| 14401 | J. D. Oil & Gas, Inc. | North Canton, OH 44720 | Oil & Gas Operator | Dec 2011 |
| 14402 | J. D. Ward Oil Company | | Oil Operator | Oct 2002 |
| 14403 | J. E. Baker | | Oil Operator | Dec 1998 |
| 14404 | J. E. Farrell | | Gas Operator | Nov 1990 |
| 14405 | J. E. Hughes | | Oil & Gas Operator | Jan 1987 |
| 14406 | J. E. Parker | | Oil Operator | Nov 1991 |
| 14407 | J. F. G. Enterprises | Artesia, NM 88210 | Oil & Gas Operator | Apr 1995 |
| 14408 | J. F. Shelby Operating Agency | | Oil & Gas Operator | Nov 1986 |
| 14409 | J. G. Floyd | | Oil Operator | Jun 1985 |
| 14410 | J. G. Sutton Oil Co., Inc. | | Oil Operator | Mar 1988 |
| 14411 | J. H. Wilkins | | Gas Operator | Dec 2024 |
| 14412 | J. Herrick Pro | | Oil Operator | Feb 2025 |
| 14413 | J. Hus Hawkins | | Oil & Gas Operator | Feb 1989 |
| 14414 | J. I. Hathaway Opr. | | Oil & Gas Operator | Dec 1988 |
| 14415 | J. K. Brown, Inc. | Littleton, CO 80161 | Gas Operator | Dec 2019 |
| 14416 | J. K. J. Company | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 14417 | J. Kirin Oil & Gas LLC | | Oil Operator | Aug 2024 |
| 14418 | J. L. Shoalmire | | Oil & Gas Operator | Dec 2006 |
| 14419 | J. L. Davis | | Oil & Gas Operator | Dec 1985 |
| 14420 | J. L. Dews | | Oil Operator | Jan 2025 |
| 14421 | J. M. Huber Corp. | Houston, TX 77079 | Oil & Gas Operator | Sep 2004 |
| 14422 | J. M. Peters Co. Inc. | | Oil & Gas Operator | Dec 1990 |
| 14423 | J. M. Teutsch, Inc. | | Oil Operator | Feb 1998 |
| 14424 | J. M. Van Horn Operator | | Oil Operator | Dec 1989 |
| 14425 | J. O. Kimbrell, Jr. | | Oil & Gas Operator | Dec 1992 |
| 14426 | J. P. Boyter | | Oil Operator | Dec 2024 |
| 14427 | J. P. Boyter, Et Al | | Oil Operator | Jun 1993 |
| 14428 | J. P. M. Investments, LTD. | | Oil & Gas Operator | Sep 1988 |
| 14429 | J. P. Owen & Co. Inc. | | Oil & Gas Operator | Feb 1991 |
| 14430 | J. P. Van Way | | Oil & Gas Operator | Dec 2024 |
| 14431 | J. P. Van Way, SR. | | Oil Operator | Dec 1989 |
| 14432 | J. Pryor Lester, Jr. | | Oil Operator | Mar 1990 |
| 14433 | J. R. Pounds, Inc. | Laurel, MS 39441 | Oil & Gas Operator | Mar 2025 |
| 14434 | J. Rodney Fontenot | | Oil & Gas Operator | Jul 2011 |
| 14435 | J. S. Blanton | | Oil Operator | May 1986 |
| 14436 | J. T. Bierden, Jr. | | Oil Operator | Feb 1993 |
| 14437 | J. V. Wynn | | Oil & Gas Operator | Dec 1991 |
| 14438 | J. W. Bailey | | Oil Operator | Dec 1991 |
| 14439 | J. W. Burton | | Oil & Gas Operator | Jul 1990 |
| 14440 | J. W. Oil | | Oil Operator | Dec 2024 |
| 14441 | J. W. Resources Inc. | Amarillo, TX 79159 | Oil & Gas Operator | Jun 2025 |
| 14442 | J. Willis Hughes | | Oil & Gas Operator | Sep 1984 |
| 14443 | J.A. Seglund,Inc. | | Oil & Gas Operator | May 1982 |
| 14444 | J.A.G. Oil & Gas | La Vernia, TX 78121 | Oil & Gas Operator | Jun 2025 |
| 14445 | J.A.M. Production | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 14446 | J.B. Exploration | Cactus, TX 79013 | Oil & Gas Operator | Sep 1997 |
| 14447 | J.C. Operating | Breckenridge, TX 76424 | Oil & Gas Operator | Aug 2016 |
| 14448 | J.C.L. Production, Inc. | Burkburnett, TX 76354 | Oil & Gas Operator | Jun 2025 |
| 14449 | J.D. Drilling Co. | Basehor, KS 66007 | Oil & Gas Operator | Dec 2023 |
| 14450 | J.D. Pittman Operating LLC | Edmond, OK 73025 | Oil & Gas Operator | Mar 2025 |
| 14451 | J.E.B. Oil Research, Inc. | Neodesha, KS 66757 | Gas Operator | Sep 2003 |
| 14452 | J.F.G. Oil Co. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2008 |
| 14453 | J.F.S. Production Co., Inc. | Houston, TX 77027 | Oil & Gas Operator | Apr 1995 |
| 14454 | J.F.W. Equipment, Inc. | Centerville, TX 75833 | Oil & Gas Operator | Jun 2025 |
| 14455 | J.H. Oil, Inc. (A) | Tuscola, TX 79562 | Oil & Gas Operator | Dec 2004 |
| 14456 | J.H. R., Inc. | Bridgeville, PA 15017 | Oil Operator | Jan 2013 |
| 14457 | J.H.R. Corporation | Bridgeville, PA 15017 | Oil & Gas Operator | Jul 2001 |
| 14458 | J.J. Bunkirt Oil & Gas Corp. | Powell, WY 82435 | Oil & Gas Operator | Aug 2020 |
| 14459 | J.J. Energy Company | Richardson, TX 75081 | Oil & Gas Operator | Jun 2025 |
| 14460 | J.L.H. Enterprises, Inc. | | Oil & Gas Operator | Mar 1989 |
| 14461 | J.M. Oil L.L.C. | | Oil & Gas Operator | Jan 2025 |
| 14462 | J.M.Huber Corp., & Kerr-McGee | | Oil & Gas Operator | Aug 1984 |
| 14463 | J.P. Oil Company LLC | | Oil & Gas Operator | Apr 2025 |
| 14464 | J.P. Oil Company, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 2025 |
| 14465 | J.R. Oil And Gas Inc. | Alvin, TX 77511 | Oil & Gas Operator | Jun 2025 |
| 14466 | J.R. Oil Company | Houston, TX 77007 | Oil & Gas Operator | Jul 2019 |
| 14467 | J.R. Oil Productions | | Oil Operator | Jul 2019 |
| 14468 | J.R. Vann | | Oil & Gas Operator | Dec 1979 |
| 14469 | J.R.W. Oil & Gas | | Gas Operator | Sep 2021 |
| 14470 | J.S. & S. Production, L.L.C. | | Oil Operator | Apr 2021 |
| 14471 | J.S.B. Oil Company | Hallettsville, TX 77964 | Oil & Gas Operator | Jun 2025 |
| 14472 | J.T. Oil Company | Monahans, TX 79756 | Oil & Gas Operator | Sep 2018 |
| 14473 | J.W. Briggs & W.B. Briggs | | Oil Operator | Jul 1994 |
| 14474 | J.W. Service Company | Smithville, TX 78957 | Oil & Gas Operator | Jun 2025 |
| 14475 | J.W.S. | Talpa, TX 76882 | Oil & Gas Operator | Jun 2025 |
| 14476 | J/A Productions LLC | Kellyville, OK 74039-0544 | Oil Operator | Mar 2025 |
| 14477 | J2R Energy, LLC | Houston, TX 77084 | Oil Operator | Jun 2025 |
| 14478 | J3 Energy | Purcell, OK 73080 | Oil & Gas Operator | Sep 2003 |
| 14479 | J3 Energy LLC | Ada, OK 74820 | Oil Operator | Mar 2025 |
| 14480 | J3 Operating LLC | Spurger, TX 77660 | Oil & Gas Operator | Aug 2024 |
| 14481 | J6 Operating, LLC | Shiner, TX 77984 | Oil Operator | Mar 2009 |
| 14482 | Jab Enterprises Inc | Erie, PA 16510-2181 | Gas Operator | Dec 2009 |
| 14483 | Jab Operating, Inc. | San Antonio, TX 78205 | Oil & Gas Operator | Dec 2008 |
| 14484 | Jabsco Oil Operating, LLC | Tuscaloosa, AL 35401 | Oil & Gas Operator | Mar 2025 |
| 14485 | Jac Producing Co | Skellytown, TX 79080 | Gas Operator | May 2014 |
| 14486 | Jac-Mac Energy Corporation | Oklahoma City, OK 73170 | Oil & Gas Operator | Mar 2025 |
| 14487 | Jacat Oil Co. | | Oil Operator | Dec 1990 |
| 14488 | Jack A Cole | Farmington, NM 874990191 | Oil & Gas Operator | Mar 1995 |
| 14489 | Jack Co | Indiana, PA 15701-0697 | Oil & Gas Operator | Dec 2013 |
| 14490 | Jack Corman | | Oil & Gas Operator | Jul 1981 |
| 14491 | Jack D Knox | Dallas, TX 75219 | Oil Operator | Jun 2024 |
| 14492 | Jack E. Stack, Jr. | | Oil & Gas Operator | Aug 1996 |
| 14493 | Jack Exploration, Inc. | Sulphur, OK 73086 | Oil & Gas Operator | Oct 2017 |
| 14494 | Jack Huff | Midland, TX 79705 | Oil & Gas Operator | Mar 2025 |
| 14495 | Jack J. Grynberg | Denver, CO 80202 | Oil & Gas Operator | Oct 2019 |
| 14496 | Jack L. Phillips | | Oil & Gas Operator | Aug 1994 |
| 14497 | Jack L. Phillips Co. | Gladewater, TX 756471686 | Oil & Gas Operator | Nov 2024 |
| 14498 | Jack Latham Co. | | Oil & Gas Operator | Jun 2018 |
| 14499 | Jack Markham | Lubbock, TX 79401 | Oil & Gas Operator | Dec 2015 |
| 14500 | Jack Moran Oil Co | Martinsburg, OH 43037 | Oil & Gas Operator | Dec 2009 |