| 15201 | K3 Productions LLC | Austin, TX 78746 | Oil & Gas Operator | Nov 2024 |
| 15202 | K9 Energy Operating LLC | Mason, TX 76856 | Oil Operator | Nov 2024 |
| 15203 | Ka Energy Op Co. LLC | Oakland, CA 94605 | Oil & Gas Operator | Oct 2021 |
| 15204 | Ka Tex Energies, Inc. | Iola, TX 77861 | Oil & Gas Operator | May 1999 |
| 15205 | Ka-Lyn Oil & Gas, Inc. | | Oil & Gas Operator | Jul 1990 |
| 15206 | Kabco Oil & Gas Company | Longview, TX 75604 | Oil & Gas Operator | Jun 2018 |
| 15207 | Kabco Production | | Oil & Gas Operator | Sep 1999 |
| 15208 | Kabco-Pennington | | Oil & Gas Operator | Oct 1996 |
| 15209 | Kachina Exploration Inc | Cheyenne, WY 82003 | Oil & Gas Operator | Jul 2000 |
| 15210 | Kachina Oil & Gas Inc. | Austin, TX 78766 | Oil & Gas Operator | Jul 2002 |
| 15211 | Kachina Oil Comp | | Oil & Gas Operator | Jan 1988 |
| 15212 | Kadane & Sons | | Oil & Gas Operator | May 1978 |
| 15213 | Kadane Corporation | Dallas, TX 75205 | Oil & Gas Operator | Nov 2024 |
| 15214 | Kadane Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 1998 |
| 15215 | Kahan & Assoc In | | Oil Operator | Dec 1996 |
| 15216 | Kahan And Associates, Inc | Tulsa, OK 74170 | Oil & Gas Operator | Sep 2024 |
| 15217 | Kahan Louis | Tulsa, OK 74101 | Oil & Gas Operator | May 1994 |
| 15218 | Kahlenberg Oil And Gas LLC | Conroe, TX 77304 | Oil Operator | Nov 2024 |
| 15219 | Kahn George Operating Co | Seminole, OK 74818 | Oil & Gas Operator | Nov 2000 |
| 15220 | Kaico Petroleum, L.L.C. | Argyle, TX 76226 | Oil Operator | Oct 2018 |
| 15221 | Kain Petroleum, LLC | Pearsall, TX 78061 | Oil & Gas Operator | Nov 2024 |
| 15222 | Kainz, David R. | Ottawa, KS 66067 | Oil Operator | Aug 2009 |
| 15223 | Kaiser Aluminum Exploration Co | | Oil & Gas Operator | Dec 1986 |
| 15224 | Kaiser Energy Inc | Denver, CO 80202 | Oil & Gas Operator | Dec 1990 |
| 15225 | Kaiser Farms | Edmond, OK 73025-9489 | Oil & Gas Operator | Sep 2024 |
| 15226 | Kaiser Investments | Sand Springs, OK 74063 | Oil & Gas Operator | Sep 2003 |
| 15227 | Kaiser Oil (U.S.) LTD. | | Oil & Gas Operator | Apr 1983 |
| 15228 | Kaiser Operating, LLC | | Oil & Gas Operator | Aug 2024 |
| 15229 | Kaiser-Francis O | | Oil & Gas Operator | Oct 1995 |
| 15230 | Kaiser-Francis Oil | | Oil Operator | Nov 1995 |
| 15231 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Nov 2024 |
| 15232 | Kal Energy Inc | Oklahoma City, OK 73116-3606 | Oil Operator | Nov 2014 |
| 15233 | Kal Oil Operations | | Oil Operator | Jul 2024 |
| 15234 | Kala Oil Company | Sundown, TX 79372 | Oil & Gas Operator | Nov 2024 |
| 15235 | Kalda Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 1994 |
| 15236 | Kaler Energy Corp. | Boerne, TX 78006 | Oil & Gas Operator | Nov 2024 |
| 15237 | Kaler Oil Company | Gainesville, TX 76240 | Oil & Gas Operator | Dec 2023 |
| 15238 | Kalkaska Oilfield Services Inc | | Oil Operator | Aug 2006 |
| 15239 | Kalkman Oil Corporation | Duncan, OK 73533 | Oil & Gas Operator | Aug 2024 |
| 15240 | Kallina, Carlton J. | Houston, TX 77269 | Gas Operator | Nov 2024 |
| 15241 | Kalos Corporation | Tyler, TX 75701 | Oil & Gas Operator | Nov 2024 |
| 15242 | Kamc Oil & Gas LLC | Queen Creek, AZ 85142 | Oil Operator | Jan 2011 |
| 15243 | Kamco Hot Oil Service Inc | Cement, OK 73017 | Oil & Gas Operator | Sep 2024 |
| 15244 | Kamco Limited | Salt Lake City, UT 84105 | Oil Operator | Sep 2016 |
| 15245 | Kamlok Oil & Gas, Inc. | Houston, TX 77240 | Oil & Gas Operator | Jun 1996 |
| 15246 | Kamlok, Inc. | | Oil Operator | Nov 1991 |
| 15247 | Kammer, Walter A. | Holland, NY 14080 | Gas Operator | Dec 2023 |
| 15248 | Kampresco Energy, LLC | Iowa Park, TX 76367 | Oil & Gas Operator | Nov 2024 |
| 15249 | Kan-Cal Enterpri | | Oil Operator | Dec 1988 |
| 15250 | Kan-Tex Drilling Corp. | | Oil Operator | Dec 1981 |
| 15251 | Kan-Texco Incorp | | Oil & Gas Operator | Dec 1994 |
| 15252 | Kana Resources, Inc. | Dallas, TX 75243 | Oil & Gas Operator | Aug 2003 |
| 15253 | Kanaco Oil Company | | Oil Operator | Dec 2019 |
| 15254 | Kanalta Resources, LTD. | Yates Center, KS 66783 | Oil Operator | Jan 1998 |
| 15255 | Kanan Oil & Gas, Inc. | | Oil & Gas Operator | Oct 1987 |
| 15256 | Kaneb Energy Company | | Oil & Gas Operator | Jan 1986 |
| 15257 | Kaneb Oil & Gas | | Oil & Gas Operator | Oct 1987 |
| 15258 | Kaneb Oil & Gas Company | | Oil & Gas Operator | Nov 1985 |
| 15259 | Kaneb Operating Company | Dallas, TX 75265-0283 | Oil & Gas Operator | Dec 1995 |
| 15260 | Kaneb Operg Co. LTD. PTN. | | Oil & Gas Operator | Aug 1988 |
| 15261 | Kanmap Incorpora | | Oil & Gas Operator | Dec 1995 |
| 15262 | Kano Partners | | Oil Operator | Sep 1989 |
| 15263 | Kanokla Oil & Gas Corporation | Wellington, KS 67152-0444 | Oil & Gas Operator | Aug 2024 |
| 15264 | Kanon Oil LLC | Cameron, TX 76520 | Oil Operator | Nov 2024 |
| 15265 | Kanpetro, Inc. | | Oil Operator | May 1991 |
| 15266 | Kansas City Oil, LLC | Parkville, MO 64152 | Oil Operator | May 2024 |
| 15267 | Kansas Crude Investments LLC | Hays, KS 67601 | Oil Operator | Jul 2024 |
| 15268 | Kansas Crude Oil | | Oil Operator | Dec 1987 |
| 15269 | Kansas Crude, Inc. | Hutchinson, KS 67501 | Oil & Gas Operator | Apr 2003 |
| 15270 | Kansas Energy Company, L.L.C. | Sedan, KS 67361 | Oil & Gas Operator | Jul 2024 |
| 15271 | Kansas Gas Co., Inc. | Wichita Falls, TX 76310 | Gas Operator | Jul 2024 |
| 15272 | Kansas Gas Purchasing | Salina, KS 67401 | Oil & Gas Operator | May 1995 |
| 15273 | Kansas Gas Service | | Oil Operator | Nov 1996 |
| 15274 | Kansas Gas Suppl | | Gas Operator | Sep 1984 |
| 15275 | Kansas Horizon O | | Oil & Gas Operator | Jun 1994 |
| 15276 | Kansas Horizon Oil, Inc. | Windom, KS 67491 | Oil Operator | May 2017 |
| 15277 | Kansas Ka-Tex Joint Venture, A General Partnership | San Antonio, TX 78216 | Gas Operator | Aug 2011 |
| 15278 | Kansas MB Project, LLC | Skiatook, OK 74070 | Oil & Gas Operator | Jul 2024 |
| 15279 | Kansas Natural G | | Oil & Gas Operator | Dec 1996 |
| 15280 | Kansas Natural Gas Operating, LC | Hays, KS 67601 | Gas Operator | Jul 2024 |
| 15281 | Kansas Natural Gas, Inc. | Hays, KS 67601 | Gas Operator | Jul 2024 |
| 15282 | Kansas Oil & Gas Corporation | Woodland HLS, CA 91367 | Oil & Gas Operator | Feb 2001 |
| 15283 | Kansas Oil Company | Kansas City, KS 66117 | Oil Operator | May 1997 |
| 15284 | Kansas Oil Prope | | Oil & Gas Operator | Sep 1991 |
| 15285 | Kansas Oil, Inc. | Chanute, KS 66720 | Oil Operator | Dec 2009 |
| 15286 | Kansas Oil, LLC | | Oil Operator | Jul 2024 |
| 15287 | Kansas Petroleum | | Oil & Gas Operator | Dec 1993 |
| 15288 | Kansas Petroleum, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Jul 2007 |
| 15289 | Kansas Power & L | | Oil Operator | Mar 1982 |
| 15290 | Kansas Renewable Resources, LLC | Great Bend, KS 67530 | Oil Operator | Jul 2024 |
| 15291 | Kansas Resource Exploration & Development, LLC | Overland Park, KS 66202 | Oil Operator | Jul 2024 |
| 15292 | Kansas Resource Exploration And Development | | Oil Operator | Apr 2022 |
| 15293 | Kansons Oil Co. | | Oil Operator | Jan 2014 |
| 15294 | Kant Walter F | Lance Creek, WY 82222 | Oil & Gas Operator | Dec 2002 |
| 15295 | Kantor Oil Compa | | Oil Operator | Aug 1994 |
| 15296 | Kantor Oil Company, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Sep 2024 |
| 15297 | Kar Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Nov 2024 |
| 15298 | Kara Enterprises Inc | Upton, WY 82730 | Oil Operator | Jul 2013 |
| 15299 | Karbank, Barney | Kansas City, MO 64199 | Oil Operator | Sep 2001 |
| 15300 | Karbuhn Oil Company | Tomball, TX 77375 | Oil & Gas Operator | Nov 2024 |