| 15801 | Keno Oil & Gas Inc | Hennessey, OK 73742 | Oil & Gas Operator | Jan 1995 |
| 15802 | Kenoil LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 15803 | Kenson Operating Company Inc | Houston, TX 77002 | Oil & Gas Operator | Sep 2002 |
| 15804 | Kent Oil Corporation | Blanchard, OK 73010-3619 | Oil & Gas Operator | Feb 2012 |
| 15805 | Kent Resources Corp. | | Oil Operator | Dec 1983 |
| 15806 | Kent Walker | Midland, TX 79708 | Oil & Gas Operator | Sep 1999 |
| 15807 | Kent, Cameron J | Garnett, KS 66032 | Oil Operator | May 2025 |
| 15808 | Kent, Charles Operating Co. Inc. | Powell, TX 75153 | Oil & Gas Operator | Dec 2007 |
| 15809 | Kent, Jennette M. | Great Valley, NY 14741 | Gas Operator | Dec 2024 |
| 15810 | Kent, Kristin H. | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 15811 | Kent, VInce J | Garnett, KS 66032 | Oil Operator | Oct 2002 |
| 15812 | Kentex Worland LLC | Dallas, TX 75225 | Oil & Gas Operator | Oct 2025 |
| 15813 | Kentry Oil Company | Kingston, OK 73439 | Oil Operator | Aug 2002 |
| 15814 | Kentta & Drwenski | Casper, WY 82602 | Oil & Gas Operator | Nov 1995 |
| 15815 | Kentucky Exploration LLC | Lexington, KY 40509 | Oil & Gas Operator | Dec 2014 |
| 15816 | Kentucky Gas Development, LLC | | Oil & Gas Operator | Dec 2020 |
| 15817 | Kentucky Petroleum Operating, LTD | | Oil & Gas Operator | Dec 2017 |
| 15818 | Kenworthy Oil Company | Midland, TX 79710 | Oil & Gas Operator | Dec 2025 |
| 15819 | Kenworthy Operating Company | Tulsa, OK 74132 | Oil & Gas Operator | May 2009 |
| 15820 | Kep Exploration Inc | | Oil & Gas Operator | Feb 1991 |
| 15821 | Kep Exploration Inc And Haggard Ward M | | Oil & Gas Operator | Dec 1986 |
| 15822 | Kepa Energy, L.C. | Marshall, TX 75670 | Oil & Gas Operator | Mar 1998 |
| 15823 | Kepasa Corp | Oklahoma City, OK 73106 | Oil & Gas Operator | Oct 2025 |
| 15824 | Kepco Operating, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2025 |
| 15825 | Kepco. Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2015 |
| 15826 | Kephart Drilling, Inc. | Thayer, KS 66776 | Oil & Gas Operator | Dec 2008 |
| 15827 | Kepley Brothers | Chanute, KS 66720 | Oil Operator | Sep 1992 |
| 15828 | Kepley Well Service, LLC | Chanute, KS 66720 | Oil Operator | Mar 2025 |
| 15829 | Kepley, L.F. | Wichita, KS 67204 | Oil Operator | Feb 1986 |
| 15830 | Kepley, William Samuel | Chanute, KS 66720 | Oil Operator | Nov 2024 |
| 15831 | Kera-Oil | Great Bend, KS 67530 | Oil Operator | Dec 2009 |
| 15832 | Kern Co. | Houston, TX 77095 | Oil & Gas Operator | Jan 2021 |
| 15833 | Kern Front-Section 35-Partners | | Oil & Gas Operator | Sep 2025 |
| 15834 | Kern River Holdings II LLC | | Oil & Gas Operator | Oct 2025 |
| 15835 | Kernodle Bros. Oil & Gas, General Partnership | Raytown, MO 64133 | Oil Operator | Jun 2018 |
| 15836 | Kerns Larry Dba Kerns Oil | Dewey, OK 74029-2457 | Oil Operator | Nov 2017 |
| 15837 | Kerns O & G, Inc. | San Antonio, TX 78232 | Oil & Gas Operator | Dec 2004 |
| 15838 | Kerns Petroleum, Inc. | San Antonio, TX 78257 | Oil & Gas Operator | Sep 2013 |
| 15839 | Kernview Oil Co. | | Oil & Gas Operator | Dec 2003 |
| 15840 | Kerogen Resources | Gratiot, OH 43740 | Oil & Gas Operator | Dec 2004 |
| 15841 | Kerogen Texas Energy Op LLC | Houston, TX 77060 | Oil & Gas Operator | Feb 2018 |
| 15842 | Kerpoe Stanley J | Tonawanda, NY 14150-8114 | Oil & Gas Operator | Dec 1989 |
| 15843 | Kerr McGee Chem Corp | Oklahoma City, OK 73125-0861 | Gas Operator | Dec 1989 |
| 15844 | Kerr McGee Rocky MTN Corp | Denver, CO 80202-5736 | Oil & Gas Operator | Mar 2015 |
| 15845 | Kerr Oil, LLC | Iola, KS 66749 | Oil Operator | Dec 2009 |
| 15846 | Kerr, Allan A. And Shirley A. | Gowanda, NY 14070 | Gas Operator | Dec 2024 |
| 15847 | Kerr-McGee Corporation | Dallas, TX 75380 | Oil & Gas Operator | Oct 2025 |
| 15848 | Kerr-McGee Oil & Gas Corp. | Houston, TX 77251 | Oil & Gas Operator | Sep 2006 |
| 15849 | Kerr-McGee Oil & Gas Onshore LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2017 |
| 15850 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Dec 2025 |
| 15851 | Kerr-McGee Oil & Gas Onshr LLC | | Oil & Gas Operator | Dec 2005 |
| 15852 | Kerr-McGee Refining Corp | Oklahoma City, OK 73125 | Oil & Gas Operator | Jun 2007 |
| 15853 | Kerr-McGee Rocky Mountain Corp | Denver, CO 80202 | Oil & Gas Operator | Jan 2007 |
| 15854 | Kerry Oil & Gas, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jan 2004 |
| 15855 | Kerry Petroleum Co Inc | Midland, TX 79708 | Oil & Gas Operator | Jun 2010 |
| 15856 | Kersey & Company | Ellijay, GA 30540 | Oil & Gas Operator | Jan 2023 |
| 15857 | Kestrel Energy Inc | Lakewood, CO 80401 | Oil & Gas Operator | Jan 2008 |
| 15858 | Kestrel Resources, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Sep 2015 |
| 15859 | Ketal Oil Producing Company | Fort Worth, TX 76102 | Gas Operator | Sep 1995 |
| 15860 | Ketcham VIctor A | Columbus, OH 43214 | Oil Operator | Dec 2021 |
| 15861 | Kettlebrook Energy, Inc. | Westfield, NY 14787 | Gas Operator | Dec 2024 |
| 15862 | Kevin O Butler & Assoc Inc | Midland, TX 79702 | Oil & Gas Operator | Sep 2025 |
| 15863 | Kewanee Oil Comp | | Oil & Gas Operator | Nov 1996 |
| 15864 | Kewanee Oil Company | Houston, TX 77001 | Oil & Gas Operator | Aug 1978 |
| 15865 | Key Energy Corporation | Enid, OK 73702-5349 | Oil & Gas Operator | Oct 2017 |
| 15866 | Key Energy Of Colorado, Inc. | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2016 |
| 15867 | Key Energy Services Inc | Midland, TX 79705-5540 | Oil Operator | Jan 2008 |
| 15868 | Key Energy Services, Inc.Altd | | Oil Operator | Dec 2006 |
| 15869 | Key Energy Services, LLC | Houston, TX 77042 | Oil Operator | Jan 2025 |
| 15870 | Key Gas Corp. | Wichita, KS 67202 | Oil & Gas Operator | Nov 2018 |
| 15871 | Key Oil Company | Duncan, OK 73533 | Oil & Gas Operator | Dec 2021 |
| 15872 | Key Operating & Equipment, Inc. | Midlothian, TX 76065 | Oil & Gas Operator | Nov 2024 |
| 15873 | Key Operating Company Inc | Duncan, OK 73534-1284 | Oil & Gas Operator | Jan 2025 |
| 15874 | Key Petroleum Inc. | Houston, TX 77056 | Oil & Gas Operator | Aug 2003 |
| 15875 | Key Production Company, Inc. | Longview, TX 75606 | Oil & Gas Operator | Oct 2025 |
| 15876 | Key, J. J. | Lubbock, TX 79416 | Oil & Gas Operator | Dec 2025 |
| 15877 | Keybank National Association, Trustee | Brooklyn, OH 44144 | Gas Operator | Dec 2024 |
| 15878 | Keyrock Energy LLC | Johnson City, TN 37604-5749 | Oil & Gas Operator | Dec 2024 |
| 15879 | Keys Gerald W Oi | | Oil Operator | Mar 1993 |
| 15880 | Keys, Gerald Oil Production & Explor. | Humboldt, KS 66748 | Oil Operator | Mar 1999 |
| 15881 | Keyse, Ralph L. | Lane, KS 66042 | Oil Operator | Jul 2018 |
| 15882 | Keystate Inc | Davidsville, PA 15928-9655 | Gas Operator | Dec 2012 |
| 15883 | Keystone Acquisitions LLC | Anita, PA 15711-9747 | Gas Operator | Dec 2024 |
| 15884 | Keystone Energy LLC | Farmington, NM 87499 | Oil & Gas Operator | May 2025 |
| 15885 | Keystone Energy Oil & Gas Inc | Pittsburgh, PA 15222 | Oil & Gas Operator | Dec 2016 |
| 15886 | Keystone Exploration, Inc | College Sta, TX 77845 | Oil & Gas Operator | Dec 2025 |
| 15887 | Keystone Fuel Oil Co | | Gas Operator | Nov 1997 |
| 15888 | Keystone Oil And Gas Company LLC | Collinsville, OK 74021 | Oil & Gas Operator | Sep 2025 |
| 15889 | Keystone Oil Co. | Eureka, KS 67045 | Oil Operator | May 2000 |
| 15890 | Keystone Operating Co. | Round Rock, TX 78681 | Oil & Gas Operator | Dec 2025 |
| 15891 | Keystone Petroleum GP LLC | Irving, TX 75039 | Oil & Gas Operator | May 2012 |
| 15892 | Keystone Petroleum NM LLC | Irving, TX 75039 | Oil & Gas Operator | Jan 2016 |
| 15893 | Keystone Production Company | Duncan, OK 73533-9117 | Oil & Gas Operator | May 2005 |
| 15894 | Keystone Productions, LLC | | Gas Operator | Dec 2024 |
| 15895 | Keyway Oil & Gas Operating LLC | Kilgore, TX 75663 | Oil Operator | Oct 2020 |
| 15896 | KFG Petroleum Corporation | | Oil & Gas Operator | Oct 2025 |
| 15897 | KFS Investments, L.L.C. | | Oil & Gas Operator | Jul 2009 |
| 15898 | KG Oil Co | | Oil Operator | Jun 2025 |
| 15899 | Kga Oil Company, Inc. | High Island, TX 77623 | Oil & Gas Operator | Aug 2004 |
| 15900 | KGH Operating Company | Billings, MT 59115 | Oil & Gas Operator | Sep 2025 |