| 16201 | Krejci Harry L | | Oil & Gas Operator | Mar 2025 |
| 16202 | Kremco Oil LLC | Wichita Falls, TX 76308 | Oil Operator | Jun 2025 |
| 16203 | Kremeier Prod & Operating | | Oil & Gas Operator | Jan 2010 |
| 16204 | Krenek Enterprises, Inc. | Lovelady, TX 75851 | Oil Operator | Jun 2025 |
| 16205 | Krescent Energy Company, LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2013 |
| 16206 | KRF Production Company LLC | Houston, TX 77269 | Oil & Gas Operator | Jun 2025 |
| 16207 | Kriebel Acquisition Co LLC | Clarion, PA 16214-6161 | Oil & Gas Operator | Dec 2024 |
| 16208 | Kriebel Gas Inc | Clarion, PA 16214-0765 | Oil & Gas Operator | Dec 1999 |
| 16209 | Kriebel Minerals Inc | Clarion, PA 16214-6161 | Oil & Gas Operator | Dec 2020 |
| 16210 | Kriebel Natural Gas Co LLC | Clarion, PA 16214-6161 | Oil & Gas Operator | Dec 2024 |
| 16211 | Krier Kirby Oil | | Oil Operator | Dec 1996 |
| 16212 | Krier Oil Oper - | | Oil Operator | Sep 1995 |
| 16213 | Krier Oil Operation | | Oil Operator | Feb 2025 |
| 16214 | Krier, Kirby Oil, Inc. | Claflin, KS 67525 | Oil Operator | Feb 2025 |
| 16215 | Kriken Oil & Gas | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Jul 2005 |
| 16216 | Kriken Oil & Gas, Inc. | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Jun 2025 |
| 16217 | Kristen Oil And Gas, Inc. | Edna, TX 77957 | Oil & Gas Operator | Jun 2025 |
| 16218 | Kriti Exploration, Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2012 |
| 16219 | Kriti Te Energy, Inc | Houston, TX 77079 | Oil & Gas Operator | Oct 2017 |
| 16220 | Krocan Energy Corporation | Bowling Green, KY 42102 | Oil & Gas Operator | Jun 2025 |
| 16221 | Krog Partners, LLC | Kilgore, TX 75663 | Oil Operator | Jun 2025 |
| 16222 | Krog, Peter L. & Kim R. | Orchard Park, NY 14127 | Gas Operator | Dec 2023 |
| 16223 | Kroh Operating LLC | Austin, TX 78746 | Oil & Gas Operator | Jun 2025 |
| 16224 | Kroll Energy LLC | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2024 |
| 16225 | Krot Oil Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 2025 |
| 16226 | Krotje, Dorothy C. | Franklinville, NY 14737 | Gas Operator | Dec 2023 |
| 16227 | Krotzer Oil Company | Cleveland, OK 74020 | Oil & Gas Operator | Mar 2025 |
| 16228 | KRS Oil Company | Frisco, TX 75034 | Oil & Gas Operator | Apr 2020 |
| 16229 | Kruckenberg & SC | | Oil & Gas Operator | Sep 1993 |
| 16230 | Kruckenberg & Scott | Isabel, KS 67065 | Oil Operator | Dec 2011 |
| 16231 | Krueger, A. H., Jr. | Hays, KS 67601 | Oil Operator | Jul 1993 |
| 16232 | Krug, Donald H | Russell, KS 67665 | Oil Operator | Feb 2025 |
| 16233 | Krumme Oil Company LLP | Bristow, OK 74010 | Oil & Gas Operator | Feb 2025 |
| 16234 | Krumme Wesley J | Oklahoma City, OK 73120 | Oil & Gas Operator | Jun 1997 |
| 16235 | Krummrich Engineering Corporation | | Oil & Gas Operator | Apr 2025 |
| 16236 | Ksabe Energy Partners, LLC | Oklahoma City, OK 73106 | Oil Operator | Jun 2025 |
| 16237 | KSC Oil | | Oil Operator | Feb 2025 |
| 16238 | KSM Energy Inc | Pittsburgh, PA 15238-3156 | Gas Operator | Dec 2024 |
| 16239 | KST Oil & Gas Co Inc | Tallmadge, OH 44278-1142-1142 | Oil & Gas Operator | Dec 1995 |
| 16240 | Kstone Energy, LLC | Oklahoma City, OK 73106 | Oil Operator | Jun 2025 |
| 16241 | KSW Operating,LLC | | Oil & Gas Operator | Mar 2015 |
| 16242 | KT Energy Inc | Enid, OK 73702-2365 | Oil & Gas Operator | Feb 2025 |
| 16243 | KT Investments Inc | Hennessey, OK 73742 | Oil & Gas Operator | Mar 2025 |
| 16244 | KT Operating Company LLC | Dallas, TX 75231 | Oil & Gas Operator | Feb 2010 |
| 16245 | KT Resources LLC | | Oil & Gas Operator | Apr 2025 |
| 16246 | KTC Oil Enterprises, LLC | Dallas, TX 75247 | Oil & Gas Operator | Jun 2025 |
| 16247 | KTM Operating LLC | | Oil & Gas Operator | Mar 2025 |
| 16248 | KTP Energy, Inc. | Denver, CO 80226 | Oil & Gas Operator | Aug 2019 |
| 16249 | Kudella, Ron & Cline, Russell | | Oil & Gas Operator | Feb 2021 |
| 16250 | Kuehne Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Aug 2003 |
| 16251 | Kuenzler & Flora Reserve Company | | Oil Operator | Mar 2025 |
| 16252 | Kughn | | Oil Operator | Sep 2019 |
| 16253 | Kugler* Dean & Joe Dba D-J Oil Company | | Oil & Gas Operator | Sep 2019 |
| 16254 | Kuhn Oil Co Inc | Timber Lake, SD 57656 | Oil Operator | Dec 2024 |
| 16255 | Kuhn Richard F | Baltimore, OH 43105 | Oil Operator | Dec 2022 |
| 16256 | Kuhn Walter Dril | | Gas Operator | Dec 1985 |
| 16257 | Kukui Inc | Houston, TX 77002 | Oil & Gas Operator | Dec 2002 |
| 16258 | Kukui Operating Company | Ignacio, CO 81137 | Oil & Gas Operator | May 2013 |
| 16259 | Kulka And Schmidt Inc | | Oil & Gas Operator | Dec 1992 |
| 16260 | Kundtz Properties Inc | Orange VIllage, OH 44122 | Gas Operator | Dec 2024 |
| 16261 | Kunkel, Richard A. DDS & Susan K. | Little Valley, NY 14755 | Gas Operator | Dec 2023 |
| 16262 | Kunu Energy LLC | Wichita Falls, TX 76308 | Oil Operator | Jun 2025 |
| 16263 | Kuran Resources | Wichita Falls, TX 76308 | Oil Operator | Jun 2025 |
| 16264 | Kuran Resources Inc | Wichita Falls, TX 76305-2212 | Oil Operator | Jul 2021 |
| 16265 | Kutter Oil Co. | Eureka, KS 67045 | Oil Operator | May 2002 |
| 16266 | Kutter Oil, Inc. | Eureka, KS 67045 | Oil Operator | Mar 2022 |
| 16267 | Kuykendall, IValene Estate | Electra, TX 76360 | Oil & Gas Operator | Dec 1998 |
| 16268 | Kuykendall, M. C. | Electra, TX 76360 | Oil & Gas Operator | Apr 1995 |
| 16269 | Kuykendall, M.C., Estate | Electra, TX 76360 | Oil & Gas Operator | Aug 2003 |
| 16270 | KV Oil & Gas, Inc. | | Oil & Gas Operator | Dec 2006 |
| 16271 | KVL Operating, LLC | Midland, TX 79708 | Oil & Gas Operator | Jun 2025 |
| 16272 | KWB Oil Property | | Oil Operator | Oct 1992 |
| 16273 | KWB Oil Property Management Inc | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2025 |
| 16274 | Kwilos, Stanley | Angola, NY 14006 | Gas Operator | Dec 2023 |
| 16275 | KWR Ventures LLC | Harrisburg, IL 62946 | Oil Operator | Dec 2023 |
| 16276 | KWS Oil & Gas, LLC | El Campo, TX 77437 | Oil & Gas Operator | Jun 2025 |
| 16277 | Ky Crude LLC | Bowling Green, KY 42103 | Oil Operator | Dec 2021 |
| 16278 | Ky Energy Group, LLC | | Oil & Gas Operator | Dec 2015 |
| 16279 | Ky Ohio Gas Co | | Oil Operator | Dec 2021 |
| 16280 | Ky Oil Co | Palco, KS 67657 | Oil & Gas Operator | Aug 2000 |
| 16281 | Ky-Tenn Expl Co, Inc | New Concord, OH 43762 | Oil & Gas Operator | Dec 2023 |
| 16282 | Kybenco Disposals LLC | Maysville, OK 73052 | Oil Operator | Sep 2022 |
| 16283 | Kykon Oil & Gas, Inc. | Billings, MT 59103 | Oil & Gas Operator | Feb 2009 |
| 16284 | Kykuit Resources, LLC | Winifred, MT 59489 | Gas Operator | Mar 2021 |
| 16285 | Kyl-Kat Petroleum | | Oil & Gas Operator | Oct 1996 |
| 16286 | Kylander Oil Inc | Warren, PA 16365-4366 | Oil & Gas Operator | Dec 2024 |
| 16287 | Kyle Energy Inc NV | Apollo, PA 15613-0249 | Gas Operator | Dec 1996 |
| 16288 | Kyler Oil Company | Pawhuska, OK 74056-0117 | Oil Operator | Nov 1998 |
| 16289 | Kynge Energy Investments LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2025 |
| 16290 | Kynosa Inc. | Levelland, TX 79336 | Oil & Gas Operator | Jun 1998 |
| 16291 | Kytex, Inc. | Wichita, KS 67230 | Oil Operator | Dec 2019 |
| 16292 | Kytx Energy Inc | Mason, OH 45040 | Oil & Gas Operator | Dec 2024 |
| 16293 | Kytx Oil & Gas, LLC | Gray, KY 40734 | Oil & Gas Operator | Dec 2021 |
| 16294 | KZ Global Energy, LLC | Houston, TX 77042 | Oil & Gas Operator | Jun 2025 |
| 16295 | L & A Energy LP | | Oil Operator | Feb 2025 |
| 16296 | L & A Oil Compan | | Oil Operator | Sep 1991 |
| 16297 | L & B Crude, Inc. | Yates Center, KS 66783 | Oil Operator | Nov 2019 |
| 16298 | L & B Energy LLP | Kingsville, OH 44048 | Oil & Gas Operator | Dec 2023 |
| 16299 | L & B Enterprise | | Gas Operator | Jul 1990 |
| 16300 | L & B Oil | Longton, KS 67352 | Oil Operator | Dec 2019 |