| 16101 | Kobar Corporation | Riverton, WY 82501 | Gas Operator | Dec 1996 |
| 16102 | Koby Oil Company LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Sep 2025 |
| 16103 | Kocana Resources | Ranchos Taos, NM 87557 | Oil & Gas Operator | Jul 1999 |
| 16104 | Koch Exploration | | Oil & Gas Operator | Oct 1988 |
| 16105 | Koch Exploration Company | Houston, TX 77046 | Oil & Gas Operator | Apr 2003 |
| 16106 | Koch Exploration Company, LLC | Denver, CO 80202 | Oil & Gas Operator | Jun 2019 |
| 16107 | Koch Gateway Pipeline Company | | Oil & Gas Operator | Feb 2001 |
| 16108 | Koch Hydrocarbon Company | Wichita, KS 67220-3203 | Oil & Gas Operator | Nov 2014 |
| 16109 | Koch Midstream Services Company | Wichita, KS 67201 | Oil & Gas Operator | Oct 2000 |
| 16110 | Koch Oil Company | | Oil & Gas Operator | May 2017 |
| 16111 | Koch Production Company | Worland, WY 82401 | Oil & Gas Operator | Dec 2002 |
| 16112 | Koch, P. S. | Seguin, TX 78155 | Oil & Gas Operator | May 2018 |
| 16113 | Kocher And Westfall | Middlebourne, WV 26149 | Oil Operator | Dec 2021 |
| 16114 | Koda Operating LLC | Tyler, TX 75703-5596 | Oil & Gas Operator | Aug 2025 |
| 16115 | Koda Resources Operating, LLC | | Oil & Gas Operator | Sep 2025 |
| 16116 | Kodiak Drilling, Inc. | Borger, TX 79008 | Oil & Gas Operator | Aug 2003 |
| 16117 | Kodiak Energy LLC | Pineville, MO 64856 | Oil Operator | Dec 2019 |
| 16118 | Kodiak Oil & Gas (USA) Inc. | Denver, CO 80202 | Oil & Gas Operator | Sep 2020 |
| 16119 | Kodiak Oil & Gas Exploration Inc | Oklahoma City, OK 73134-1046 | Oil & Gas Operator | Aug 2025 |
| 16120 | Kodiak Oil & Gas Inc | Muenster, TX 76252 | Oil & Gas Operator | Dec 2025 |
| 16121 | Kodiak Oil Co. | Stockton, MO 65785 | Oil Operator | May 1996 |
| 16122 | Kodiak Operating, L.L.C. | Olney, TX 76374 | Oil & Gas Operator | Dec 2025 |
| 16123 | Kodiak Petroleum Corp. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 1996 |
| 16124 | Kodiak Petroleum Inc | Englewood, CO 80155 | Oil & Gas Operator | Jun 2025 |
| 16125 | Kodiak Productions LTD | Big Lake, TX 76932 | Oil & Gas Operator | Mar 2014 |
| 16126 | Kody Petroleum Co., Inc. | Daisetta, TX 77533 | Oil & Gas Operator | Dec 2025 |
| 16127 | Koebley Timothy W | Warren, PA 16365-2102 | Oil & Gas Operator | Dec 2024 |
| 16128 | Koehler Rose Dba R & H Production | Cement, OK 73017 | Oil & Gas Operator | Oct 2021 |
| 16129 | Koehn Alfred D | | Oil & Gas Operator | Sep 1994 |
| 16130 | Koehn Eldon R | | Oil Operator | Dec 2009 |
| 16131 | Koehn Radell W | | Oil Operator | Dec 2009 |
| 16132 | Koehn, Alfred D.(Deceased) | Galva, KS 67443 | Oil Operator | Mar 1998 |
| 16133 | Koehn, Carolyn | Galva, KS 67443 | Oil Operator | Jun 2025 |
| 16134 | Koehn, John W. | Sublette, KS 67877 | Gas Operator | May 2018 |
| 16135 | Koehn, Max R. | Copeland, KS 67837 | Oil & Gas Operator | Oct 2019 |
| 16136 | Koehn, Radell W. And Austin Koehn & Morgan Koehn | Galva, KS 67443 | Oil Operator | Jun 2025 |
| 16137 | Koehn, Roger D. | Galva, KS 67443 | Oil Operator | Apr 1998 |
| 16138 | Koelsch Rex Or Marie | Tulsa, OK 74107-8647 | Oil & Gas Operator | Jul 2024 |
| 16139 | Kohler Energy Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 1994 |
| 16140 | Kohler Industrial Nat. Gas, Inc. | Kohler, WI 53044 | Gas Operator | Dec 2000 |
| 16141 | Kojo Energy, Inc. | Odessa, TX 79760 | Oil & Gas Operator | Dec 2025 |
| 16142 | Koko Skadi, LLC | Austin, TX 78731 | Oil & Gas Operator | Dec 2025 |
| 16143 | Kokomo Energy, Inc. | Gorman, TX 76454 | Oil & Gas Operator | Dec 2025 |
| 16144 | Kokomo Oil Company | Houston, TX 77227 | Oil & Gas Operator | Apr 1998 |
| 16145 | Kolar Petroleum Inc | Oklahoma City, OK 73162-1509 | Oil & Gas Operator | Jun 2007 |
| 16146 | Kolb, James | Aspermont, TX 79502 | Oil & Gas Operator | Jul 2003 |
| 16147 | Kolibri Energy Us, Inc. | Thousand Oaks, CA 91320-1272 | Oil & Gas Operator | Aug 2025 |
| 16148 | Kollao Properties LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 16149 | Kolodczak, Debra | North Collins, NY 14111 | Gas Operator | Dec 2024 |
| 16150 | Konantz, Inc. | | Oil & Gas Operator | Jan 1995 |
| 16151 | Konantz, Ronald J. Inc. | Houma, LA 70360 | Oil & Gas Operator | Dec 2025 |
| 16152 | Koonce Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Oct 1993 |
| 16153 | Koontz Oil Company | Nocona, TX 76255 | Oil Operator | Aug 2022 |
| 16154 | Kop-Mor Producti | | Oil Operator | Sep 1992 |
| 16155 | Kopco Inc | Caney, KS 67333 | Oil & Gas Operator | Sep 2025 |
| 16156 | Koram Operating LLC | Houston, TX 77079 | Oil & Gas Operator | Dec 2006 |
| 16157 | Kore Energy LLC | | Oil & Gas Operator | Aug 2025 |
| 16158 | Korman Exploration, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Jan 2001 |
| 16159 | Kornblit, Majir | | Oil Operator | Nov 1998 |
| 16160 | Kornye-Tillman Company | Cleburne, TX 76031 | Oil & Gas Operator | Dec 2025 |
| 16161 | Koron Investments, Inc. | Hays, KS 67601 | Oil Operator | Jun 2025 |
| 16162 | Kosarek, Charlie | San Antonio, TX 78213 | Oil & Gas Operator | Oct 2006 |
| 16163 | Kot, Inc. | Lost Springs, KS 66859 | Oil Operator | Aug 2016 |
| 16164 | Kotlowski, Keith | Alden, NY 14004 | Oil & Gas Operator | Dec 2024 |
| 16165 | Kottwitz Oil Co., A General Partnership | | Oil Operator | Jul 2019 |
| 16166 | Kouatli, Aiman M. | Caldwell, TX 77836 | Oil & Gas Operator | Dec 2025 |
| 16167 | Kouplen Steve | Beggs, OK 74421 | Oil & Gas Operator | Oct 2024 |
| 16168 | Kovar Operating, LLC | Victoria, TX 77901 | Oil & Gas Operator | Sep 2021 |
| 16169 | Koven Production Co. | San Antonio, TX 78232 | Oil & Gas Operator | Aug 2003 |
| 16170 | Koyl Oil Inc | | Oil & Gas Operator | Aug 2025 |
| 16171 | Kozaczka, Loretta M. | Gowanda, NY 14070 | Gas Operator | Dec 2024 |
| 16172 | KP Exploration, Inc. | Houston, TX 77002 | Oil & Gas Operator | Apr 1997 |
| 16173 | KP Oil, LLC | | Oil & Gas Operator | Jun 2025 |
| 16174 | KPL Production Company LLC | Oklahoma City, OK 73112-4709 | Oil & Gas Operator | Feb 2017 |
| 16175 | KPR Incorporated | | Oil & Gas Operator | Nov 1988 |
| 16176 | Kracken Operating LLC | Lawrence, KS 66047 | Oil Operator | Dec 2019 |
| 16177 | Kraemer II LLC | | Oil & Gas Operator | Dec 2000 |
| 16178 | Kraft Oil Compan | | Oil Operator | Nov 1994 |
| 16179 | Kraft Oil Company LLC | Gridley, KS 66852 | Oil Operator | Jun 2025 |
| 16180 | Kraft, Jim - Oil Operations | Holyrood, KS 67450 | Oil Operator | Jan 1999 |
| 16181 | Kraft, R L | | Oil Operator | Dec 2023 |
| 16182 | Kraken Development III, LLC | | Oil & Gas Operator | Nov 2021 |
| 16183 | Kraken Operating, LLC | Houston, TX 77024 | Oil & Gas Operator | Sep 2025 |
| 16184 | Kraker & Martin Energy, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2011 |
| 16185 | Kraker Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jan 1995 |
| 16186 | Krakrow, Inc. | Spencer, WV 25276-1007 | Oil & Gas Operator | Dec 2021 |
| 16187 | Kram Energy | Corpus Chrsti, TX 78404 | Oil & Gas Operator | Dec 2025 |
| 16188 | Kramer Exploration Co. | Delaware, OH 43015 | Oil & Gas Operator | Dec 2009 |
| 16189 | Kramer Oil Field Service Inc | Wellsville, KS 66092 | Oil Operator | May 2019 |
| 16190 | Kramer Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 16191 | Kramer, Clifford A. | Wichita Falls, TX 76301 | Oil & Gas Operator | Sep 1997 |
| 16192 | Kramer, Frank & Ethel FLP | Graham, TX 76450 | Oil & Gas Operator | Sep 2014 |
| 16193 | Kramer, Frank C. | Graham, TX 76450 | Oil & Gas Operator | Apr 2004 |
| 16194 | Kranz, Thomas | East Aurora, NY 14052 | Gas Operator | Dec 2024 |
| 16195 | Kratos Operating, LLC | Hobbs, NM 88241 | Oil & Gas Operator | Aug 2025 |
| 16196 | Kratzer Oil LLC | | Oil Operator | Jun 2025 |
| 16197 | Krause, Michael J. & Tracy A. | Orchard Park, NY 14127 | Gas Operator | Dec 2024 |
| 16198 | KRB Enterprise, Inc. | | Oil Operator | Sep 2025 |
| 16199 | KRC Operating, LLC | Corpus Chrsti, TX 78412 | Oil & Gas Operator | Oct 2025 |
| 16200 | Krebbs, David B | | Oil & Gas Operator | Aug 2025 |