| 16101 | Kay Jay Oil Co | Artesia, NM 88210 | Oil & Gas Operator | May 2001 |
| 16102 | Kay Lease Service | | Oil Operator | Feb 1981 |
| 16103 | Kay Operating Co. | | Oil Operator | May 1982 |
| 16104 | Kay Production Company | Seminole, OK 74868 | Oil & Gas Operator | Nov 2025 |
| 16105 | Kay-Lyn Petroleum Co. | | Oil & Gas Operator | Oct 1989 |
| 16106 | Kaye Poth Oil Corp. | Seguin, TX 78155 | Oil & Gas Operator | May 1998 |
| 16107 | Kaye R. McCown | | Oil Operator | Jun 2012 |
| 16108 | Kayuga Co. | Tulsa, OK 74133 | Oil & Gas Operator | Feb 2026 |
| 16109 | Kazmark, Adam & Tara | Elma, NY 14059 | Gas Operator | Dec 2024 |
| 16110 | KB Oil & Gas, LLC | Weatherford, OK 73096 | Oil & Gas Operator | Nov 2025 |
| 16111 | KBD Oil And Gas Production LLC | Brinkhaven, OH 43006 | Oil & Gas Operator | Dec 2024 |
| 16112 | KBG Partners, LLC | Morgantown, WV 26505 | Gas Operator | Dec 2021 |
| 16113 | KBW Oil & Gas Co | Kiowa, KS 67070 | Oil & Gas Operator | Jul 2024 |
| 16114 | KC Resources Inc | Snowmass VLG., CO 81615 | Oil & Gas Operator | Oct 2025 |
| 16115 | KC Well Service | Big Piney, WY 83113 | Gas Operator | Nov 2025 |
| 16116 | KCM Management, Inc. | Dallas, TX 75230 | Oil & Gas Operator | Oct 2014 |
| 16117 | KCP Of MS Inc | | Oil & Gas Operator | Jan 1991 |
| 16118 | KCR Energy, L.L.C. | Fate, TX 75132 | Oil Operator | Feb 2026 |
| 16119 | KCS Energy Inc | Warren, PA 16365-0187 | Oil & Gas Operator | Dec 2024 |
| 16120 | KCS Medallion Resources, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2018 |
| 16121 | KCS Mountain Resources Inc | Manderson, WY 82432 | Oil & Gas Operator | Nov 2006 |
| 16122 | KCS Resources LLC | Houston, TX 77027 | Oil & Gas Operator | Feb 2017 |
| 16123 | KCS Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2009 |
| 16124 | KD Energy, LLC | Houston, TX 77056 | Oil & Gas Operator | Feb 2026 |
| 16125 | KDM Operating, LLC | The Woodlands, TX 77380 | Oil Operator | Feb 2026 |
| 16126 | KDM Production Co | Ozona, TX 76943 | Oil & Gas Operator | Feb 2026 |
| 16127 | Ke-La-Da Enterprises, Inc. | | Oil Operator | Dec 1984 |
| 16128 | Keahey Exploration, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2002 |
| 16129 | Keane Dev | Bradford, PA 16701-3901 | Oil & Gas Operator | Dec 1998 |
| 16130 | Keas Production Company LLC | Estes Park, CO 80517 | Oil Operator | Dec 2025 |
| 16131 | Keating Energy, Inc. | FT Washington, PA 19034 | Oil & Gas Operator | Feb 2026 |
| 16132 | Keba Energy LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2015 |
| 16133 | Kebo Oil & Gas, Inc. | Portland, TX 78374 | Oil & Gas Operator | Feb 2026 |
| 16134 | Kebrh Operating LLC | | Oil & Gas Operator | Jan 2024 |
| 16135 | Kec Enterprises, Inc. | Springtown, TX 76082 | Oil & Gas Operator | Feb 2026 |
| 16136 | Kecco, Inc. | | Oil Operator | May 2002 |
| 16137 | Kechi Energy LLC | Chickasha, OK 73018 | Oil & Gas Operator | Nov 2025 |
| 16138 | Keck Partners | | Oil & Gas Operator | Apr 1989 |
| 16139 | Keck Petroleum LLC | Okmulgee, OK 74447-8516 | Oil & Gas Operator | Oct 2025 |
| 16140 | Keck Timothy A | Summerville, PA 15864-6301 | Gas Operator | Dec 2014 |
| 16141 | Kedco Management Corp | | Oil & Gas Operator | Jul 1985 |
| 16142 | Keel Dwight E | Broken Arrow, OK 74014-7569 | Oil Operator | Apr 2020 |
| 16143 | Keelex Corporation | | Oil & Gas Operator | Dec 2021 |
| 16144 | Keeley Oil, L.L.C. | Dallas, TX 75225 | Oil Operator | Feb 2026 |
| 16145 | Keen Oil Co | | Oil & Gas Operator | Aug 2025 |
| 16146 | Keen Operating Company, Inc. | Austin, TX 78705 | Oil & Gas Operator | Aug 2001 |
| 16147 | Keene, Roy J. Jr. | Sugar Land, TX 77498 | Oil & Gas Operator | Jun 2016 |
| 16148 | Keener Energy Company | Tulsa, OK 74103-4043 | Oil & Gas Operator | Jan 2014 |
| 16149 | Keener Oil & Gas Company | Tulsa, OK 74119-4416 | Oil & Gas Operator | Dec 2025 |
| 16150 | Keener Oil Compa | | Oil & Gas Operator | Jul 1988 |
| 16151 | Keener Oil Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2018 |
| 16152 | Keesee Paul Inc | Holdenville, OK 74848 | Oil & Gas Operator | Nov 1998 |
| 16153 | Keesun Corporation | Cut Bank, MT 59427 | Oil & Gas Operator | Nov 2025 |
| 16154 | Keft Oil Company | Pleasanton, TX 78064 | Oil & Gas Operator | Feb 2003 |
| 16155 | Kehl Oil & Gas Enterprises LLC | Lower Salem, OH 45745 | Oil & Gas Operator | Dec 2024 |
| 16156 | Kehler & Kehler Oil Company | Skiatook, OK 74070-3674 | Oil & Gas Operator | Feb 2005 |
| 16157 | Keicher Bros. | Cowlesville, NY 14037 | Gas Operator | Dec 2024 |
| 16158 | Keirus, Inc. | Wichita Falls, TX 76310 | Oil & Gas Operator | Feb 2026 |
| 16159 | Keisling Energy, LLC | Dumas, TX 79029 | Gas Operator | Feb 2026 |
| 16160 | Keisling, H. N. | Pampa, TX 79065 | Oil & Gas Operator | Aug 2015 |
| 16161 | Keith F Walker Oil & Gas Company LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Dec 2025 |
| 16162 | Keith Lynn Minerals LLC | Springfield, OH 45503 | Oil & Gas Operator | Dec 2024 |
| 16163 | Keith McClure | Waynesburg, PA 15370-3636 | Oil & Gas Operator | Dec 2018 |
| 16164 | Keith Petroleum Corporation | Houston, TX 77063 | Oil & Gas Operator | Jan 1993 |
| 16165 | Keith Petroleum Inc | Enid, OK 73701-6898 | Gas Operator | Oct 2022 |
| 16166 | Keith W. Burton | | Oil & Gas Operator | Jan 2025 |
| 16167 | Keith Walker O & G Co LLC | | Oil Operator | Dec 2025 |
| 16168 | Keith, Dennis | Waterville, NY 13480 | Gas Operator | Dec 2024 |
| 16169 | Keiths Pumping Service | Douglas, WY 82633 | Oil & Gas Operator | Aug 2003 |
| 16170 | Keito Gas Inc | Reno, OH 45773 | Oil & Gas Operator | Dec 2020 |
| 16171 | Kek Exploration LLC | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 16172 | Kelcas Well Services LTD | Owensboro, KY 42303 | Oil Operator | Dec 2021 |
| 16173 | Kelco Petroleum Inc | Oklahoma City, OK 73120 | Oil & Gas Operator | May 2013 |
| 16174 | Kele Exploration, Inc. | | Oil & Gas Operator | Apr 1990 |
| 16175 | Kellco Energy, LTD. | Houston, TX 77057 | Oil & Gas Operator | Nov 2007 |
| 16176 | Kelle Day Oil Producers Inc | Braman, OK 74632-9147 | Oil & Gas Operator | Dec 2023 |
| 16177 | Kelle Lambing Production Co | Braman, OK 74632-0132 | Oil & Gas Operator | Nov 2014 |
| 16178 | Keller Brothers & Co | Nelsonville, OH 45764 | Oil Operator | Dec 2019 |
| 16179 | Keller Estate Leases LLC | Bartlesville, OK 74003-3608 | Oil Operator | Aug 2012 |
| 16180 | Keller Heirs Oil | | Oil Operator | May 2025 |
| 16181 | Keller, Michael F. & Sharon Kay Ritchie | Alden, NY 14004 | Gas Operator | Dec 2024 |
| 16182 | Kellerville Operating, LLC | Pampa, TX 79065 | Oil & Gas Operator | Feb 2026 |
| 16183 | Kelley Edgar Oil & Gas Operations | | Gas Operator | Nov 2015 |
| 16184 | Kelley Industries Inc | Waynesboro, MS 39367 | Oil & Gas Operator | Jul 2005 |
| 16185 | Kelley James C Estate | Norman, OK 73072 | Oil & Gas Operator | Mar 2015 |
| 16186 | Kelley Oil & Gas | McAlester, OK 74570 | Oil & Gas Operator | May 2013 |
| 16187 | Kelley Oil & Sugar Creek Prod. | | Oil & Gas Operator | Oct 1992 |
| 16188 | Kelley Oil Corp/Yuma Petroleum | | Gas Operator | Jun 1994 |
| 16189 | Kelley Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Jan 2002 |
| 16190 | Kelley Operating Company, LTD. | | Oil & Gas Operator | Aug 2003 |
| 16191 | Kelley, Joseph R | | Oil & Gas Operator | Nov 2025 |
| 16192 | Kellogg Oil Company | Henryetta, OK 74437 | Oil & Gas Operator | Oct 2024 |
| 16193 | Kellogg, Nicole | Bergen, NY 14416 | Gas Operator | Dec 2024 |
| 16194 | Kelloil Inc | Fort Worth, TX 76116-5600 | Oil & Gas Operator | Mar 2015 |
| 16195 | Kellous Oil, Inc | | Oil Operator | Dec 2013 |
| 16196 | Kelly Bayou Production | | Oil & Gas Operator | Jan 2025 |
| 16197 | Kelly Company LC | Lenexa, KS 67215 | Oil & Gas Operator | Sep 2025 |
| 16198 | Kelly Cook Oil LLC | Shawnee, OK 74804-3148 | Oil & Gas Operator | Nov 2025 |
| 16199 | Kelly Energy Co, Inc | Henderson, KY 42420 | Oil Operator | Dec 2022 |
| 16200 | Kelly H Baxter | Austin, TX 78767 | Oil & Gas Operator | Nov 2006 |