| 15201 | Kelmac Production Company | Braman, OK 74632-0132 | Oil Operator | Apr 2003 |
| 15202 | Kelmar Oil Company | Chickasha, OK 73023-1434 | Oil & Gas Operator | Jan 2024 |
| 15203 | Kelpetro Operating Inc. | | Oil & Gas Operator | Dec 2021 |
| 15204 | Kelpetro, Inc. | Houston, TX 77056 | Oil & Gas Operator | Mar 2012 |
| 15205 | Kelsey Operating, Inc. | Austin, TX 78738 | Oil Operator | Feb 2022 |
| 15206 | Kelso Casing Pul | | Oil Operator | Mar 1995 |
| 15207 | Kelso Casing Pulling Of MS Inc | | Oil & Gas Operator | Dec 1993 |
| 15208 | Kelso Oil LLC | Chase, KS 67524 | Oil & Gas Operator | Apr 2007 |
| 15209 | Kelso, Mike Oil | Chase, KS 67524 | Oil Operator | Oct 2013 |
| 15210 | Kelt Energy Inco | | Oil & Gas Operator | Sep 1995 |
| 15211 | Kelt Energy, Inc. | Independence, KS 67301 | Oil & Gas Operator | Dec 2003 |
| 15212 | Kelt Oil & Gas | Houston, TX 77060 | Oil & Gas Operator | Dec 1998 |
| 15213 | Kelt Oil & Gas, Inc. | Torrance, CA 90503 | Oil & Gas Operator | Dec 2003 |
| 15214 | Kelton Co. | | Oil Operator | Dec 1964 |
| 15215 | Kelton Operating Co., Inc. | | Oil Operator | Jul 1991 |
| 15216 | Kelton, B.J. | Rosharon, TX 77583 | Oil & Gas Operator | Apr 2024 |
| 15217 | Kem Energy Us ,LLC | | Oil & Gas Operator | Feb 2024 |
| 15218 | Kem Energy, Inc. | Katy, TX 77450 | Oil & Gas Operator | Apr 2024 |
| 15219 | Kem Enterprise Inc. | | Oil & Gas Operator | Nov 2023 |
| 15220 | Kem Ventures, LP | Katy, TX 77450 | Oil & Gas Operator | Jan 2024 |
| 15221 | Kema Oil Company, Inc. | Lebo, KS 66856 | Oil Operator | Dec 2023 |
| 15222 | Kemco Oil | Alice, TX 78332 | Oil & Gas Operator | Aug 2009 |
| 15223 | Kemmerer Coal Co | | Oil & Gas Operator | Dec 1981 |
| 15224 | Kemmerer Company Inc | Tulsa, OK 74136-7027 | Oil & Gas Operator | Jan 2024 |
| 15225 | Kemp Roy L | | Oil Operator | Jan 2011 |
| 15226 | Kemper Operating Co. | Abilene, TX 79605 | Oil & Gas Operator | Nov 2015 |
| 15227 | Ken Petroleum Corporation | Dallas, TX 75206 | Oil & Gas Operator | Feb 2019 |
| 15228 | Ken Snyder Inc | Newalla, OK 74857-7107 | Oil & Gas Operator | Jan 2024 |
| 15229 | Ken-Cas Oil Co. | Levelland, TX 79336 | Oil & Gas Operator | Apr 1998 |
| 15230 | Kenai Oil & Gas Inc | | Oil & Gas Operator | Jun 1987 |
| 15231 | Kenbill Oil Comp | | Oil Operator | Jun 1994 |
| 15232 | Kendol Exploration Inc | Oklahoma City, OK 73105-2513 | Oil & Gas Operator | Jan 2024 |
| 15233 | Kendrick Oil And Gas Company | Abilene, TX 79608 | Oil & Gas Operator | Apr 2024 |
| 15234 | Kendrick Oil Co. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2008 |
| 15235 | Kendrick, Barbara S. | Baytown, TX 77521 | Oil Operator | Apr 2024 |
| 15236 | Kendrick, Paul W. | Baytown, TX 77520 | Oil & Gas Operator | Sep 2005 |
| 15237 | Keneco, Inc | | Oil & Gas Operator | Dec 2018 |
| 15238 | Kenergy Petroleum Corp | | Oil & Gas Operator | Dec 1982 |
| 15239 | Kenergy-Wainoco | | Oil & Gas Operator | Mar 1981 |
| 15240 | Kenne Exploration, Inc. | Missouri City, TX 77489 | Oil & Gas Operator | Apr 2024 |
| 15241 | Kenneco Incorpor | | Oil Operator | Sep 1984 |
| 15242 | Kennedy & Mitche | | Oil & Gas Operator | May 1990 |
| 15243 | Kennedy & Mitchell | Woodward, OK 73802 | Oil & Gas Operator | Dec 1988 |
| 15244 | Kennedy & Mitchell, Inc. | Houston, TX 77084 | Oil & Gas Operator | Aug 2013 |
| 15245 | Kennedy And Bacheller | | Oil & Gas Operator | Apr 1989 |
| 15246 | Kennedy George C | Upton, WY 82730 | Oil & Gas Operator | Oct 2018 |
| 15247 | Kennedy Oil | Gillette, WY 82716 | Oil & Gas Operator | Feb 2024 |
| 15248 | Kennedy Tracy | Wynona, OK 74084 | Oil Operator | Jan 2024 |
| 15249 | Kennedy, Billy N | | Oil & Gas Operator | Dec 2019 |
| 15250 | Kennedy, Howard E | | Oil & Gas Operator | May 1997 |
| 15251 | Kennedy, Joseph D. | Stephenville, TX 76401 | Oil & Gas Operator | Jun 1995 |
| 15252 | Kennedy, R. R. Production, Inc. | MC Camey, TX 79752 | Oil & Gas Operator | Apr 2024 |
| 15253 | Kennemer, Darrell | Boyd, TX 76023 | Oil Operator | Apr 2024 |
| 15254 | Kenneth & Regina Laymon, LLC | Neosho Falls, KS 66758 | Oil Operator | Dec 2019 |
| 15255 | Kenneth D Luff | | Oil & Gas Operator | Dec 1983 |
| 15256 | Kenneth Darnell | | Oil Operator | Dec 2023 |
| 15257 | Kenneth H. Hunter Jr. | | Oil & Gas Operator | Dec 1991 |
| 15258 | Kenneth H. Hunter Jr. Trustee Of The Hunter Living Trust | | Oil & Gas Operator | Dec 2001 |
| 15259 | Kenneth Lopez And Conway Lopez | | Oil & Gas Operator | Nov 2023 |
| 15260 | Kenneth Sperry | | Oil & Gas Operator | Dec 1992 |
| 15261 | Kenneth W. Cory, LTD. | Bellaire, TX 77401 | Oil & Gas Operator | Feb 2024 |
| 15262 | Kenny Brown Enterprises LLC | Hays, KS 67601 | Oil Operator | Jul 2013 |
| 15263 | Keno Oil & Gas Inc | Hennessey, OK 73742 | Oil & Gas Operator | Jan 1995 |
| 15264 | Kenoil LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2023 |
| 15265 | Kenson Operating Company Inc | Houston, TX 77002 | Oil & Gas Operator | Sep 2002 |
| 15266 | Kent Resources Corp. | | Oil Operator | Dec 1983 |
| 15267 | Kent Walker | Midland, TX 79708 | Oil & Gas Operator | Sep 1999 |
| 15268 | Kent, Cameron J | Garnett, KS 66032 | Oil Operator | Nov 2023 |
| 15269 | Kent, Charles Operating Co. Inc. | Powell, TX 75153 | Oil & Gas Operator | Dec 2007 |
| 15270 | Kent, Greg J. & Jennette M. | Great Valley, NY 14741 | Gas Operator | Dec 2022 |
| 15271 | Kent, Kristin H. | Eden, NY 14057 | Gas Operator | Dec 2022 |
| 15272 | Kent, VInce J | Garnett, KS 66032 | Oil Operator | Oct 2002 |
| 15273 | Kentex Worland LLC | Dallas, TX 75225 | Oil & Gas Operator | Feb 2024 |
| 15274 | Kentry Oil Company | Kingston, OK 73439 | Oil Operator | Aug 2002 |
| 15275 | Kentta & Drwenski | Casper, WY 82602 | Oil & Gas Operator | Nov 1995 |
| 15276 | Kentucky Exploration LLC | Lexington, KY 40509 | Oil & Gas Operator | Dec 2014 |
| 15277 | Kentucky Gas Development, LLC | | Oil & Gas Operator | Dec 2020 |
| 15278 | Kenworthy Oil Company | Odessa, TX 79762 | Oil & Gas Operator | Apr 2024 |
| 15279 | Kenworthy Operating Company | Tulsa, OK 74132 | Oil & Gas Operator | May 2009 |
| 15280 | Kep Exploration Inc | | Oil & Gas Operator | Feb 1991 |
| 15281 | Kep Exploration Inc And Haggard Ward M | | Oil & Gas Operator | Dec 1986 |
| 15282 | Kepa Energy, L.C. | Marshall, TX 75670 | Oil & Gas Operator | Mar 1998 |
| 15283 | Kepasa Corp | Oklahoma City, OK 73101-2116 | Oil & Gas Operator | Jan 2024 |
| 15284 | Kepco Operating, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Jan 2024 |
| 15285 | Kepco. Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2015 |
| 15286 | Kephart Drilling, Inc. | Thayer, KS 66776 | Oil & Gas Operator | Dec 2008 |
| 15287 | Kepley Brothers | Chanute, KS 66720 | Oil Operator | Sep 1992 |
| 15288 | Kepley Well Service, LLC | Chanute, KS 66720 | Oil Operator | Aug 2022 |
| 15289 | Kepley, L.F. | Wichita, KS 67204 | Oil Operator | Feb 1986 |
| 15290 | Kepley, William Samuel | Chanute, KS 66720 | Oil Operator | May 2023 |
| 15291 | Keplinger, Jason M. & Mykia D. | | Gas Operator | Dec 2021 |
| 15292 | Kera-Oil | Great Bend, KS 67530 | Oil Operator | Dec 2009 |
| 15293 | Kerbs Daris | Bartlesville, OK 74003 | Oil Operator | Jul 2018 |
| 15294 | Kermit Tyree Contracting, Inc. | Elkview, WV 25071 | Gas Operator | Dec 2021 |
| 15295 | Kern Co. | Houston, TX 77095 | Oil & Gas Operator | Jan 2021 |
| 15296 | Kern Front-Section 35-Partners | | Oil & Gas Operator | Nov 2023 |
| 15297 | Kern River Holdings II LLC | | Oil & Gas Operator | Dec 2023 |
| 15298 | Kernodle Bros. Oil & Gas, General Partnership | Raytown, MO 64133 | Oil Operator | Jun 2018 |
| 15299 | Kerns Larry Dba Kerns Oil | Dewey, OK 74029-2457 | Oil Operator | Nov 2017 |
| 15300 | Kerns O & G, Inc. | San Antonio, TX 78232 | Oil & Gas Operator | Dec 2004 |