| 15101 | Kate F H | Oklahoma City, OK 73122 | Oil & Gas Operator | Jun 2000 |
| 15102 | Katherman Vance E | Casper, WY 82601 | Oil Operator | Dec 2004 |
| 15103 | Kathler Oil Interests | Frisco, TX 75034 | Oil & Gas Operator | May 2024 |
| 15104 | Kato Operating C | | Oil Operator | Aug 1988 |
| 15105 | Kato Operating Company | Bristow, OK 74010 | Oil & Gas Operator | Mar 2015 |
| 15106 | Katrina Energy LLC | Covington, LA 70433 | Oil Operator | Dec 2019 |
| 15107 | Katsco Energy, Inc. | Round Rock, TX 78664 | Oil & Gas Operator | May 2024 |
| 15108 | Katy Drilling Corporation | Tulsa, OK 74146-3717 | Oil & Gas Operator | Apr 2020 |
| 15109 | Katy Resources Etx, LLC | Shreveport, LA 71101 | Oil & Gas Operator | Mar 2011 |
| 15110 | Katy Resources LLC | Arlington, TX 76013 | Oil & Gas Operator | May 2024 |
| 15111 | Katz Joe Oil Acc | | Oil Operator | Oct 1995 |
| 15112 | Katz Oil Co. | San Antonio, TX 78218 | Oil & Gas Operator | Dec 2002 |
| 15113 | Kauffman K P Company Inc | Denver, CO 80202 | Oil & Gas Operator | Mar 1996 |
| 15114 | Kauthar Energy Co., Inc. | | Oil & Gas Operator | Dec 2002 |
| 15115 | Kavanaugh Energy Services, Inc. | | Gas Operator | Dec 2023 |
| 15116 | Kavouras Thomas | Apollo, PA 15613-1108 | Oil & Gas Operator | Dec 2023 |
| 15117 | Kay County Properties | Tulsa, OK 74145 | Oil & Gas Operator | May 1997 |
| 15118 | Kay Dee Oil | | Oil Operator | Dec 2023 |
| 15119 | Kay Jay Oil Co | Artesia, NM 88210 | Oil & Gas Operator | May 2001 |
| 15120 | Kay Lease Service | | Oil Operator | Feb 1981 |
| 15121 | Kay Operating Co. | | Oil Operator | May 1982 |
| 15122 | Kay Production Company Inc | Bowlegs, OK 74830-0115 | Oil & Gas Operator | Jan 2024 |
| 15123 | Kay-Lyn Petroleum Co. | | Oil & Gas Operator | Oct 1989 |
| 15124 | Kaye Poth Oil Corp. | Seguin, TX 78155 | Oil & Gas Operator | May 1998 |
| 15125 | Kaye R. McCown | | Oil Operator | Jun 2012 |
| 15126 | Kayuga Co. | Tulsa, OK 74133 | Oil & Gas Operator | May 2024 |
| 15127 | KB Oil & Gas | | Oil & Gas Operator | Feb 2024 |
| 15128 | KBD Oil And Gas Production LLC | Brinkhaven, OH 43006 | Oil & Gas Operator | Dec 2022 |
| 15129 | KBW Oil & Gas Co | Kiowa, KS 67070 | Oil & Gas Operator | Sep 2023 |
| 15130 | KC Resources Inc | Snowmass VLG., CO 81615 | Oil & Gas Operator | Jan 2024 |
| 15131 | KC Well Service | Big Piney, WY 83113 | Gas Operator | Feb 2024 |
| 15132 | KCM Management, Inc. | Dallas, TX 75230 | Oil & Gas Operator | Oct 2014 |
| 15133 | KCP Of MS Inc | | Oil & Gas Operator | Jan 1991 |
| 15134 | KCR Energy, L.L.C. | Fate, TX 75132 | Oil Operator | May 2024 |
| 15135 | KCS Energy Inc | Warren, PA 16365-0187 | Oil & Gas Operator | Dec 2023 |
| 15136 | KCS Medallion Resources, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2018 |
| 15137 | KCS Mountain Resources Inc | Manderson, WY 82432 | Oil & Gas Operator | Nov 2006 |
| 15138 | KCS Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2010 |
| 15139 | KCS Resources, LLC | Houston, TX 77027 | Oil & Gas Operator | Feb 2017 |
| 15140 | KD Energy, LLC | Houston, TX 77056 | Oil & Gas Operator | May 2024 |
| 15141 | KDM Operating, LLC | The Woodlands, TX 77380 | Oil Operator | May 2024 |
| 15142 | KDM Production Co | Ozona, TX 76943 | Oil & Gas Operator | May 2024 |
| 15143 | Ke-La-Da Enterprises, Inc. | | Oil Operator | Dec 1984 |
| 15144 | Keahey Exploration, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2002 |
| 15145 | Keane Dev | Bradford, PA 16701-3901 | Oil & Gas Operator | Dec 1998 |
| 15146 | Keas Production Company LLC | Estes Park, CO 80517 | Oil Operator | Jan 2024 |
| 15147 | Keating Energy, Inc. | Ambler, PA 19002 | Oil & Gas Operator | May 2024 |
| 15148 | Keba Energy LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2015 |
| 15149 | Kebo Oil & Gas, Inc. | Portland, TX 78374 | Oil & Gas Operator | May 2024 |
| 15150 | Kebrh Operating LLC | | Oil & Gas Operator | Dec 2023 |
| 15151 | Kec Enterprises, Inc. | Springtown, TX 76082 | Oil & Gas Operator | May 2024 |
| 15152 | Kecco, Inc. | | Oil Operator | May 2002 |
| 15153 | Kechi Energy LLC | Chickasha, OK 73023-1433 | Oil & Gas Operator | Feb 2024 |
| 15154 | Keck Partners | | Oil & Gas Operator | Apr 1989 |
| 15155 | Keck Petroleum LLC | Okmulgee, OK 74447-8516 | Oil & Gas Operator | Dec 2023 |
| 15156 | Keck Timothy A | Summerville, PA 15864-6301 | Gas Operator | Dec 2014 |
| 15157 | Kedco Management Corp | | Oil & Gas Operator | Jul 1985 |
| 15158 | Keel Dwight E | Broken Arrow, OK 74014-7569 | Oil Operator | Apr 2020 |
| 15159 | Keeler Investment GP., LLC | Burneyville, OK 73430 | Gas Operator | Mar 2024 |
| 15160 | Keelex Corporation | | Oil & Gas Operator | Dec 2021 |
| 15161 | Keeley Oil, L.L.C. | Dallas, TX 75225 | Oil Operator | May 2024 |
| 15162 | Keen Oil Co | | Oil & Gas Operator | Jan 2024 |
| 15163 | Keen Operating Company, Inc. | Austin, TX 78705 | Oil & Gas Operator | Aug 2001 |
| 15164 | Keene, Roy J. Jr. | Sugar Land, TX 77498 | Oil & Gas Operator | Jun 2016 |
| 15165 | Keener Oil & Gas Company | Tulsa, OK 74119-4416 | Oil & Gas Operator | Feb 2024 |
| 15166 | Keener Oil Compa | | Oil & Gas Operator | Jul 1988 |
| 15167 | Keener Oil Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2018 |
| 15168 | Keesun Corporation | Cut Bank, MT 59427 | Oil & Gas Operator | Jan 2024 |
| 15169 | Keft Oil Company | Pleasanton, TX 78064 | Oil & Gas Operator | Feb 2003 |
| 15170 | Kehl Oil & Gas Enterprises LLC | Lower Salem, OH 45745 | Oil & Gas Operator | Dec 2023 |
| 15171 | Kehler & Kehler Oil Company | Skiatook, OK 74070-3674 | Oil & Gas Operator | Feb 2005 |
| 15172 | Keicher Bros. | Cowlesville, NY 14037 | Gas Operator | Dec 2022 |
| 15173 | Keirus, Inc. | Wichita Falls, TX 76310 | Oil & Gas Operator | May 2024 |
| 15174 | Keisling, H. N. | Pampa, TX 79065 | Oil & Gas Operator | Aug 2015 |
| 15175 | Keith F. Walker Oil & Gas Co., LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2024 |
| 15176 | Keith Lynn Minerals LLC | Springfield, OH 45503 | Oil & Gas Operator | Dec 2023 |
| 15177 | Keith Petroleum Corporation | Houston, TX 77063 | Oil & Gas Operator | Jan 1993 |
| 15178 | Keith W. Burton | | Oil & Gas Operator | Jan 2024 |
| 15179 | Keith Walker O & G Co LLC | | Oil Operator | Jan 2024 |
| 15180 | Keith, Dennis | Waterville, NY 13480 | Gas Operator | Dec 2022 |
| 15181 | Keiths Pumping Service | Douglas, WY 82633 | Oil & Gas Operator | Aug 2003 |
| 15182 | Keito Gas Inc | Reno, OH 45773 | Oil & Gas Operator | Dec 2020 |
| 15183 | Kek Operating LLC | Midland, TX 79708 | Oil & Gas Operator | May 2024 |
| 15184 | Kelble'S Oil And Gas, LLC | Glenville, WV 26351 | Oil & Gas Operator | Dec 2021 |
| 15185 | Kelcas Well Services LTD | Owensboro, KY 42303 | Oil Operator | Dec 2021 |
| 15186 | Kele Exploration, Inc. | | Oil & Gas Operator | Apr 1990 |
| 15187 | Kellco Energy, LTD. | Houston, TX 77057 | Oil & Gas Operator | Nov 2007 |
| 15188 | Kelle Day Oil Producers Inc | Braman, OK 74632-9147 | Oil & Gas Operator | Dec 2023 |
| 15189 | Kelle Lambing Production Co | Braman, OK 74632-0132 | Oil & Gas Operator | Nov 2014 |
| 15190 | Keller Brothers & Co | Nelsonville, OH 45764 | Oil Operator | Dec 2019 |
| 15191 | Keller Estate Leases LLC | Bartlesville, OK 74003-3608 | Oil Operator | Aug 2012 |
| 15192 | Keller Heirs Oil | | Oil Operator | Jul 2023 |
| 15193 | Keller, Michael F. & Sharon Kay Ritchie | Alden, NY 14004 | Gas Operator | Dec 2022 |
| 15194 | Kellerville Operating, LLC | Canyon Lake, TX 78133 | Oil & Gas Operator | May 2024 |
| 15195 | Kelley Industries, Inc. | Waynesboro, MS 39367 | Oil & Gas Operator | Jul 2005 |
| 15196 | Kelley James C Estate | Norman, OK 73069-7520 | Oil & Gas Operator | Mar 2015 |
| 15197 | Kelley Joe Bob | Barnsdall, OK 74002 | Oil & Gas Operator | Jan 2024 |
| 15198 | Kelley Oil & Gas | McAlester, OK 74570 | Oil & Gas Operator | May 2013 |
| 15199 | Kelley Oil Corp/Yuma Petroleum | | Gas Operator | Jun 1994 |
| 15200 | Kelley Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Jan 2002 |