| 14401 | J.H. R., Inc. | Bridgeville, PA 15017 | Oil Operator | Jan 2013 |
| 14402 | J.H.R. Corporation | Bridgeville, PA 15017 | Oil & Gas Operator | Jul 2001 |
| 14403 | J.J. Bunkirt Oil & Gas Corp. | Powell, WY 82435 | Oil & Gas Operator | Aug 2020 |
| 14404 | J.J. Energy Company | Richardson, TX 75081 | Oil & Gas Operator | Sep 2025 |
| 14405 | J.L.H. Enterprises, Inc. | | Oil & Gas Operator | Mar 1989 |
| 14406 | J.M. Oil L.L.C. | | Oil & Gas Operator | Jan 2025 |
| 14407 | J.M.Huber Corp., & Kerr-McGee | | Oil & Gas Operator | Aug 1984 |
| 14408 | J.P. Oil Company LLC | | Oil & Gas Operator | Jun 2025 |
| 14409 | J.P. Oil Company, Inc. | Midland, TX 79702 | Oil & Gas Operator | Sep 2025 |
| 14410 | J.R. Oil And Gas Inc. | Alvin, TX 77511 | Oil & Gas Operator | Sep 2025 |
| 14411 | J.R. Oil Company | Houston, TX 77007 | Oil & Gas Operator | Jul 2019 |
| 14412 | J.R. Oil Productions | | Oil Operator | Jul 2019 |
| 14413 | J.R. Vann | | Oil & Gas Operator | Dec 1979 |
| 14414 | J.R.W. Oil & Gas | | Gas Operator | Sep 2021 |
| 14415 | J.S. & S. Production, L.L.C. | | Oil Operator | Apr 2021 |
| 14416 | J.S.B. Oil Company | Hallettsville, TX 77964 | Oil & Gas Operator | Sep 2025 |
| 14417 | J.T. Oil Company | Monahans, TX 79756 | Oil & Gas Operator | Sep 2018 |
| 14418 | J.W. Briggs & W.B. Briggs | | Oil Operator | Jul 1994 |
| 14419 | J.W. Service Company | Smithville, TX 78957 | Oil & Gas Operator | Sep 2025 |
| 14420 | J.W.S. | Talpa, TX 76882 | Oil & Gas Operator | Sep 2025 |
| 14421 | J/A Productions LLC | Kellyville, OK 74039-0544 | Oil Operator | Jul 2025 |
| 14422 | J2R Energy, LLC | Houston, TX 77084 | Oil Operator | Sep 2025 |
| 14423 | J3 Energy | Purcell, OK 73080 | Oil & Gas Operator | Sep 2003 |
| 14424 | J3 Energy LLC | Ada, OK 74820 | Oil Operator | Jun 2025 |
| 14425 | J6 Operating, LLC | Shiner, TX 77984 | Oil Operator | Mar 2009 |
| 14426 | Jab Enterprises Inc | Erie, PA 16510-2181 | Gas Operator | Dec 2009 |
| 14427 | Jab Operating, Inc. | San Antonio, TX 78205 | Oil & Gas Operator | Dec 2008 |
| 14428 | Jabsco Oil Operating, LLC | Tuscaloosa, AL 35401 | Oil & Gas Operator | Jun 2025 |
| 14429 | Jac-Mac Energy Corporation | Oklahoma City, OK 73170 | Oil & Gas Operator | Jun 2025 |
| 14430 | Jacat Oil Co. | | Oil Operator | Dec 1990 |
| 14431 | Jack A Cole | Farmington, NM 874990191 | Oil & Gas Operator | Mar 1995 |
| 14432 | Jack Co | Indiana, PA 15701-0697 | Oil & Gas Operator | Dec 2013 |
| 14433 | Jack Corman | | Oil & Gas Operator | Jul 1981 |
| 14434 | Jack D Knox | Dallas, TX 75219 | Oil Operator | Jun 2024 |
| 14435 | Jack E. Stack, Jr. | | Oil & Gas Operator | Aug 1996 |
| 14436 | Jack Exploration, Inc. | Sulphur, OK 73086 | Oil & Gas Operator | Oct 2017 |
| 14437 | Jack Huff | Midland, TX 79705 | Oil & Gas Operator | May 2025 |
| 14438 | Jack J. Grynberg | Denver, CO 80202 | Oil & Gas Operator | Oct 2019 |
| 14439 | Jack L. Phillips | | Oil & Gas Operator | Aug 1994 |
| 14440 | Jack L. Phillips Co. | Gladewater, TX 756471686 | Oil & Gas Operator | Jul 2025 |
| 14441 | Jack Latham Co. | | Oil & Gas Operator | Jun 2018 |
| 14442 | Jack Markham | Lubbock, TX 79401 | Oil & Gas Operator | Dec 2015 |
| 14443 | Jack Moran Oil Co | Martinsburg, OH 43037 | Oil & Gas Operator | Dec 2009 |
| 14444 | Jack Oil Company | Baird, TX 79504 | Oil & Gas Operator | Apr 1994 |
| 14445 | Jack Oil Company L.L.C. | Duncan, OK 73533 | Oil & Gas Operator | Jun 2025 |
| 14446 | Jack Production Inc | Indiana, PA 15701-0697 | Oil & Gas Operator | Dec 2011 |
| 14447 | Jack Russell Oil, LLC | Fairfield, TX 75840 | Oil & Gas Operator | Sep 2025 |
| 14448 | Jack Showacre | | Oil Operator | Jun 2002 |
| 14449 | Jack T. Everett | | Oil & Gas Operator | Jan 2006 |
| 14450 | Jack Taunton Energy | | Oil Operator | May 2002 |
| 14451 | Jack Todd-Despot Expl., Inc. | | Oil & Gas Operator | Apr 1985 |
| 14452 | Jack W Sanders & Son, General Partnership | Wellsville, KS 66092 | Oil Operator | Dec 2024 |
| 14453 | Jack W. Grigsby | | Oil & Gas Operator | Sep 2001 |
| 14454 | Jackass Flats Oil & Gas Co | Edmond, OK 73013 | Gas Operator | Jan 2015 |
| 14455 | Jackie D Nelson | | Oil & Gas Operator | Sep 1983 |
| 14456 | Jackknife Oil | Longton, KS 67352 | Oil Operator | Apr 1989 |
| 14457 | Jackman & Jackma | | Oil Operator | Jan 1986 |
| 14458 | Jacks Creek Oil & Gas-W T Lindsey, Agent | Pikeville, KY 41501 | Gas Operator | Dec 2023 |
| 14459 | Jackson & Richardson, Inc | Lafollette, TN 37766 | Gas Operator | Dec 2023 |
| 14460 | Jackson Bros. | Vernon, TX 76384 | Oil & Gas Operator | Jul 2016 |
| 14461 | Jackson Brothers | | Oil Operator | Dec 1996 |
| 14462 | Jackson Brothers, L.L.C. | Eureka, KS 67045 | Oil Operator | May 2025 |
| 14463 | Jackson Donald W Trust | Blue Eye, MO 65611-7293 | Gas Operator | Aug 2015 |
| 14464 | Jackson Dorwin R | | Oil Operator | Sep 1995 |
| 14465 | Jackson Emma Trust | Duncan, OK 73534-1388 | Oil & Gas Operator | Oct 2016 |
| 14466 | Jackson Energy Development, Inc. | Cedar Park, TX 78613 | Oil & Gas Operator | Sep 2025 |
| 14467 | Jackson Fuel Corporation | Buckhannon, WV 26201 | Oil & Gas Operator | Dec 2021 |
| 14468 | Jackson Investments | Graham, TX 76450 | Oil & Gas Operator | Sep 2025 |
| 14469 | Jackson J M | Oklahoma City, OK 73101 | Oil & Gas Operator | Apr 2005 |
| 14470 | Jackson John J | | Oil Operator | Nov 1993 |
| 14471 | Jackson L B Production Co | Tulsa, OK 74193-0001 | Oil & Gas Operator | Aug 2013 |
| 14472 | Jackson Oil | Powell, TX 75153 | Oil & Gas Operator | Sep 2025 |
| 14473 | Jackson Oil & Gas | Abilene, TX 79602 | Oil & Gas Operator | Dec 2001 |
| 14474 | Jackson Oil Company | Ranger, TX 76470 | Oil & Gas Operator | Sep 1998 |
| 14475 | Jackson Oilfield Service Inc | Purcell, OK 73080-4357 | Oil & Gas Operator | Jan 2021 |
| 14476 | Jackson Petroleum Co., Inc. | | Oil & Gas Operator | Feb 2010 |
| 14477 | Jackson Petroleum Consult Inc | Dallas, TX 75287 | Oil & Gas Operator | Aug 1994 |
| 14478 | Jackson Petroleum Consulting,Inc | Plano, TX 75075 | Oil & Gas Operator | Sep 2019 |
| 14479 | Jackson Production Co. | Rockdale, TX 76567 | Oil & Gas Operator | Mar 2008 |
| 14480 | Jackson Resources Co | | Oil & Gas Operator | Dec 2018 |
| 14481 | Jackson Well Service | | Oil Operator | Apr 2001 |
| 14482 | Jackson, Brian & Janet | Elsmore, KS 66732 | Oil Operator | Jun 2024 |
| 14483 | Jackson, D. L., & Son | Jacksboro, TX 76458 | Oil & Gas Operator | May 2001 |
| 14484 | Jackson, Donald W. | Borger, TX 79008 | Oil & Gas Operator | Dec 2001 |
| 14485 | Jackson, Howard Dba Jackson Enterprises | Williamsburg, KY 40769 | Oil & Gas Operator | Dec 2023 |
| 14486 | Jackson, Jeral W. Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | May 2004 |
| 14487 | Jackson, Joshua And Reacreisha | Mapleton, KS 66754 | Oil Operator | Mar 2025 |
| 14488 | Jackson, Levi | Mound City, KS 66056 | Oil Operator | Apr 2025 |
| 14489 | Jackson, Michael, Jackson Cheryl, Wallace, Thomas | Wellsville, NY 14895 | Oil & Gas Operator | Dec 2024 |
| 14490 | Jackson, Neil A. | Snyder, TX 79549 | Oil & Gas Operator | Dec 1993 |
| 14491 | Jackson, Norville W & Charlotte L | | Oil & Gas Operator | Dec 2010 |
| 14492 | Jacky G. Rivers | | Oil & Gas Operator | Jan 2025 |
| 14493 | Jaco Energy Company Inc | Stigler, OK 74462 | Gas Operator | Jun 2025 |
| 14494 | Jaco Oil & Gas | Borger, TX 79008 | Oil & Gas Operator | Sep 2025 |
| 14495 | Jaco Oil & Gas Co. | Dallas, TX 75206 | Oil & Gas Operator | Apr 1998 |
| 14496 | Jaco Production Company | Bakersfield, CA 93380 | Oil Operator | Jun 2025 |
| 14497 | Jaco, Troy Inc. | Sherman, TX 75091 | Oil & Gas Operator | Sep 2025 |
| 14498 | Jacobi-Johnson Energy, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Dec 1998 |
| 14499 | Jacobs Fred T | | Oil Operator | Apr 1991 |
| 14500 | Jacobs Jean | Hurdle Mills, NC 27541 | Oil & Gas Operator | May 2013 |