| 16101 | Keener Energy Company | Tulsa, OK 74103-4043 | Oil & Gas Operator | Jan 2014 |
| 16102 | Keener Oil & Gas Company | Tulsa, OK 74119-4416 | Oil & Gas Operator | Dec 2025 |
| 16103 | Keener Oil Compa | | Oil & Gas Operator | Jul 1988 |
| 16104 | Keener Oil Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2018 |
| 16105 | Keesee Paul Inc | Holdenville, OK 74848 | Oil & Gas Operator | Nov 1998 |
| 16106 | Keesun Corporation | Cut Bank, MT 59427 | Oil & Gas Operator | Dec 2025 |
| 16107 | Keft Oil Company | Pleasanton, TX 78064 | Oil & Gas Operator | Feb 2003 |
| 16108 | Kehl Oil & Gas Enterprises LLC | Lower Salem, OH 45745 | Oil & Gas Operator | Dec 2024 |
| 16109 | Kehler & Kehler Oil Company | Skiatook, OK 74070-3674 | Oil & Gas Operator | Feb 2005 |
| 16110 | Keicher Bros. | Cowlesville, NY 14037 | Gas Operator | Dec 2024 |
| 16111 | Keirus, Inc. | Wichita Falls, TX 76310 | Oil & Gas Operator | Feb 2026 |
| 16112 | Keisling Energy, LLC | Dumas, TX 79029 | Gas Operator | Feb 2026 |
| 16113 | Keisling, H. N. | Pampa, TX 79065 | Oil & Gas Operator | Aug 2015 |
| 16114 | Keith F Walker Oil & Gas Company LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Dec 2025 |
| 16115 | Keith Lynn Minerals LLC | Springfield, OH 45503 | Oil & Gas Operator | Dec 2024 |
| 16116 | Keith McClure | Waynesburg, PA 15370-3636 | Oil & Gas Operator | Dec 2025 |
| 16117 | Keith Petroleum Corporation | Houston, TX 77063 | Oil & Gas Operator | Jan 1993 |
| 16118 | Keith Petroleum Inc | Enid, OK 73701-6898 | Gas Operator | Oct 2022 |
| 16119 | Keith W. Burton | | Oil & Gas Operator | Jan 2025 |
| 16120 | Keith Walker O & G Co LLC | | Oil Operator | Dec 2025 |
| 16121 | Keith, Dennis | Waterville, NY 13480 | Gas Operator | Dec 2024 |
| 16122 | Keiths Pumping Service | Douglas, WY 82633 | Oil & Gas Operator | Aug 2003 |
| 16123 | Keito Gas Inc | Reno, OH 45773 | Oil & Gas Operator | Dec 2020 |
| 16124 | Kek Exploration LLC | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 16125 | Kelcas Well Services LTD | Owensboro, KY 42303 | Oil Operator | Dec 2021 |
| 16126 | Kelco Petroleum Inc | Oklahoma City, OK 73120 | Oil & Gas Operator | May 2013 |
| 16127 | Kele Exploration, Inc. | | Oil & Gas Operator | Apr 1990 |
| 16128 | Kellco Energy, LTD. | Houston, TX 77057 | Oil & Gas Operator | Nov 2007 |
| 16129 | Kelle Day Oil Producers Inc | Braman, OK 74632-9147 | Oil & Gas Operator | Dec 2023 |
| 16130 | Kelle Lambing Production Co | Braman, OK 74632-0132 | Oil & Gas Operator | Nov 2014 |
| 16131 | Keller Brothers & Co | Nelsonville, OH 45764 | Oil Operator | Dec 2019 |
| 16132 | Keller Estate Leases LLC | Bartlesville, OK 74003-3608 | Oil Operator | Aug 2012 |
| 16133 | Keller Heirs Oil | | Oil Operator | May 2025 |
| 16134 | Keller, Michael F. & Sharon Kay Ritchie | Alden, NY 14004 | Gas Operator | Dec 2024 |
| 16135 | Kellerville Operating, LLC | Pampa, TX 79065 | Oil & Gas Operator | Feb 2026 |
| 16136 | Kelley Edgar Oil & Gas Operations | | Gas Operator | Nov 2015 |
| 16137 | Kelley Industries Inc | Waynesboro, MS 39367 | Oil & Gas Operator | Jul 2005 |
| 16138 | Kelley James C Estate | Norman, OK 73072 | Oil & Gas Operator | Mar 2015 |
| 16139 | Kelley Oil & Gas | McAlester, OK 74570 | Oil & Gas Operator | May 2013 |
| 16140 | Kelley Oil & Sugar Creek Prod. | | Oil & Gas Operator | Oct 1992 |
| 16141 | Kelley Oil Corp/Yuma Petroleum | | Gas Operator | Jun 1994 |
| 16142 | Kelley Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Jan 2002 |
| 16143 | Kelley Operating Company, LTD. | | Oil & Gas Operator | Aug 2003 |
| 16144 | Kelley, Joseph R | | Oil & Gas Operator | Nov 2025 |
| 16145 | Kellogg Oil Company | Henryetta, OK 74437 | Oil & Gas Operator | Oct 2024 |
| 16146 | Kellogg, Nicole | Bergen, NY 14416 | Gas Operator | Dec 2024 |
| 16147 | Kelloil Inc | Fort Worth, TX 76116-5600 | Oil & Gas Operator | Mar 2015 |
| 16148 | Kellous Oil, Inc | | Oil Operator | Dec 2013 |
| 16149 | Kelly Bayou Production | | Oil & Gas Operator | Jan 2025 |
| 16150 | Kelly Company LC | Lenexa, KS 67215 | Oil & Gas Operator | Sep 2025 |
| 16151 | Kelly Cook Oil LLC | Shawnee, OK 74804-3148 | Oil & Gas Operator | Nov 2025 |
| 16152 | Kelly Energy Co, Inc | Henderson, KY 42420 | Oil Operator | Dec 2022 |
| 16153 | Kelly H Baxter | Austin, TX 78767 | Oil & Gas Operator | Nov 2006 |
| 16154 | Kelly James O | | Oil Operator | Apr 2000 |
| 16155 | Kelly Jr Walter A Opr Co | Stillwater, OK 74076 | Oil & Gas Operator | Apr 2014 |
| 16156 | Kelly Mahler Operating, LLC | Graham, TX 76450 | Oil Operator | Feb 2026 |
| 16157 | Kelly Oil | Tulsa, OK 74105 | Oil Operator | Dec 2000 |
| 16158 | Kelly Oil And Gas Inc | | Oil Operator | Mar 1999 |
| 16159 | Kelly Oil Co Inc | | Oil & Gas Operator | Sep 2013 |
| 16160 | Kelly Operating Company | | Oil & Gas Operator | Oct 1991 |
| 16161 | Kelly Resources, LTD. | Frisco, TX 75034 | Oil & Gas Operator | Aug 2004 |
| 16162 | Kelly, Michael | Perry, NY 14530 | Gas Operator | Dec 2024 |
| 16163 | Kelly, Michael J. | Spencer, WV 25876-0000 | Oil & Gas Operator | Dec 2021 |
| 16164 | Kelmac Production Company | Braman, OK 74632-0132 | Oil Operator | Apr 2003 |
| 16165 | Kelmar Oil Company | Chickasha, OK 73018 | Oil & Gas Operator | Dec 2025 |
| 16166 | Kelpetro Operating Inc. | | Oil & Gas Operator | Dec 2021 |
| 16167 | Kelpetro, Inc. | Houston, TX 77056 | Oil & Gas Operator | Mar 2012 |
| 16168 | Kelsey Operating, Inc. | Houston, TX 77077 | Oil Operator | Feb 2022 |
| 16169 | Kelso Casing Pul | | Oil Operator | Mar 1995 |
| 16170 | Kelso Casing Pulling Of MS Inc | | Oil & Gas Operator | Dec 1993 |
| 16171 | Kelso Oil LLC | Chase, KS 67524 | Oil & Gas Operator | Apr 2007 |
| 16172 | Kelso, Mike Oil | Chase, KS 67524 | Oil Operator | Oct 2013 |
| 16173 | Kelt Energy Inco | | Oil & Gas Operator | Sep 1995 |
| 16174 | Kelt Energy, Inc. | Independence, KS 67301 | Oil & Gas Operator | Dec 2003 |
| 16175 | Kelt Oil & Gas | Houston, TX 77060 | Oil & Gas Operator | Dec 1998 |
| 16176 | Kelt Oil & Gas, Inc. | Torrance, CA 90503 | Oil & Gas Operator | Dec 2003 |
| 16177 | Kelton Co. | | Oil Operator | Dec 1964 |
| 16178 | Kelton Oil & Gas Co | Wheeler, TX 79096 | Oil Operator | Jun 1991 |
| 16179 | Kelton Operating Co., Inc. | | Oil Operator | Jul 1991 |
| 16180 | Kelton, B.J. | Rosharon, TX 77583 | Oil & Gas Operator | Feb 2026 |
| 16181 | Kem Energy Us ,LLC | | Oil & Gas Operator | Dec 2023 |
| 16182 | Kem Energy, Inc. | Katy, TX 77450 | Oil & Gas Operator | Feb 2026 |
| 16183 | Kem Enterprise Inc. | | Oil & Gas Operator | Nov 2025 |
| 16184 | Kem Ventures, LP | Katy, TX 77450 | Oil & Gas Operator | Dec 2025 |
| 16185 | Kema Oil Company, Inc. | Lebo, KS 66856 | Oil Operator | Sep 2025 |
| 16186 | Kemco Oil | Alice, TX 78332 | Oil & Gas Operator | Aug 2009 |
| 16187 | Kemmerer Coal Co | | Oil & Gas Operator | Dec 1981 |
| 16188 | Kemmerer Company Inc | Tulsa, OK 74136-7027 | Oil & Gas Operator | Feb 2025 |
| 16189 | Kemp Roy L | | Oil Operator | Jan 2011 |
| 16190 | Kemp, Walter | Talpa, TX 76882 | Gas Operator | Feb 2026 |
| 16191 | Kemper Operating Co. | Abilene, TX 79605 | Oil & Gas Operator | Nov 2015 |
| 16192 | Ken Petroleum Corporation | Dallas, TX 75206 | Oil & Gas Operator | Feb 2019 |
| 16193 | Ken Snyder Inc | Newalla, OK 74857-7107 | Oil & Gas Operator | Nov 2025 |
| 16194 | Ken-Cas Oil Co. | Levelland, TX 79336 | Oil & Gas Operator | Apr 1998 |
| 16195 | Kenai Oil & Gas Inc | | Oil & Gas Operator | Jun 1987 |
| 16196 | Kenbill Oil Comp | | Oil Operator | Jun 1994 |
| 16197 | Kendall-Davis DRLG Co, Inc | | Oil Operator | Dec 2023 |
| 16198 | Kendol Exploration Inc | Oklahoma City, OK 73105-2513 | Oil & Gas Operator | Mar 2025 |
| 16199 | Kendrick Oil And Gas Company | Abilene, TX 79608 | Oil & Gas Operator | Feb 2026 |
| 16200 | Kendrick Oil Co. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2008 |