner Oil Company LLC | Duncan, OK 73533 | Oil Operator | Apr 2026 |
| 23434 | R M Oil & Gas Co | | Oil Operator | Jul 1999 |
| 23435 | R M S Oil & Gas | Amarillo, TX 79101-2445 | Oil & Gas Operator | Sep 1997 |
| 23436 | R R & M Oil | Okmulgee, OK 74447-8534 | Oil & Gas Operator | Oct 2015 |
| 23437 | R R Operation Inc | Cross Plains, TX 76443 | Oil & Gas Operator | Apr 2004 |
| 23438 | R S E C LLC | | Oil & Gas Operator | Nov 2002 |
| 23439 | R S E Partners-I LP | Oklahoma City, OK 731025261 | Oil & Gas Operator | Feb 2000 |
| 23440 | R S V Co, Inc | Pikeville, KY 41501 | Gas Operator | Dec 2021 |
| 23441 | R W Operating | Graford, TX 76449 | Oil & Gas Operator | Dec 2016 |
| 23442 | R W Production Company Inc | Ada, OK 74821-2693 | Oil & Gas Operator | Apr 2011 |
| 23443 | R W Ranch | San Antonio, TX 78211 | Oil Operator | Jul 2026 |
| 23444 | R Wolfe Oil & Gas LLC | Athens, OH 45701 | Oil & Gas Operator | Dec 2024 |
| 23445 | R&D Enterprises- | | Oil Operator | Dec 1988 |
| 23446 | R&F Operating Company | Carthage, TX 75633 | Oil Operator | Jul 2026 |
| 23447 | R&K Oil Co. | Nocona, TX 76255 | Oil & Gas Operator | Jul 2026 |
| 23448 | R&R Production Company, LLC | Tulsa, OK 74137 | Oil & Gas Operator | May 2026 |
| 23449 | R&R Resources Corporation | Houston, TX 77056 | Oil & Gas Operator | Dec 2015 |
| 23450 | R&R Resources LLC | | Oil & Gas Operator | Dec 2025 |
| 23451 | R-A-R Interests | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2003 |
| 23452 | R-Jann-N Oil | | Oil Operator | Dec 1999 |
| 23453 | R. & R. Exploration, Inc. | Denton, TX 76202 | Oil Operator | Nov 1993 |
| 23454 | R. A. Bridges | | Oil Operator | Jun 1991 |
| 23455 | R. A. Campbell Company | | Oil & Gas Operator | Nov 1995 |
| 23456 | R. B. Oil Company | Monahans, TX 79756 | Oil & Gas Operator | Nov 1996 |
| 23457 | R. C. Production | | Oil & Gas Operator | Nov 2024 |
| 23458 | R. D. Briscoe, Inc. | | Oil & Gas Operator | Nov 2024 |
| 23459 | R. D. Energy, Inc. | Sedan, KS 67361 | Oil Operator | Mar 2026 |
| 23460 | R. D. Finnesy Oil | | Oil Operator | Nov 2019 |
| 23461 | R. D. Wiles, Inc. | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 23462 | R. E. Markham | | Oil & Gas Operator | Mar 1995 |
| 23463 | R. E. Markham Et Al | | Gas Operator | Jun 1996 |
| 23464 | R. H. Davis | | Oil Operator | Apr 2001 |
| 23465 | R. I. P. Operating | | Oil Operator | Oct 1986 |
| 23466 | R. J. Bellevue | | Oil & Gas Operator | Dec 2025 |
| 23467 | R. J. Davenport | | Oil Operator | May 1985 |
| 23468 | R. J. Oil Co. | Olney, TX 76374 | Oil & Gas Operator | May 2025 |
| 23469 | R. K. G. Engineering, Inc. | Odessa, TX 79760 | Oil & Gas Operator | Jul 2026 |
| 23470 | R. L. Burns Corp. | | Oil & Gas Operator | Feb 1982 |
| 23471 | R. L. Davis | | Oil Operator | Dec 2024 |
| 23472 | R. L. Dempsey | | Oil Operator | Jun 1985 |
| 23473 | R. Lacy Services, LTD. | Longview, TX 75606 | Oil & Gas Operator | Jul 2026 |
| 23474 | R. M. Hobbs | | Oil Operator | Sep 2000 |
| 23475 | R. P. Nixon Operations, Inc | Hays, KS 67601 | Oil Operator | Mar 2026 |
| 23476 | R. Pannell Oil Company | Kilgore, TX 75663 | Oil Operator | Jan 2025 |
| 23477 | R. Scott Price | | Oil & Gas Operator | Dec 1994 |
| 23478 | R. V. Drummond, Et Al | | Oil Operator | Nov 1999 |
| 23479 | R. W. Ellington, Jr. | | Gas Operator | May 1985 |
| 23480 | R. W. Henry | | Oil & Gas Operator | Dec 1999 |
| 23481 | R. W. S. Oil Co. | Grandfalls, TX 79742 | Oil & Gas Operator | Jul 2026 |
| 23482 | R. W. Shull | | Oil & Gas Operator | Dec 1986 |
| 23483 | R. W. Tyson Producing Co. Inc. | | Oil & Gas Operator | Dec 2024 |
| 23484 | R.A. Campbell & Dale Expl | | Oil Operator | Nov 1995 |
| 23485 | R.B.S. Oil & Gas Inc. | San Antonio, TX 78278 | Oil & Gas Operator | Jul 2026 |
| 23486 | R.C.Bertolet & Serio Expl Co | | Oil & Gas Operator | Nov 1992 |
| 23487 | R.C.I. Energy | Alice, TX 78333 | Oil & Gas Operator | Jul 2026 |
| 23488 | R.C.S. Oil, Inc. | Conrad, MT 59425 | Oil Operator | Apr 2026 |
| 23489 | R.C.Taylor Companies, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2019 |
| 23490 | R.Chisum, Jr. & L. Shepherd | | Oil & Gas Operator | Nov 2001 |
| 23491 | R.D. Oil Company | Austin, TX 78755 | Oil & Gas Operator | Jul 2026 |
| 23492 | R.E. McDowell & Dave Gammill | | Oil Operator | May 1978 |
| 23493 | R.E.D. Resources, Inc. | Perryton, TX 79070 | Oil & Gas Operator | Apr 2004 |
| 23494 | R.E.French Oil Company, L.L.C. | Gridley, KS 66852 | Oil Operator | Nov 1999 |
| 23495 | R.E.J.A.S. Energy LLC | Tulsa, OK 74103 | Oil & Gas Operator | May 2026 |
| 23496 | R.H.S. Oil Company | | Oil Operator | Nov 2009 |
| 23497 | R.J. Patrick Operating Co. | | Oil & Gas Operator | Jun 2006 |
| 23498 | R.J. Riley Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Jul 2026 |
| 23499 | R.K.G. Operations, Inc. | Odessa, TX 79760 | Oil & Gas Operator | Jun 2004 |
| 23500 | R.P.Wilson, Inc. | Stephenville, TX 76401 | Oil & Gas Operator | Jan 2011 |