| 15901 | Kelly Operating Company | | Oil & Gas Operator | Oct 1991 |
| 15902 | Kelly Resources, LTD. | Frisco, TX 75034 | Oil & Gas Operator | Aug 2004 |
| 15903 | Kelly, Michael | Perry, NY 14530 | Gas Operator | Dec 2023 |
| 15904 | Kelly, Michael J. | Spencer, WV 25876-0000 | Oil & Gas Operator | Dec 2021 |
| 15905 | Kelmac Production Company | Braman, OK 74632-0132 | Oil Operator | Apr 2003 |
| 15906 | Kelmar Oil Company | Chickasha, OK 73018 | Oil & Gas Operator | Jan 2025 |
| 15907 | Kelpetro Operating Inc. | | Oil & Gas Operator | Dec 2021 |
| 15908 | Kelpetro, Inc. | Houston, TX 77056 | Oil & Gas Operator | Mar 2012 |
| 15909 | Kelsey Operating, Inc. | Houston, TX 77077 | Oil Operator | Feb 2022 |
| 15910 | Kelso Casing Pul | | Oil Operator | Mar 1995 |
| 15911 | Kelso Casing Pulling Of MS Inc | | Oil & Gas Operator | Dec 1993 |
| 15912 | Kelso Oil LLC | Chase, KS 67524 | Oil & Gas Operator | Apr 2007 |
| 15913 | Kelso, Mike Oil | Chase, KS 67524 | Oil Operator | Oct 2013 |
| 15914 | Kelt Energy Inco | | Oil & Gas Operator | Sep 1995 |
| 15915 | Kelt Energy, Inc. | Independence, KS 67301 | Oil & Gas Operator | Dec 2003 |
| 15916 | Kelt Oil & Gas | Houston, TX 77060 | Oil & Gas Operator | Dec 1998 |
| 15917 | Kelt Oil & Gas, Inc. | Torrance, CA 90503 | Oil & Gas Operator | Dec 2003 |
| 15918 | Kelton Co. | | Oil Operator | Dec 1964 |
| 15919 | Kelton Oil & Gas Co | Wheeler, TX 79096 | Oil Operator | Jun 1991 |
| 15920 | Kelton Operating Co., Inc. | | Oil Operator | Jul 1991 |
| 15921 | Kelton, B.J. | Rosharon, TX 77583 | Oil & Gas Operator | Apr 2025 |
| 15922 | Kem Energy Us ,LLC | | Oil & Gas Operator | Dec 2023 |
| 15923 | Kem Energy, Inc. | Katy, TX 77450 | Oil & Gas Operator | Apr 2025 |
| 15924 | Kem Enterprise Inc. | | Oil & Gas Operator | Dec 2024 |
| 15925 | Kem Ventures, LP | Katy, TX 77450 | Oil & Gas Operator | Feb 2025 |
| 15926 | Kema Oil Company, Inc. | Lebo, KS 66856 | Oil Operator | Dec 2024 |
| 15927 | Kemco Oil | Alice, TX 78332 | Oil & Gas Operator | Aug 2009 |
| 15928 | Kemmerer Coal Co | | Oil & Gas Operator | Dec 1981 |
| 15929 | Kemmerer Company Inc | Tulsa, OK 74136-7027 | Oil & Gas Operator | Jan 2025 |
| 15930 | Kemp Roy L | | Oil Operator | Jan 2011 |
| 15931 | Kemp, Walter | Talpa, TX 76882 | Gas Operator | Apr 2025 |
| 15932 | Kemper Operating Co. | Abilene, TX 79605 | Oil & Gas Operator | Nov 2015 |
| 15933 | Ken Petroleum Corporation | Dallas, TX 75206 | Oil & Gas Operator | Feb 2019 |
| 15934 | Ken Snyder Inc | Newalla, OK 74857-7107 | Oil & Gas Operator | Jan 2025 |
| 15935 | Ken-Cas Oil Co. | Levelland, TX 79336 | Oil & Gas Operator | Apr 1998 |
| 15936 | Kenai Oil & Gas Inc | | Oil & Gas Operator | Jun 1987 |
| 15937 | Kenbill Oil Comp | | Oil Operator | Jun 1994 |
| 15938 | Kendall-Davis DRLG Co, Inc | | Oil Operator | Dec 2023 |
| 15939 | Kendol Exploration Inc | Oklahoma City, OK 73105-2513 | Oil & Gas Operator | Jan 2025 |
| 15940 | Kendrick Enterprises, Inc. | Burleson, TX 76028 | Oil Operator | Jun 1985 |
| 15941 | Kendrick Oil And Gas Company | Abilene, TX 79608 | Oil & Gas Operator | Apr 2025 |
| 15942 | Kendrick Oil Co. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2008 |
| 15943 | Kendrick, Barbara S. | Baytown, TX 77521 | Oil Operator | Apr 2025 |
| 15944 | Kendrick, Paul W. | Baytown, TX 77520 | Oil & Gas Operator | Sep 2005 |
| 15945 | Keneco, Inc | | Oil & Gas Operator | Dec 2018 |
| 15946 | Kenergy Petroleum Corp | | Oil & Gas Operator | Dec 1982 |
| 15947 | Kenergy-Wainoco | | Oil & Gas Operator | Mar 1981 |
| 15948 | Kenne Exploration, Inc. | Missouri City, TX 77489 | Oil & Gas Operator | Apr 2025 |
| 15949 | Kennec Trustee* Frank | | Gas Operator | Apr 2008 |
| 15950 | Kenneco Incorpor | | Oil Operator | Sep 1984 |
| 15951 | Kennedy & Mitche | | Oil & Gas Operator | May 1990 |
| 15952 | Kennedy & Mitchell | Woodward, OK 73802 | Oil & Gas Operator | Dec 1988 |
| 15953 | Kennedy & Mitchell, Inc. | Houston, TX 77084 | Oil & Gas Operator | Aug 2013 |
| 15954 | Kennedy And Bacheller | | Oil & Gas Operator | Apr 1989 |
| 15955 | Kennedy George C | Upton, WY 82730 | Oil & Gas Operator | Oct 2018 |
| 15956 | Kennedy Oil | Gillette, WY 82716 | Oil & Gas Operator | Feb 2025 |
| 15957 | Kennedy Tracy | Wynona, OK 74084 | Oil Operator | Jan 2025 |
| 15958 | Kennedy, Billy N | | Oil & Gas Operator | Dec 2019 |
| 15959 | Kennedy, Howard E | | Oil & Gas Operator | May 1997 |
| 15960 | Kennedy, Joseph D. | Stephenville, TX 76401 | Oil & Gas Operator | Jun 1995 |
| 15961 | Kennedy, R. R. Production, Inc. | MC Camey, TX 79752 | Oil & Gas Operator | Apr 2025 |
| 15962 | Kennemer, Darrell | Boyd, TX 76023 | Oil Operator | Apr 2025 |
| 15963 | Kenneth & Regina Laymon, LLC | Neosho Falls, KS 66758 | Oil Operator | Dec 2019 |
| 15964 | Kenneth D Luff | | Oil & Gas Operator | Dec 1983 |
| 15965 | Kenneth Darnell | | Oil Operator | Jan 2025 |
| 15966 | Kenneth H. Hunter Jr. | | Oil & Gas Operator | Dec 1991 |
| 15967 | Kenneth H. Hunter Jr. Trustee Of The Hunter Living Trust | | Oil & Gas Operator | Dec 2001 |
| 15968 | Kenneth Lopez And Conway Lopez | | Oil & Gas Operator | Dec 2024 |
| 15969 | Kenneth R Ingle Associates Inc | | Oil Operator | Dec 2023 |
| 15970 | Kenneth Sperry | | Oil & Gas Operator | Dec 1992 |
| 15971 | Kenneth W. Cory, LTD. | Bellaire, TX 77401 | Oil & Gas Operator | Jan 2025 |
| 15972 | Kenny Brown Enterprises LLC | Hays, KS 67601 | Oil Operator | Jul 2013 |
| 15973 | Keno Oil & Gas Inc | Hennessey, OK 73742 | Oil & Gas Operator | Jan 1995 |
| 15974 | Kenoil LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 15975 | Kenson Operating Company Inc | Houston, TX 77002 | Oil & Gas Operator | Sep 2002 |
| 15976 | Kent Oil Corporation | Blanchard, OK 73010-3619 | Oil & Gas Operator | Feb 2012 |
| 15977 | Kent Resources Corp. | | Oil Operator | Dec 1983 |
| 15978 | Kent Walker | Midland, TX 79708 | Oil & Gas Operator | Sep 1999 |
| 15979 | Kent, Cameron J | Garnett, KS 66032 | Oil Operator | Dec 2024 |
| 15980 | Kent, Charles Operating Co. Inc. | Powell, TX 75153 | Oil & Gas Operator | Dec 2007 |
| 15981 | Kent, Greg J. & Jennette M. | Great Valley, NY 14741 | Gas Operator | Dec 2023 |
| 15982 | Kent, VInce J | Garnett, KS 66032 | Oil Operator | Oct 2002 |
| 15983 | Kentex Worland LLC | Dallas, TX 75225 | Oil & Gas Operator | Feb 2025 |
| 15984 | Kentry Oil Company | Kingston, OK 73439 | Oil Operator | Aug 2002 |
| 15985 | Kentta & Drwenski | Casper, WY 82602 | Oil & Gas Operator | Nov 1995 |
| 15986 | Kentucky Exploration LLC | Lexington, KY 40509 | Oil & Gas Operator | Dec 2014 |
| 15987 | Kentucky Gas Development, LLC | | Oil & Gas Operator | Dec 2020 |
| 15988 | Kentucky Petroleum Operating, LTD | | Oil & Gas Operator | Dec 2017 |
| 15989 | Kenworthy Oil Company | Midland, TX 79710 | Oil & Gas Operator | Apr 2025 |
| 15990 | Kenworthy Operating Company | Tulsa, OK 74132 | Oil & Gas Operator | May 2009 |
| 15991 | Kep Exploration Inc | | Oil & Gas Operator | Feb 1991 |
| 15992 | Kep Exploration Inc And Haggard Ward M | | Oil & Gas Operator | Dec 1986 |
| 15993 | Kepa Energy, L.C. | Marshall, TX 75670 | Oil & Gas Operator | Mar 1998 |
| 15994 | Kepasa Corp | Oklahoma City, OK 73106 | Oil & Gas Operator | Jan 2025 |
| 15995 | Kepco Operating, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2024 |
| 15996 | Kepco. Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2015 |
| 15997 | Kephart Drilling, Inc. | Thayer, KS 66776 | Oil & Gas Operator | Dec 2008 |
| 15998 | Kepley Brothers | Chanute, KS 66720 | Oil Operator | Sep 1992 |
| 15999 | Kepley Well Service, LLC | Chanute, KS 66720 | Oil Operator | Aug 2024 |
| 16000 | Kepley, L.F. | Wichita, KS 67204 | Oil Operator | Feb 1986 |