| 15501 | Keystone Oil And Gas Company LLC | Collinsville, OK 74021 | Oil & Gas Operator | Apr 2026 |
| 15502 | Keystone Oil Co. | Eureka, KS 67045 | Oil Operator | May 2000 |
| 15503 | Keystone Operating Co. | Round Rock, TX 78681 | Oil & Gas Operator | Aug 2026 |
| 15504 | Keystone Petroleum GP LLC | Irving, TX 75039 | Oil & Gas Operator | May 2012 |
| 15505 | Keystone Petroleum NM LLC | Irving, TX 75039 | Oil & Gas Operator | Jan 2016 |
| 15506 | Keystone Production Company | Duncan, OK 73533-9117 | Oil & Gas Operator | May 2005 |
| 15507 | Keystone Productions, LLC | | Gas Operator | Dec 2024 |
| 15508 | Keyway Oil & Gas Operating LLC | Kilgore, TX 75663 | Oil Operator | Oct 2020 |
| 15509 | KFG Petroleum Corporation | | Oil & Gas Operator | Jun 2026 |
| 15510 | KG Oil Co | | Oil Operator | Mar 2026 |
| 15511 | Kga Oil Company, Inc. | High Island, TX 77623 | Oil & Gas Operator | Aug 2004 |
| 15512 | KGH Operating Company | Billings, MT 59115 | Oil & Gas Operator | May 2026 |
| 15513 | Khoil Dakota Operating, LLC | | Oil & Gas Operator | May 2026 |
| 15514 | Kiamichi Oil & Gas | Whitehouse, TX 75791 | Oil Operator | Oct 1997 |
| 15515 | Kiamichi Resources Inc | Oklahoma City, OK 73143 | Oil & Gas Operator | Feb 2016 |
| 15516 | Kiawah Resources, LLC | Houston, TX 77056 | Oil & Gas Operator | Nov 2017 |
| 15517 | Kibbe, Anna S. | Falfurrias, TX 78355 | Oil & Gas Operator | Sep 1998 |
| 15518 | Kibtec Oil & Gas Inc | Cashion, OK 73016 | Oil & Gas Operator | Aug 2024 |
| 15519 | Kickapoo Oil Co | Baton Rouge, LA 70815 | Gas Operator | Feb 1994 |
| 15520 | Kidd Bill R | Bristow, OK 74010-9721 | Oil Operator | Jan 2013 |
| 15521 | Kidd Charlie Drilling | Utica, OH 43080 | Oil & Gas Operator | Dec 2002 |
| 15522 | Kidd Johnson Oil & Gas | San Angelo, TX 76904 | Oil & Gas Operator | Feb 2013 |
| 15523 | Kidd Johnson Oil & Gas, LLC | San Angelo, TX 76904 | Oil & Gas Operator | Aug 2026 |
| 15524 | Kidd Oil & Gas, LC | Dallas, TX 75219 | Oil & Gas Operator | Apr 1999 |
| 15525 | Kidd Production Co. | Luling, TX 78648 | Oil & Gas Operator | Aug 2026 |
| 15526 | Kidd William E Production | Gambier, OH 43022 | Oil & Gas Operator | Dec 1993 |
| 15527 | Kidder Exploration Inc | | Gas Operator | Dec 1991 |
| 15528 | Kidder, Bruce | Jamestown, NY 14701 | Gas Operator | Dec 2025 |
| 15529 | Kids Future, L.L.C. | Bivins, TX 75555 | Oil Operator | Aug 2026 |
| 15530 | Kiefer Oil And Gas Co Inc | Sapulpa, OK 74066 | Oil & Gas Operator | Apr 2011 |
| 15531 | Kienzle John A | Shawnee, OK 74802-1265 | Oil & Gas Operator | Aug 2013 |
| 15532 | Kiesling Oil Company | Osage, WY 82723 | Oil & Gas Operator | Oct 2007 |
| 15533 | Kiester Operating Company | Oklahoma City, OK 73106 | Oil & Gas Operator | May 2026 |
| 15534 | Kilbarger Investments Inc | Logan, OH 43138 | Oil & Gas Operator | Dec 2025 |
| 15535 | Kilby, M. T. | Yates Center, KS 66783 | Oil Operator | Sep 1986 |
| 15536 | Kilco, Inc. | | Gas Operator | Sep 1996 |
| 15537 | Kile Production | Cypress, TX 77410 | Oil & Gas Operator | Aug 2014 |
| 15538 | Killam Oil Co., LTD. | Laredo, TX 78042 | Oil & Gas Operator | Aug 2026 |
| 15539 | Killam Oil Company | Laredo, TX 78042 | Oil & Gas Operator | Mar 1994 |
| 15540 | Killbuck Creek Oil Co LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 15541 | Killbuck Oilfield Service | Killbuck, OH 44637 | Oil & Gas Operator | Dec 2022 |
| 15542 | Killer Rabbit Fields LLC | Monahans, TX 79756 | Oil & Gas Operator | Aug 2026 |
| 15543 | Killian, Jeffrey M | Bowling Green, KY 42101 | Oil Operator | Dec 2023 |
| 15544 | Killingsworth Oil Co. | Longview, TX 75606 | Oil & Gas Operator | Aug 2026 |
| 15545 | Killingsworth, Lee Operator | Longview, TX 75601 | Oil & Gas Operator | Jan 1999 |
| 15546 | Killion Well Service Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2014 |
| 15547 | Kilmarnock Oil Company, Inc. | Corsicana, TX 75110 | Oil & Gas Operator | Aug 2026 |
| 15548 | Kilpatrick Production Company | Tye, TX 79563 | Oil & Gas Operator | Aug 2026 |
| 15549 | Kilroy Co. Of Texas, Inc. | | Oil & Gas Operator | Jun 1991 |
| 15550 | Kilroy Co.- E.L. Cox | | Oil & Gas Operator | Aug 1990 |
| 15551 | Kim Ray Oil & Gas | Ada, OK 74820 | Oil & Gas Operator | Apr 2026 |
| 15552 | Kimball Production Co. | Houston, TX 77042 | Oil & Gas Operator | Jul 2002 |
| 15553 | Kimbark Oil & Ga | | Oil & Gas Operator | Aug 1992 |
| 15554 | Kimbark Oil & Gas Company | Denver, CO 80203 | Oil & Gas Operator | May 2007 |
| 15555 | Kimbell Oil Company Of Texas | Fort Worth, TX 76102 | Oil & Gas Operator | May 2026 |
| 15556 | Kimbell Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2026 |
| 15557 | Kimberlin & Huitt | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 1998 |
| 15558 | Kimberlin & Miller | Dallas, TX 75230 | Oil & Gas Operator | Aug 2026 |
| 15559 | Kimberlin Energy Group | Dallas, TX 75235 | Oil & Gas Operator | Aug 2026 |
| 15560 | Kimble Oil Company, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2006 |
| 15561 | Kimbrel Oil Corporation | Tulsa, OK 74114 | Oil & Gas Operator | Aug 2026 |
| 15562 | Kimbrough Engineering Co, LLC | New Braunfels, TX 78132 | Oil & Gas Operator | Dec 2014 |
| 15563 | Kimbrough Oil Company | Iraan, TX 79744 | Oil Operator | Aug 2026 |
| 15564 | Kimbrough, D. E. | Iraan, TX 79744 | Oil & Gas Operator | Aug 2026 |
| 15565 | Kimco Energy Corporation | | Oil & Gas Operator | Apr 1989 |
| 15566 | Kimco Inc. | Spencer, WV 25276-1007 | Oil & Gas Operator | Dec 2021 |
| 15567 | Kimco Oil And Gas | Wewoka, OK 74884-0613 | Oil & Gas Operator | Jul 2016 |
| 15568 | Kime Brothers | Avon, NY 14414 | Gas Operator | Dec 2025 |
| 15569 | Kimlar Oil Company | Kermit, TX 79745 | Oil & Gas Operator | Aug 2026 |
| 15570 | Kimleco Petroleum, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 2026 |
| 15571 | Kimmel Glenn | Shelocta, PA 15774-2233 | Gas Operator | Dec 2024 |
| 15572 | Kimmeridge Texas Gas, LLC | Houston, TX 77024 | Oil & Gas Operator | Jul 2025 |
| 15573 | Kimraco Oil Inc | Pawnee, OK 74058-2869 | Oil & Gas Operator | Apr 2016 |
| 15574 | Kimsey, Roy E., Jr. | Midland, TX 79701 | Oil & Gas Operator | May 2018 |
| 15575 | Kimzey Drilling | | Oil Operator | Nov 2009 |
| 15576 | Kincaid Etal, Inc. | Holliday, TX 76366 | Oil Operator | Aug 2026 |
| 15577 | Kincaid, Joey | Holliday, TX 76366 | Oil & Gas Operator | Mar 2005 |
| 15578 | Kindee Oil & Gas Louisiana, LLC | | Oil & Gas Operator | Aug 2012 |
| 15579 | Kindee Oil & Gas Texas, LLC | Houston, TX 77084 | Oil & Gas Operator | Apr 2016 |
| 15580 | Kinder & Petty | Graham, TX 76450 | Oil & Gas Operator | Aug 2026 |
| 15581 | Kinder Gas Inc | | Oil Operator | Dec 2011 |
| 15582 | Kinder Morgan Co2 Company, L.P. | Houston, TX 77002 | Oil & Gas Operator | May 2026 |
| 15583 | Kinder Morgan Inc | Lakewood, CO 80228 | Oil & Gas Operator | Dec 2011 |
| 15584 | Kinder Morgan Production Co LLC | Midland, TX 79705 | Oil & Gas Operator | Aug 2026 |
| 15585 | Kinder Morgan Production Co LP | Midland, TX 79701 | Oil & Gas Operator | Jul 2007 |
| 15586 | Kinder Morgan Sacroc LP | Snyder, TX 79549 | Oil & Gas Operator | Dec 2003 |
| 15587 | Kinder Morgan Tejas Pipeline LLC | Houston, TX 77002 | Oil & Gas Operator | Aug 2026 |
| 15588 | Kinder Morgan Treating LP | | Oil Operator | Jun 2019 |
| 15589 | Kinderhook Dawson Prod | | Oil Operator | Dec 2013 |
| 15590 | Kinderhook Oil & | | Oil Operator | Dec 1993 |
| 15591 | Kindervag Robert | | Oil Operator | Jun 1991 |
| 15592 | Kindred Petroleum Company | Midland, TX 79702 | Oil & Gas Operator | Aug 2026 |
| 15593 | Kinetic Energy Co., Inc. | | Oil & Gas Operator | Jan 1992 |
| 15594 | Kinetica Partners, LLC | | Oil Operator | Dec 2024 |
| 15595 | King & Kelly | Tulsa, OK 74103 | Oil Operator | Aug 1993 |
| 15596 | King & West | Wichita Falls, TX 76307 | Oil & Gas Operator | May 1994 |
| 15597 | King Daniel L | | Oil Operator | May 1994 |
| 15598 | King Drilling Co | Seville, OH 44273 | Oil & Gas Operator | Dec 2025 |
| 15599 | King Energy Co. | | Oil Operator | Nov 2019 |
| 15600 | King Energy Comp | | Oil Operator | Dec 1996 |