| 16101 | KLT Gas Inc | Woodlands, TX 77380 | Oil & Gas Operator | Sep 2004 |
| 16102 | Klug, E A & A J (Estate) | Proctor, WV 26055-0000 | Oil & Gas Operator | Dec 2021 |
| 16103 | Klutts, Carlos J. | Austin, TX 78711 | Oil & Gas Operator | Apr 2002 |
| 16104 | KMD Operating Company LLC | | Oil & Gas Operator | Dec 2015 |
| 16105 | Kmfad Oil And Gas LLC | Coshocton, OH 43812 | Oil & Gas Operator | Dec 2023 |
| 16106 | Kmi Continental Off. Prod. Co. | | Oil & Gas Operator | Jan 1988 |
| 16107 | KMK Oil & Gas, Inc. | Marshall, TX 75671 | Oil & Gas Operator | May 2025 |
| 16108 | KMP Operating Inc. | | Oil Operator | Mar 2025 |
| 16109 | KMV Consulting Inc | Winston Salem, NC 27101-2561 | Gas Operator | Dec 2012 |
| 16110 | KN Production Co. | Lakewood, CO 80228 | Oil & Gas Operator | Jun 2003 |
| 16111 | Knaup, Harry J. & Lucille | Shelby, MT 59474 | Oil Operator | Oct 2023 |
| 16112 | KND Oil & Gas, LLC | Jacksboro, TX 76458 | Oil & Gas Operator | Nov 2023 |
| 16113 | Kneupper Oil, LLC | MC Camey, TX 79752 | Oil & Gas Operator | May 2025 |
| 16114 | KNG Producers | Dumas, TX 79029 | Oil & Gas Operator | Oct 2009 |
| 16115 | Knickerbocker Land Resources | Fort Worth, TX 76116 | Oil & Gas Operator | Mar 2015 |
| 16116 | Knife Oil Company Inc | Cushing, OK 74023-1347 | Oil & Gas Operator | Aug 2000 |
| 16117 | Knife River Oil, LLC | Bull Shoals, AR 72619 | Oil Operator | Feb 2017 |
| 16118 | Knight Casing Pulling Company | | Oil Operator | Jun 1989 |
| 16119 | Knight Energy Inc | Tulsa, OK 74104 | Oil Operator | Mar 2025 |
| 16120 | Knight Exploration, Inc. | | Oil & Gas Operator | Sep 1989 |
| 16121 | Knight Oil Company | Victoria, KS 67671 | Gas Operator | Jan 2025 |
| 16122 | Knight Resources LLC | | Oil & Gas Operator | Dec 2013 |
| 16123 | Knight Resources, Inc. | | Oil & Gas Operator | Dec 2011 |
| 16124 | Knight, Joeann | Kilgore, TX 75662 | Oil Operator | Sep 1989 |
| 16125 | Knight, Michael L. | Ripley, NY 14775 | Gas Operator | Dec 2023 |
| 16126 | Knight, Reuben B. | Windthorst, TX 76389 | Oil & Gas Operator | May 2025 |
| 16127 | Knight, Wilbur H. Et Al | | Oil & Gas Operator | Jul 1991 |
| 16128 | Knighton Oil Com | | Oil & Gas Operator | Nov 1996 |
| 16129 | Knighton Oil Company, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Jan 2025 |
| 16130 | Knightsbridge Petroleum Corp. | | Oil Operator | Jul 1991 |
| 16131 | KNK Oil & Gas | Abilene, TX 79602 | Oil & Gas Operator | Dec 1996 |
| 16132 | Knobler, Alfred E | | Oil & Gas Operator | Dec 2003 |
| 16133 | Knobloch, Albert | Graham, TX 76450 | Oil & Gas Operator | May 2025 |
| 16134 | Knotts Brothers | Orma, WV 25268-0000 | Oil & Gas Operator | Dec 2021 |
| 16135 | Knox Energy Inc | New Albany, OH 43054 | Oil & Gas Operator | Dec 2024 |
| 16136 | Knox Industries, Inc. | Arlington, TX 76012 | Oil & Gas Operator | May 2025 |
| 16137 | Knox, D. M., Oil Co. | Weatherford, TX 76086 | Oil & Gas Operator | Mar 2000 |
| 16138 | Knox, H. A. | Graham, TX 76450 | Oil & Gas Operator | Aug 2003 |
| 16139 | Knox, Jack L. | Coleman, TX 76834 | Oil & Gas Operator | May 2025 |
| 16140 | Knutson Production Company | Loco, OK 73442-9706 | Oil & Gas Operator | Feb 2025 |
| 16141 | Ko Operating | Merkel, TX 79536 | Oil & Gas Operator | May 2025 |
| 16142 | Ko Operating LLC | Austin, TX 78746 | Oil Operator | May 2025 |
| 16143 | Kobar Corporation | Riverton, WY 82501 | Gas Operator | Dec 1996 |
| 16144 | Koby Oil Company LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2025 |
| 16145 | Kocana Resources | Ranchos Taos, NM 87557 | Oil & Gas Operator | Jul 1999 |
| 16146 | Koch Exploration | | Oil & Gas Operator | Oct 1988 |
| 16147 | Koch Exploration Company | Houston, TX 77046 | Oil & Gas Operator | Jan 2025 |
| 16148 | Koch Exploration Company, LLC | Denver, CO 80202 | Oil & Gas Operator | Jun 2019 |
| 16149 | Koch Gateway Pipeline Company | | Oil & Gas Operator | Feb 2001 |
| 16150 | Koch Hydrocarbon Company | Wichita, KS 67220-3203 | Oil & Gas Operator | Nov 2014 |
| 16151 | Koch Midstream Services Company | Wichita, KS 67201 | Oil & Gas Operator | Oct 2000 |
| 16152 | Koch Oil Company | | Oil & Gas Operator | May 2017 |
| 16153 | Koch Production Company | Worland, WY 82401 | Oil & Gas Operator | Dec 2002 |
| 16154 | Koch, P. S. | Seguin, TX 78155 | Oil & Gas Operator | May 2018 |
| 16155 | Kocher And Westfall | Middlebourne, WV 26149 | Oil Operator | Dec 2021 |
| 16156 | Koda Operating LLC | Tyler, TX 75703-5596 | Oil & Gas Operator | Feb 2025 |
| 16157 | Koda Resources Operating, LLC | | Oil & Gas Operator | Mar 2025 |
| 16158 | Kodiak Drilling, Inc. | Borger, TX 79008 | Oil & Gas Operator | Aug 2003 |
| 16159 | Kodiak Energy LLC | Pineville, MO 64856 | Oil Operator | Dec 2019 |
| 16160 | Kodiak Oil & Gas (USA) Inc. | Denver, CO 80202 | Oil & Gas Operator | Sep 2020 |
| 16161 | Kodiak Oil & Gas Exploration Inc | Oklahoma City, OK 73134-1046 | Oil & Gas Operator | Feb 2025 |
| 16162 | Kodiak Oil & Gas Inc | Muenster, TX 76252 | Oil & Gas Operator | May 2025 |
| 16163 | Kodiak Oil Co. | Stockton, MO 65785 | Oil Operator | May 1996 |
| 16164 | Kodiak Operating, L.L.C. | Olney, TX 76374 | Oil & Gas Operator | May 2025 |
| 16165 | Kodiak Petroleum Corp. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 1996 |
| 16166 | Kodiak Petroleum, Inc. | Englewood, CO 80155 | Oil & Gas Operator | Jan 2025 |
| 16167 | Kodiak Productions LTD | Big Lake, TX 76932 | Oil & Gas Operator | Mar 2014 |
| 16168 | Kody Petroleum Co., Inc. | Daisetta, TX 77533 | Oil & Gas Operator | May 2025 |
| 16169 | Koebley Timothy W | Warren, PA 16365-2102 | Oil & Gas Operator | Dec 2024 |
| 16170 | Koehn Alfred D | | Oil & Gas Operator | Sep 1994 |
| 16171 | Koehn Eldon R | | Oil Operator | Dec 2009 |
| 16172 | Koehn Radell W | | Oil Operator | Dec 2009 |
| 16173 | Koehn, Alfred D.(Deceased) | Galva, KS 67443 | Oil Operator | Mar 1998 |
| 16174 | Koehn, Carolyn | Galva, KS 67443 | Oil Operator | Jan 2025 |
| 16175 | Koehn, John W. | Sublette, KS 67877 | Gas Operator | May 2018 |
| 16176 | Koehn, Max R. | Copeland, KS 67837 | Oil & Gas Operator | Oct 2019 |
| 16177 | Koehn, Radell W. And Austin Koehn & Morgan Koehn | Galva, KS 67443 | Oil Operator | Jan 2025 |
| 16178 | Koehn, Roger D. | Galva, KS 67443 | Oil Operator | Apr 1998 |
| 16179 | Koelsch Rex Or Marie | Tulsa, OK 74107-8647 | Oil & Gas Operator | Jul 2024 |
| 16180 | Kohler Energy Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 1994 |
| 16181 | Kohler Industrial Nat. Gas, Inc. | Kohler, WI 53044 | Gas Operator | Dec 2000 |
| 16182 | Kojo Energy, Inc. | Odessa, TX 79760 | Oil & Gas Operator | May 2025 |
| 16183 | Koko Skadi, LLC | Austin, TX 78731 | Oil & Gas Operator | May 2025 |
| 16184 | Kokomo Energy, Inc. | Gorman, TX 76454 | Oil & Gas Operator | May 2025 |
| 16185 | Kokomo Oil Company | Houston, TX 77227 | Oil & Gas Operator | Apr 1998 |
| 16186 | Kolar Petroleum Inc | Oklahoma City, OK 73162-1509 | Oil & Gas Operator | Jun 2007 |
| 16187 | Kolb, James | Aspermont, TX 79502 | Oil & Gas Operator | Jul 2003 |
| 16188 | Kolibri Energy Us, Inc. | Thousand Oaks, CA 91320-1272 | Oil & Gas Operator | Feb 2025 |
| 16189 | Kollao Properties LLC | Midland, TX 79702 | Oil & Gas Operator | May 2025 |
| 16190 | Kolodczak, Debra | North Collins, NY 14111 | Gas Operator | Dec 2023 |
| 16191 | Konantz, Inc. | | Oil & Gas Operator | Jan 1995 |
| 16192 | Konantz, Ronald J. Inc. | Houma, LA 70360 | Oil & Gas Operator | May 2025 |
| 16193 | Koonce Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Oct 1993 |
| 16194 | Koontz Oil Company | Nocona, TX 76255 | Oil Operator | Aug 2022 |
| 16195 | Kop-Mor Producti | | Oil Operator | Sep 1992 |
| 16196 | Kopco, Inc. | Caney, KS 67333 | Oil & Gas Operator | Mar 2025 |
| 16197 | Koram Operating LLC | Houston, TX 77079 | Oil & Gas Operator | Dec 2006 |
| 16198 | Kore Energy LLC | | Oil & Gas Operator | Feb 2025 |
| 16199 | Korman Exploration, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Jan 2001 |
| 16200 | Kornblit, Majir | | Oil Operator | Nov 1998 |