| 16101 | Kohler Industrial Nat. Gas, Inc. | Kohler, WI 53044 | Gas Operator | Dec 2000 |
| 16102 | Kojo Energy, Inc. | Odessa, TX 79760 | Oil & Gas Operator | Oct 2025 |
| 16103 | Koko Skadi, LLC | Austin, TX 78731 | Oil & Gas Operator | Oct 2025 |
| 16104 | Kokomo Energy, Inc. | Gorman, TX 76454 | Oil & Gas Operator | Oct 2025 |
| 16105 | Kokomo Oil Company | Houston, TX 77227 | Oil & Gas Operator | Apr 1998 |
| 16106 | Kolar Petroleum Inc | Oklahoma City, OK 73162-1509 | Oil & Gas Operator | Jun 2007 |
| 16107 | Kolb, James | Aspermont, TX 79502 | Oil & Gas Operator | Jul 2003 |
| 16108 | Kolibri Energy Us, Inc. | Thousand Oaks, CA 91320-1272 | Oil & Gas Operator | Jun 2025 |
| 16109 | Kollao Properties LLC | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 16110 | Kolodczak, Debra | North Collins, NY 14111 | Gas Operator | Dec 2024 |
| 16111 | Konantz, Inc. | | Oil & Gas Operator | Jan 1995 |
| 16112 | Konantz, Ronald J. Inc. | Houma, LA 70360 | Oil & Gas Operator | Oct 2025 |
| 16113 | Koonce Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Oct 1993 |
| 16114 | Koontz Oil Company | Nocona, TX 76255 | Oil Operator | Aug 2022 |
| 16115 | Kop-Mor Producti | | Oil Operator | Sep 1992 |
| 16116 | Kopco, Inc. | Caney, KS 67333 | Oil & Gas Operator | Jul 2025 |
| 16117 | Koram Operating LLC | Houston, TX 77079 | Oil & Gas Operator | Dec 2006 |
| 16118 | Kore Energy LLC | | Oil & Gas Operator | Jul 2025 |
| 16119 | Korman Exploration, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Jan 2001 |
| 16120 | Kornblit, Majir | | Oil Operator | Nov 1998 |
| 16121 | Kornye-Tillman Company | Cleburne, TX 76031 | Oil & Gas Operator | Oct 2025 |
| 16122 | Koron Investments, Inc. | Hays, KS 67601 | Oil Operator | Jun 2025 |
| 16123 | Kosarek, Charlie | San Antonio, TX 78213 | Oil & Gas Operator | Oct 2006 |
| 16124 | Kot, Inc. | Lost Springs, KS 66859 | Oil Operator | Aug 2016 |
| 16125 | Kotlowski, Keith | Alden, NY 14004 | Oil & Gas Operator | Dec 2024 |
| 16126 | Kottwitz Oil Co., A General Partnership | | Oil Operator | Jul 2019 |
| 16127 | Kouatli, Aiman M. | Caldwell, TX 77836 | Oil & Gas Operator | Oct 2025 |
| 16128 | Kouplen Steve | Beggs, OK 74421 | Oil & Gas Operator | Oct 2024 |
| 16129 | Kovar Operating, LLC | Victoria, TX 77901 | Oil & Gas Operator | Sep 2021 |
| 16130 | Koven Production Co. | San Antonio, TX 78232 | Oil & Gas Operator | Aug 2003 |
| 16131 | Koyl Oil Inc | | Oil & Gas Operator | Aug 2025 |
| 16132 | Kozaczka, Loretta M. | Gowanda, NY 14070 | Gas Operator | Dec 2024 |
| 16133 | KP Exploration, Inc. | Houston, TX 77002 | Oil & Gas Operator | Apr 1997 |
| 16134 | KP Oil, LLC | | Oil & Gas Operator | Jun 2025 |
| 16135 | KPL Production Company LLC | Oklahoma City, OK 73112-4709 | Oil & Gas Operator | Feb 2017 |
| 16136 | Kracken Operating LLC | Lawrence, KS 66047 | Oil Operator | Dec 2019 |
| 16137 | Kraemer II LLC | | Oil & Gas Operator | Dec 2000 |
| 16138 | Kraft Oil Compan | | Oil Operator | Nov 1994 |
| 16139 | Kraft Oil Company LLC | Gridley, KS 66852 | Oil Operator | Jun 2025 |
| 16140 | Kraft, Jim - Oil Operations | Holyrood, KS 67450 | Oil Operator | Jan 1999 |
| 16141 | Kraft, R L | | Oil Operator | Dec 2023 |
| 16142 | Kraken Development III, LLC | | Oil & Gas Operator | Nov 2021 |
| 16143 | Kraken Operating, LLC | Houston, TX 77024 | Oil & Gas Operator | Aug 2025 |
| 16144 | Kraker & Martin Energy, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2011 |
| 16145 | Kraker Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jan 1995 |
| 16146 | Krakrow, Inc. | Spencer, WV 25276-1007 | Oil & Gas Operator | Dec 2021 |
| 16147 | Kram Energy | Corpus Chrsti, TX 78404 | Oil & Gas Operator | Oct 2025 |
| 16148 | Kramer Exploration Co. | Delaware, OH 43015 | Oil & Gas Operator | Dec 2009 |
| 16149 | Kramer Oil Field Service Inc | Wellsville, KS 66092 | Oil Operator | May 2019 |
| 16150 | Kramer Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 16151 | Kramer, Clifford A. | Wichita Falls, TX 76301 | Oil & Gas Operator | Sep 1997 |
| 16152 | Kramer, Frank & Ethel FLP | Graham, TX 76450 | Oil & Gas Operator | Sep 2014 |
| 16153 | Kramer, Frank C. | Graham, TX 76450 | Oil & Gas Operator | Apr 2004 |
| 16154 | Kranz, Thomas | East Aurora, NY 14052 | Gas Operator | Dec 2024 |
| 16155 | Kratos Operating, LLC | Hobbs, NM 88241 | Oil & Gas Operator | Jul 2025 |
| 16156 | Kratzer Oil LLC | | Oil Operator | Jun 2025 |
| 16157 | Krause, Michael J. & Tracy A. | Orchard Park, NY 14127 | Gas Operator | Dec 2024 |
| 16158 | KRB Enterprise, Inc. | | Oil Operator | Aug 2025 |
| 16159 | KRC Operating, LLC | Corpus Chrsti, TX 78412 | Oil & Gas Operator | Oct 2025 |
| 16160 | Krebbs, David B | | Oil & Gas Operator | Jun 2025 |
| 16161 | Krehbiel Oil Co. | McPherson, KS 67460 | Oil & Gas Operator | Oct 1998 |
| 16162 | Krehbiel Oil Com | | Oil & Gas Operator | Mar 1995 |
| 16163 | Krehbiel, Brian | Burrton, KS 67020 | Gas Operator | Mar 2025 |
| 16164 | Krehbiel, Jay | | Oil Operator | Jun 2025 |
| 16165 | Krejci Harry L | | Oil & Gas Operator | Jul 2025 |
| 16166 | Kremco Oil LLC | Wichita Falls, TX 76308 | Oil Operator | Oct 2025 |
| 16167 | Kremeier Prod & Operating | | Oil & Gas Operator | Jan 2010 |
| 16168 | Krenek Enterprises, Inc. | Lovelady, TX 75851 | Oil Operator | Oct 2025 |
| 16169 | Krescent Energy Company, LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2013 |
| 16170 | KRF Production Company LLC | Houston, TX 77269 | Oil & Gas Operator | Oct 2025 |
| 16171 | Kriebel Acquisition Co LLC | Clarion, PA 16214-6161 | Oil & Gas Operator | Dec 2024 |
| 16172 | Kriebel Gas Inc | Clarion, PA 16214-0765 | Oil & Gas Operator | Dec 1999 |
| 16173 | Kriebel Minerals Inc | Clarion, PA 16214-6161 | Oil & Gas Operator | Dec 2020 |
| 16174 | Kriebel Natural Gas Co LLC | Clarion, PA 16214-6161 | Oil & Gas Operator | Dec 2024 |
| 16175 | Krier Kirby Oil | | Oil Operator | Dec 1996 |
| 16176 | Krier Oil Oper - | | Oil Operator | Sep 1995 |
| 16177 | Krier Oil Operation | | Oil Operator | May 2025 |
| 16178 | Krier, Kirby Oil, Inc. | Claflin, KS 67525 | Oil Operator | Jun 2025 |
| 16179 | Kriken Oil & Gas | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Jul 2005 |
| 16180 | Kriken Oil & Gas, Inc. | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Oct 2025 |
| 16181 | Krisco Oil Co. | Kermit, TX 79745 | Oil Operator | Jul 2022 |
| 16182 | Kristen Oil And Gas, Inc. | Edna, TX 77957 | Oil & Gas Operator | Oct 2025 |
| 16183 | Kriti Exploration, Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2012 |
| 16184 | Kriti Te Energy, Inc | Houston, TX 77079 | Oil & Gas Operator | Oct 2017 |
| 16185 | Krocan Energy Corporation | Bowling Green, KY 42102 | Oil & Gas Operator | Oct 2025 |
| 16186 | Krog Partners, LLC | Kilgore, TX 75663 | Oil Operator | Oct 2025 |
| 16187 | Krog, Peter L. & Kim R. | Orchard Park, NY 14127 | Gas Operator | Dec 2024 |
| 16188 | Kroh Operating LLC | Austin, TX 78746 | Oil & Gas Operator | Oct 2025 |
| 16189 | Kroll Energy LLC | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2024 |
| 16190 | Krot Oil Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 2025 |
| 16191 | Krotje, Dorothy C. | Franklinville, NY 14737 | Gas Operator | Dec 2024 |
| 16192 | Krotzer Oil Company | Cleveland, OK 74020 | Oil & Gas Operator | Jun 2025 |
| 16193 | KRS Oil Company | Frisco, TX 75034 | Oil & Gas Operator | Apr 2020 |
| 16194 | Kruckenberg & SC | | Oil & Gas Operator | Sep 1993 |
| 16195 | Kruckenberg & Scott | Isabel, KS 67065 | Oil Operator | Dec 2011 |
| 16196 | Krueger, A. H., Jr. | Hays, KS 67601 | Oil Operator | Jul 1993 |
| 16197 | Krug, Donald H | Russell, KS 67665 | Oil Operator | Jun 2025 |
| 16198 | Krumme Oil Company LLP | Bristow, OK 74010 | Oil & Gas Operator | Jun 2025 |
| 16199 | Krumme Wesley J | Oklahoma City, OK 73120 | Oil & Gas Operator | Jun 1997 |
| 16200 | Krummrich Engineering Corporation | | Oil & Gas Operator | Jul 2025 |