| 15301 | Kentucky Gas Development, LLC | | Oil & Gas Operator | Dec 2020 |
| 15302 | Kentucky Processing Plant, LLC | | Oil & Gas Operator | Dec 2024 |
| 15303 | Kentucky River Oil & Gas, LLC | | Oil Operator | Dec 2024 |
| 15304 | Kenworthy Oil Company | Midland, TX 79710 | Oil & Gas Operator | Jun 2026 |
| 15305 | Kenworthy Operating Company | Tulsa, OK 74132 | Oil & Gas Operator | May 2009 |
| 15306 | Kep Exploration Inc | | Oil & Gas Operator | Feb 1991 |
| 15307 | Kep Exploration Inc And Haggard Ward M | | Oil & Gas Operator | Dec 1986 |
| 15308 | Kepa Energy, L.C. | Marshall, TX 75670 | Oil & Gas Operator | Mar 1998 |
| 15309 | Kepasa Corp | Oklahoma City, OK 73106 | Oil & Gas Operator | Mar 2026 |
| 15310 | Kepco Operating, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2026 |
| 15311 | Kepco. Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2015 |
| 15312 | Kephart Drilling, Inc. | Thayer, KS 66776 | Oil & Gas Operator | Dec 2008 |
| 15313 | Kepley Brothers | Chanute, KS 66720 | Oil Operator | Sep 1992 |
| 15314 | Kepley Well Service, LLC | Chanute, KS 66720 | Oil Operator | Mar 2025 |
| 15315 | Kepley, L.F. | Wichita, KS 67204 | Oil Operator | Feb 1986 |
| 15316 | Kepley, William Samuel | Chanute, KS 66720 | Oil Operator | Nov 2024 |
| 15317 | Kera-Oil | Great Bend, KS 67530 | Oil Operator | Dec 2009 |
| 15318 | Kern Co. | Houston, TX 77095 | Oil & Gas Operator | Jan 2021 |
| 15319 | Kern Front-Section 35-Partners | | Oil & Gas Operator | Dec 2025 |
| 15320 | Kern River Holdings II LLC | | Oil & Gas Operator | Mar 2026 |
| 15321 | Kernodle Bros. Oil & Gas, General Partnership | Raytown, MO 64133 | Oil Operator | Jun 2018 |
| 15322 | Kerns Larry Dba Kerns Oil | Dewey, OK 74029-2457 | Oil Operator | Nov 2017 |
| 15323 | Kerns O & G, Inc. | San Antonio, TX 78232 | Oil & Gas Operator | Dec 2004 |
| 15324 | Kerns Petroleum, Inc. | San Antonio, TX 78257 | Oil & Gas Operator | Sep 2013 |
| 15325 | Kernview Oil Co. | | Oil & Gas Operator | Dec 2003 |
| 15326 | Kerogen Resources | Gratiot, OH 43740 | Oil & Gas Operator | Dec 2004 |
| 15327 | Kerogen Texas Energy Op LLC | Houston, TX 77060 | Oil & Gas Operator | Feb 2018 |
| 15328 | Kerpoe Stanley J | Tonawanda, NY 14150-8114 | Oil & Gas Operator | Dec 1989 |
| 15329 | Kerr McGee Chem Corp | | Gas Operator | Dec 1989 |
| 15330 | Kerr McGee Rocky MTN Corp | Denver, CO 80202-5736 | Oil & Gas Operator | Mar 2015 |
| 15331 | Kerr Oil, LLC | Iola, KS 66749 | Oil Operator | Dec 2009 |
| 15332 | Kerr, Allan A. And Shirley A. | Gowanda, NY 14070 | Gas Operator | Dec 2024 |
| 15333 | Kerr-McGee Corporation | Dallas, TX 75380 | Oil & Gas Operator | Feb 2026 |
| 15334 | Kerr-McGee Oil & Gas Corp. | Houston, TX 77251 | Oil & Gas Operator | Sep 2006 |
| 15335 | Kerr-McGee Oil & Gas Onshore LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2017 |
| 15336 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Jun 2026 |
| 15337 | Kerr-McGee Oil & Gas Onshr LLC | | Oil & Gas Operator | Dec 2005 |
| 15338 | Kerr-McGee Refining Corp | Oklahoma City, OK 73125 | Oil & Gas Operator | Jun 2007 |
| 15339 | Kerr-McGee Rocky Mountain Corp | Denver, CO 80202 | Oil & Gas Operator | Jan 2007 |
| 15340 | Kerry Oil & Gas, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jan 2004 |
| 15341 | Kerry Petroleum Co Inc | Midland, TX 79708 | Oil & Gas Operator | Jun 2010 |
| 15342 | Kersey & Company | Ellijay, GA 30540 | Oil & Gas Operator | Jan 2023 |
| 15343 | Kestrel Energy Inc | Lakewood, CO 80401 | Oil & Gas Operator | Jan 2008 |
| 15344 | Kestrel Resources, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Sep 2015 |
| 15345 | Ketcham VIctor A | Columbus, OH 43214 | Oil Operator | Dec 2021 |
| 15346 | Kettlebrook Energy, Inc. | Westfield, NY 14787 | Gas Operator | Dec 2024 |
| 15347 | Kevin O Butler & Assoc Inc | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 15348 | Kewanee Oil Comp | | Oil & Gas Operator | Nov 1996 |
| 15349 | Kewanee Oil Company | Houston, TX 77001 | Oil & Gas Operator | Aug 1978 |
| 15350 | Key Energy Corporation | Enid, OK 73702-5349 | Oil & Gas Operator | Oct 2017 |
| 15351 | Key Energy Of Colorado, Inc. | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2016 |
| 15352 | Key Energy Services Inc | Midland, TX 79705-5540 | Oil Operator | Jan 2008 |
| 15353 | Key Energy Services, Inc.Altd | | Oil Operator | Dec 2006 |
| 15354 | Key Energy Services, LLC | Houston, TX 77042 | Oil Operator | Jan 2025 |
| 15355 | Key Gas Corp. | Wichita, KS 67202 | Oil & Gas Operator | Nov 2018 |
| 15356 | Key Oil Company | Duncan, OK 73533 | Oil & Gas Operator | Dec 2021 |
| 15357 | Key Operating & Equipment, Inc. | Midlothian, TX 76065 | Oil & Gas Operator | Nov 2024 |
| 15358 | Key Operating Company Inc | Duncan, OK 73534-1284 | Oil & Gas Operator | Jan 2025 |
| 15359 | Key Petroleum Inc. | Houston, TX 77056 | Oil & Gas Operator | Aug 2003 |
| 15360 | Key Production Company, Inc. | Longview, TX 75606 | Oil & Gas Operator | Apr 2026 |
| 15361 | Key, J. J. | Lubbock, TX 79416 | Oil & Gas Operator | Jun 2026 |
| 15362 | Keybank National Association, Trustee | Brooklyn, OH 44144 | Gas Operator | Dec 2024 |
| 15363 | Keyrock Energy LLC | Johnson City, TN 37604-5749 | Oil & Gas Operator | Dec 2024 |
| 15364 | Keys Gerald W Oi | | Oil Operator | Mar 1993 |
| 15365 | Keys, Gerald Oil Production & Explor. | Humboldt, KS 66748 | Oil Operator | Mar 1999 |
| 15366 | Keyse, Ralph L. | Lane, KS 66042 | Oil Operator | Jul 2018 |
| 15367 | Keystone Acquisitions LLC | Anita, PA 15711-9747 | Gas Operator | Dec 2025 |
| 15368 | Keystone Energy LLC | Farmington, NM 87499 | Oil & Gas Operator | May 2026 |
| 15369 | Keystone Energy Oil & Gas Inc | Pittsburgh, PA 15222 | Oil & Gas Operator | Dec 2016 |
| 15370 | Keystone Exploration, Inc | College Sta, TX 77845 | Oil & Gas Operator | Jun 2026 |
| 15371 | Keystone Fuel Oil Co | | Gas Operator | Nov 1997 |
| 15372 | Keystone Oil And Gas Company LLC | Collinsville, OK 74021 | Oil & Gas Operator | Apr 2026 |
| 15373 | Keystone Oil Co. | Eureka, KS 67045 | Oil Operator | May 2000 |
| 15374 | Keystone Operating Co. | Round Rock, TX 78681 | Oil & Gas Operator | Jun 2026 |
| 15375 | Keystone Petroleum GP LLC | Irving, TX 75039 | Oil & Gas Operator | May 2012 |
| 15376 | Keystone Petroleum NM LLC | Irving, TX 75039 | Oil & Gas Operator | Jan 2016 |
| 15377 | Keystone Production Company | Duncan, OK 73533-9117 | Oil & Gas Operator | May 2005 |
| 15378 | Keystone Productions, LLC | | Gas Operator | Dec 2024 |
| 15379 | Keyway Oil & Gas Operating LLC | Kilgore, TX 75663 | Oil Operator | Oct 2020 |
| 15380 | KFG Petroleum Corporation | | Oil & Gas Operator | Apr 2026 |
| 15381 | KG Oil Co | | Oil Operator | Dec 2025 |
| 15382 | Kga Oil Company, Inc. | High Island, TX 77623 | Oil & Gas Operator | Aug 2004 |
| 15383 | KGH Operating Company | Billings, MT 59115 | Oil & Gas Operator | Apr 2026 |
| 15384 | Khoil Dakota Operating, LLC | | Oil & Gas Operator | Apr 2026 |
| 15385 | Kiamichi Oil & Gas | Whitehouse, TX 75791 | Oil Operator | Oct 1997 |
| 15386 | Kiamichi Resources Inc | Oklahoma City, OK 73143 | Oil & Gas Operator | Feb 2016 |
| 15387 | Kiawah Resources, LLC | Houston, TX 77056 | Oil & Gas Operator | Nov 2017 |
| 15388 | Kibbe, Anna S. | Falfurrias, TX 78355 | Oil & Gas Operator | Sep 1998 |
| 15389 | Kibtec Oil & Gas Inc | Cashion, OK 73016 | Oil & Gas Operator | Aug 2024 |
| 15390 | Kickapoo Oil Co | Baton Rouge, LA 70815 | Gas Operator | Feb 1994 |
| 15391 | Kidd Bill R | Bristow, OK 74010-9721 | Oil Operator | Jan 2013 |
| 15392 | Kidd Charlie Drilling | Utica, OH 43080 | Oil & Gas Operator | Dec 2002 |
| 15393 | Kidd Johnson Oil & Gas | San Angelo, TX 76904 | Oil & Gas Operator | Feb 2013 |
| 15394 | Kidd Oil & Gas, LC | Dallas, TX 75219 | Oil & Gas Operator | Apr 1999 |
| 15395 | Kidd Production Co. | Luling, TX 78648 | Oil & Gas Operator | Jun 2026 |
| 15396 | Kidd William E Production | Gambier, OH 43022 | Oil & Gas Operator | Dec 1993 |
| 15397 | Kidder Exploration Inc | Jamestown, NY 14701-5613 | Gas Operator | Dec 1991 |
| 15398 | Kidder, Bruce | Jamestown, NY 14701 | Gas Operator | Dec 2024 |
| 15399 | Kids Future, L.L.C. | Bivins, TX 75555 | Oil Operator | Jun 2026 |
| 15400 | Kiefer Oil And Gas Co Inc | Sapulpa, OK 74066 | Oil & Gas Operator | Apr 2011 |