| 16201 | Kingwood Oil Co; Inc | Luling, TX 78648 | Oil & Gas Operator | Nov 2015 |
| 16202 | Kingwood Resources, Inc. | Kingwood, TX 77339 | Oil & Gas Operator | May 2022 |
| 16203 | Kinlaw Oil Corporation | Dallas, TX 75380 | Oil & Gas Operator | Apr 2025 |
| 16204 | Kinney Incorporated | Andrews, TX 79714 | Oil & Gas Operator | Apr 2025 |
| 16205 | Kinney Oil Company | Denver, CO 80202 | Oil Operator | Dec 2024 |
| 16206 | Kinsey Interests | | Oil & Gas Operator | May 1991 |
| 16207 | Kinsey Interests And Marlin | | Oil Operator | Mar 1983 |
| 16208 | Kinsey Interests Et Al | | Oil Operator | Apr 1988 |
| 16209 | Kinta Public Works | Kinta, OK 74552 | Oil & Gas Operator | Mar 2011 |
| 16210 | Kintex Petroleum Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2025 |
| 16211 | Kinzer, J. W. | | Oil & Gas Operator | Dec 2006 |
| 16212 | Kiowa Gas Company | Dallas, TX 75206 | Oil & Gas Operator | Dec 2024 |
| 16213 | Kiowa Producers, LLC | Parsons, KS 67357 | Oil & Gas Operator | Dec 2023 |
| 16214 | Kiowa-T.N.T., Inc. | | Oil Operator | Sep 1981 |
| 16215 | Kipling Energy Incorporated | Shelby, MT 59474 | Oil & Gas Operator | Jan 2011 |
| 16216 | Kirby & Son Dozing | Lewisburg, KY 42256 | Oil Operator | Dec 2023 |
| 16217 | Kirby Exploration Co | Houston, TX 77251 | Oil & Gas Operator | Jan 2014 |
| 16218 | Kirby Exploration Co Of Texas | | Oil & Gas Operator | Nov 1993 |
| 16219 | Kirby Oil Company | | Oil Operator | Dec 2024 |
| 16220 | Kirk Billie E | Morris, OK 74445 | Oil & Gas Operator | Jan 2025 |
| 16221 | Kirk David | Midland, TX 79705 | Oil & Gas Operator | Jan 2025 |
| 16222 | Kirk Tank Trucks Inc | Morris, OK 74445 | Oil & Gas Operator | Dec 2021 |
| 16223 | Kirkconnell And Associates | | Oil & Gas Operator | Dec 1996 |
| 16224 | Kirkman W L Inco | | Oil & Gas Operator | Dec 1994 |
| 16225 | Kirkpatrick | Longton, KS 67352 | Oil Operator | Jun 2000 |
| 16226 | Kirkpatrick Oil & Gas Co. | Pampa, TX 79066 | Oil & Gas Operator | Apr 1996 |
| 16227 | Kirkpatrick Oil & Gas L.L.C. | Midland, TX 79701 | Oil & Gas Operator | Dec 2010 |
| 16228 | Kirkpatrick Oil Company | Nichols Hill, OK 73116 | Oil & Gas Operator | Apr 2025 |
| 16229 | Kirkpatrick Properties LLC | Ellinwood, KS 67526 | Oil Operator | Dec 2024 |
| 16230 | Kirkpatrick Ronald B | | Oil & Gas Operator | Jul 2013 |
| 16231 | Kirkpatrick W E | Ponca City, OK 74604-4146 | Gas Operator | Oct 2001 |
| 16232 | Kirkpatrick, John Oil LLC | Victoria, TX 77905 | Oil & Gas Operator | Apr 2025 |
| 16233 | Kirkwood Engineering, LTD | | Oil Operator | Dec 1991 |
| 16234 | Kirkwood Oil And Gas Co. | | Oil Operator | Jan 1988 |
| 16235 | Kirkwood W C | Casper, WY 82602 | Oil & Gas Operator | May 2005 |
| 16236 | Kirrie Oil Company LLC | Oklahoma City, OK 73113-0125 | Oil & Gas Operator | Jan 2025 |
| 16237 | Kirsch, Doris R. | Strykersville, NY 14145 | Gas Operator | Dec 2023 |
| 16238 | Kirtley, Ralph | | Oil & Gas Operator | Dec 2005 |
| 16239 | Kis Oil & Gas Inc | Brookville, PA 15825-4210 | Oil & Gas Operator | Dec 2014 |
| 16240 | Kisatchie Resources, LTD. | | Gas Operator | Jul 1991 |
| 16241 | Kiska Oil & Gas Inc | Tulsa, OK 74103 | Oil Operator | Oct 2012 |
| 16242 | Kiska Oil Compan | | Oil & Gas Operator | Oct 1989 |
| 16243 | Kiska Oil Company | Tulsa, OK 74114 | Oil & Gas Operator | Jan 2019 |
| 16244 | Kismet Properties, Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Apr 2025 |
| 16245 | Kiss Productions | | Oil & Gas Operator | Oct 2002 |
| 16246 | Kissack Resources. LLC | | Oil & Gas Operator | Feb 2025 |
| 16247 | Kissack Water & Oil Service Inc | Rozet, WY 82727 | Oil & Gas Operator | Mar 2025 |
| 16248 | Kissinger Petroleum Corp | | Oil & Gas Operator | Nov 1983 |
| 16249 | Kistler John & Ruth | Newcomerstown, OH 43832 | Oil & Gas Operator | Dec 1998 |
| 16250 | Kitchen, Robert (Deceased) | Osawatomie, KS 66064 | Oil Operator | Oct 2009 |
| 16251 | Kittle Oil | | Oil Operator | Jun 2024 |
| 16252 | Kiva Resources Inc. | Houston, TX 77265 | Oil & Gas Operator | Mar 2008 |
| 16253 | Kivett Kenneth W | Blackwell, OK 74631-0134 | Oil & Gas Operator | Jun 2001 |
| 16254 | Kiwanda Energy, Inc. | Denver, CO 80202 | Oil & Gas Operator | Jan 2008 |
| 16255 | Kiwanda Resc Inc | | Oil & Gas Operator | Aug 1993 |
| 16256 | Kizzar Well Servicing, Inc. | Chase, KS 67524 | Oil Operator | Dec 2024 |
| 16257 | KJ Energy, LLC | MT Enterprise, TX 75681 | Oil & Gas Operator | Jul 2024 |
| 16258 | KJ Energy, LLC Of Delaware | | Oil & Gas Operator | Nov 2016 |
| 16259 | KJB Oil Company LLC | Dewey, OK 74029-3053 | Oil Operator | Nov 2024 |
| 16260 | Kjellin, Charles Willard (Deceased) | Marion, KS 66861 | Oil & Gas Operator | Oct 2013 |
| 16261 | KJR Services LLC | Edmond, OK 73083 | Oil & Gas Operator | Sep 2024 |
| 16262 | Klabzuba Brothers LLC | Prague, OK 74864-0567 | Oil & Gas Operator | Jul 2007 |
| 16263 | Klabzuba Oil & Gas Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2012 |
| 16264 | Klabzuba Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2013 |
| 16265 | Klabzuba Royalty Company | Prague, OK 74864-0567 | Oil & Gas Operator | Dec 2019 |
| 16266 | Klaeger Operating Company II,LLC | Marble Falls, TX 78654 | Oil Operator | Apr 2025 |
| 16267 | Klaeger Operating Company, LLC | Marble Falls, TX 78654 | Oil Operator | Apr 2025 |
| 16268 | Klaeger, J. H. | Hondo, TX 78861 | Oil & Gas Operator | Dec 2009 |
| 16269 | Klassen Energy, Inc. | Cisco, TX 76437 | Oil & Gas Operator | Apr 2025 |
| 16270 | Klause & Klaus Oil Co. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2003 |
| 16271 | KLB Operating, Inc. | Plainville, KS 67663 | Oil Operator | Aug 2001 |
| 16272 | KLBW Partners LLC | Ratliff City, OK 73481 | Oil & Gas Operator | Feb 2025 |
| 16273 | KLC Petroleum Company, LLC | Henderson, KY 42420 | Oil Operator | Dec 2021 |
| 16274 | KLD Energy | | Oil & Gas Operator | Dec 2015 |
| 16275 | Kleen Oilfield Services Co | Velma, OK 73491-0178 | Oil & Gas Operator | Feb 2025 |
| 16276 | Kleese Development Associates | Youngstown, OH 44514 | Oil & Gas Operator | Dec 2024 |
| 16277 | Klein Oil & Logging | Alma, NY 14708 | Oil & Gas Operator | Dec 2023 |
| 16278 | Klein, J. L. | Henrietta, TX 76365 | Oil & Gas Operator | Sep 2013 |
| 16279 | Klenda, John | Marion, KS 66861 | Gas Operator | Dec 2023 |
| 16280 | KLH Oil & Gas, Inc. | Cross Plains, TX 76443 | Oil & Gas Operator | Apr 2025 |
| 16281 | Klima Oil, Inc. | Great Bend, KS 67530 | Oil Operator | Dec 2009 |
| 16282 | Klima Well Servi | | Oil Operator | Dec 1996 |
| 16283 | Klima Well Service, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Nov 2024 |
| 16284 | Klimko, Nathan J. | Attica, NY 14011 | Gas Operator | Dec 2023 |
| 16285 | Kling, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Dec 2000 |
| 16286 | Klingberg, Roger | Cross Plains, TX 76443 | Oil & Gas Operator | Jan 2017 |
| 16287 | Klingensmith Fred T Etal | Sapulpa, OK 74066 | Oil & Gas Operator | Nov 2007 |
| 16288 | Klinger Energy Inc | Ponca City, OK 74601-7812 | Oil & Gas Operator | Oct 2019 |
| 16289 | Klinger Shirley | Ponca City, OK 74601-7812 | Oil & Gas Operator | Jan 2025 |
| 16290 | Klingler Automatic Industries Inc | | Oil & Gas Operator | Feb 2025 |
| 16291 | Klippel, B.W., Jr. | Wichita, KS 67220 | Oil Operator | May 1999 |
| 16292 | KLJ Inc | Graysville, OH 45734 | Oil & Gas Operator | Dec 2002 |
| 16293 | KLM Exploration Company, Inc. | McLouth, KS 66054 | Oil Operator | Dec 2019 |
| 16294 | KLM Oil & Gas Company | Tonganoxie, KS 66086 | Oil & Gas Operator | Apr 2014 |
| 16295 | KLM Oil Operations, Inc. | El Dorado, KS 67042 | Oil Operator | Apr 1998 |
| 16296 | KLM Operating | | Oil & Gas Operator | Oct 2024 |
| 16297 | KLM Petroleum Corp. | Midland, TX 79705 | Oil & Gas Operator | Apr 2025 |
| 16298 | KLMKH Inc | Charlotte, NC 28270 | Oil Operator | Jun 2023 |
| 16299 | Klo LLC | Tulsa, OK 74120-2428 | Oil & Gas Operator | Feb 2025 |
| 16300 | Klo Oil & Gas, L.L.C. | Tulsa, OK 74120 | Oil & Gas Operator | Jan 2023 |