| 15901 | Kirby Exploration Co Of Texas | | Oil & Gas Operator | Nov 1993 |
| 15902 | Kirby Oil Company | | Oil Operator | Dec 2024 |
| 15903 | Kirk Billie E | Morris, OK 74445 | Oil & Gas Operator | Apr 2025 |
| 15904 | Kirk David | Midland, TX 79705 | Oil & Gas Operator | Apr 2025 |
| 15905 | Kirk Tank Trucks Inc | Morris, OK 74445 | Oil & Gas Operator | Dec 2021 |
| 15906 | Kirkconnell And Associates | | Oil & Gas Operator | Dec 1996 |
| 15907 | Kirkman W L Inco | | Oil & Gas Operator | Dec 1994 |
| 15908 | Kirkpatrick | Longton, KS 67352 | Oil Operator | Jun 2000 |
| 15909 | Kirkpatrick Oil & Gas Co. | Pampa, TX 79066 | Oil & Gas Operator | Apr 1996 |
| 15910 | Kirkpatrick Oil & Gas L.L.C. | Midland, TX 79701 | Oil & Gas Operator | Dec 2010 |
| 15911 | Kirkpatrick Oil Company | Nichols Hill, OK 73116 | Oil & Gas Operator | Jul 2025 |
| 15912 | Kirkpatrick Properties LLC | Ellinwood, KS 67526 | Oil Operator | Mar 2025 |
| 15913 | Kirkpatrick Ronald B | | Oil & Gas Operator | Jul 2013 |
| 15914 | Kirkpatrick W E | Ponca City, OK 74604-4146 | Gas Operator | Oct 2001 |
| 15915 | Kirkpatrick, John Oil LLC | Victoria, TX 77905 | Oil & Gas Operator | Jul 2025 |
| 15916 | Kirkwood Engineering, LTD | | Oil Operator | Dec 1991 |
| 15917 | Kirkwood Oil And Gas Co. | | Oil Operator | Jan 1988 |
| 15918 | Kirkwood W C | Casper, WY 82602 | Oil & Gas Operator | May 2005 |
| 15919 | Kirrie Oil Company LLC | Oklahoma City, OK 73113-0125 | Oil & Gas Operator | Apr 2025 |
| 15920 | Kirsch, Doris R. | Strykersville, NY 14145 | Gas Operator | Dec 2024 |
| 15921 | Kirtley, Ralph | | Oil & Gas Operator | Dec 2005 |
| 15922 | Kis Oil & Gas Inc | Brookville, PA 15825-4210 | Oil & Gas Operator | Dec 2014 |
| 15923 | Kisatchie Resources, LTD. | | Gas Operator | Jul 1991 |
| 15924 | Kiska Oil & Gas Inc | Tulsa, OK 74103 | Oil Operator | Oct 2012 |
| 15925 | Kiska Oil Compan | | Oil & Gas Operator | Oct 1989 |
| 15926 | Kiska Oil Company | Tulsa, OK 74114 | Oil & Gas Operator | Jan 2019 |
| 15927 | Kismet Properties, Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Jul 2025 |
| 15928 | Kiss Productions | | Oil & Gas Operator | Oct 2002 |
| 15929 | Kissack Resources. LLC | | Oil & Gas Operator | Jun 2025 |
| 15930 | Kissack Water & Oil Service Inc | Rozet, WY 82727 | Oil & Gas Operator | Jun 2025 |
| 15931 | Kissinger Petroleum Corp | | Oil & Gas Operator | Nov 1983 |
| 15932 | Kistler John & Ruth | Newcomerstown, OH 43832 | Oil & Gas Operator | Dec 1998 |
| 15933 | Kitchen, Robert (Deceased) | Osawatomie, KS 66064 | Oil Operator | Oct 2009 |
| 15934 | Kittle Oil | | Oil Operator | Jan 2025 |
| 15935 | Kiva Resources Inc. | Houston, TX 77265 | Oil & Gas Operator | Mar 2008 |
| 15936 | Kivett Kenneth W | Blackwell, OK 74631-0134 | Oil & Gas Operator | Jun 2001 |
| 15937 | Kiwanda Energy, Inc. | Denver, CO 80202 | Oil & Gas Operator | Jan 2008 |
| 15938 | Kiwanda Resc Inc | | Oil & Gas Operator | Aug 1993 |
| 15939 | Kizzar Well Servicing, Inc. | Chase, KS 67524 | Oil Operator | Mar 2025 |
| 15940 | KJ Energy, LLC | MT Enterprise, TX 75681 | Oil & Gas Operator | Jul 2024 |
| 15941 | KJ Energy, LLC Of Delaware | | Oil & Gas Operator | Nov 2016 |
| 15942 | KJB Oil Company LLC | Dewey, OK 74029-3053 | Oil Operator | Apr 2025 |
| 15943 | Kjellin, Charles Willard (Deceased) | Marion, KS 66861 | Oil & Gas Operator | Oct 2013 |
| 15944 | KJR Services LLC | Edmond, OK 73083 | Oil & Gas Operator | Feb 2025 |
| 15945 | Klabzuba Brothers LLC | Prague, OK 74864-0567 | Oil & Gas Operator | Jul 2007 |
| 15946 | Klabzuba Oil & Gas Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2012 |
| 15947 | Klabzuba Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2013 |
| 15948 | Klabzuba Royalty Company | Prague, OK 74864-0567 | Oil & Gas Operator | Dec 2019 |
| 15949 | Klaeger Operating Company II,LLC | Marble Falls, TX 78654 | Oil Operator | Jul 2025 |
| 15950 | Klaeger Operating Company, LLC | Marble Falls, TX 78654 | Oil Operator | Jul 2025 |
| 15951 | Klaeger, J. H. | Hondo, TX 78861 | Oil & Gas Operator | Dec 2009 |
| 15952 | Klassen Energy, Inc. | Cisco, TX 76437 | Oil & Gas Operator | Jul 2025 |
| 15953 | Klause & Klaus Oil Co. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2003 |
| 15954 | KLB Operating, Inc. | Plainville, KS 67663 | Oil Operator | Aug 2001 |
| 15955 | KLBW Partners LLC | Ratliff City, OK 73481 | Oil & Gas Operator | Apr 2025 |
| 15956 | KLC Petroleum Company, LLC | Henderson, KY 42420 | Oil Operator | Dec 2021 |
| 15957 | KLD Energy | | Oil & Gas Operator | Dec 2015 |
| 15958 | Kleen Oilfield Services Co | Velma, OK 73491-0178 | Oil & Gas Operator | May 2025 |
| 15959 | Kleese Development Associates | Youngstown, OH 44514 | Oil & Gas Operator | Dec 2024 |
| 15960 | Klein Oil & Logging | Alma, NY 14708 | Oil & Gas Operator | Dec 2024 |
| 15961 | Klein, J. L. | Henrietta, TX 76365 | Oil & Gas Operator | Sep 2013 |
| 15962 | Klenda, John | Marion, KS 66861 | Gas Operator | Dec 2023 |
| 15963 | KLH Oil & Gas, Inc. | Cross Plains, TX 76443 | Oil & Gas Operator | Jul 2025 |
| 15964 | Klima Oil, Inc. | Great Bend, KS 67530 | Oil Operator | Dec 2009 |
| 15965 | Klima Well Servi | | Oil Operator | Dec 1996 |
| 15966 | Klima Well Service, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Jan 2025 |
| 15967 | Klimko, Nathan J. | Attica, NY 14011 | Gas Operator | Dec 2024 |
| 15968 | Kling, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Dec 2000 |
| 15969 | Klingberg, Roger | Cross Plains, TX 76443 | Oil & Gas Operator | Jan 2017 |
| 15970 | Klinger Energy Inc | Ponca City, OK 74601-7812 | Oil & Gas Operator | Oct 2019 |
| 15971 | Klinger Shirley | Ponca City, OK 74601-7812 | Oil & Gas Operator | Apr 2025 |
| 15972 | Klingler Automatic Industries Inc | | Oil & Gas Operator | May 2025 |
| 15973 | Klippel, B.W., Jr. | Wichita, KS 67220 | Oil Operator | May 1999 |
| 15974 | KLJ Inc | Graysville, OH 45734 | Oil & Gas Operator | Dec 2002 |
| 15975 | KLM Exploration Company, Inc. | McLouth, KS 66054 | Oil Operator | Dec 2019 |
| 15976 | KLM Oil & Gas Company | Tonganoxie, KS 66086 | Oil & Gas Operator | Apr 2014 |
| 15977 | KLM Oil Operations, Inc. | El Dorado, KS 67042 | Oil Operator | Apr 1998 |
| 15978 | KLM Operating | | Oil & Gas Operator | Mar 2025 |
| 15979 | KLM Petroleum Corp. | Midland, TX 79705 | Oil & Gas Operator | Jul 2025 |
| 15980 | KLMKH Inc | Charlotte, NC 28270 | Oil Operator | Jan 2025 |
| 15981 | Klo LLC | Tulsa, OK 74120-2428 | Oil & Gas Operator | May 2025 |
| 15982 | Klo Oil & Gas, L.L.C. | Tulsa, OK 74120 | Oil & Gas Operator | Jan 2023 |
| 15983 | Kloberdanz Paul | | Gas Operator | Apr 1991 |
| 15984 | Kloberdanz, Paul E. | Oklahoma City, OK 73157 | Oil & Gas Operator | Aug 2021 |
| 15985 | Klock, Ted | Corsicana, TX 75110 | Oil Operator | Jul 2022 |
| 15986 | Klondike Investments, Inc. | Paola, KS 66071 | Oil Operator | Sep 2011 |
| 15987 | Klotzman, M. S. Exploration Co. | Victoria, TX 77903 | Oil & Gas Operator | Jul 2025 |
| 15988 | KLT Gas Inc | Woodlands, TX 77380 | Oil & Gas Operator | Sep 2004 |
| 15989 | Klug, E A & A J (Estate) | Proctor, WV 26055-0000 | Oil & Gas Operator | Dec 2021 |
| 15990 | Klutts, Carlos J. | Austin, TX 78711 | Oil & Gas Operator | Apr 2002 |
| 15991 | KMD Operating Company LLC | | Oil & Gas Operator | Dec 2015 |
| 15992 | Kmfad Oil And Gas LLC | Coshocton, OH 43812 | Oil & Gas Operator | Dec 2023 |
| 15993 | Kmi Continental Off. Prod. Co. | | Oil & Gas Operator | Jan 1988 |
| 15994 | KMK Oil & Gas, Inc. | Marshall, TX 75671 | Oil & Gas Operator | Jul 2025 |
| 15995 | KMP Operating Inc. | | Oil Operator | May 2025 |
| 15996 | KMV Consulting Inc | Winston Salem, NC 27101-2561 | Gas Operator | Dec 2012 |
| 15997 | KN Production Co. | Lakewood, CO 80228 | Oil & Gas Operator | Jun 2003 |
| 15998 | Knaup, Harry J. & Lucille | Shelby, MT 59474 | Oil Operator | Oct 2023 |
| 15999 | KND Oil & Gas, LLC | Jacksboro, TX 76458 | Oil & Gas Operator | Nov 2023 |
| 16000 | Kneer, Donna | Portland, NY 14769 | Gas Operator | Dec 2024 |