| 2201 | Kansas Crude Investments LLC | Hays, KS 67601 | Oil Operator | Dec 2023 |
| 2202 | Kansas Crude Oil | | Oil Operator | Dec 1987 |
| 2203 | Kansas Crude, Inc. | Hutchinson, KS 67501 | Oil & Gas Operator | Apr 2003 |
| 2204 | Kansas Energy Company, L.L.C. | Sedan, KS 67361 | Oil & Gas Operator | Dec 2023 |
| 2205 | Kansas Gas Co., Inc. | Wichita Falls, TX 76310 | Gas Operator | Dec 2023 |
| 2206 | Kansas Gas Service | | Oil Operator | Nov 1996 |
| 2207 | Kansas Gas Suppl | | Gas Operator | Sep 1984 |
| 2208 | Kansas Horizon O | | Oil & Gas Operator | Jun 1994 |
| 2209 | Kansas Horizon Oil, Inc. | Windom, KS 67491 | Oil Operator | May 2017 |
| 2210 | Kansas Ka-Tex Joint Venture, A General Partnership | San Antonio, TX 78216 | Gas Operator | Dec 2023 |
| 2211 | Kansas MB Project, LLC | Skiatook, OK 74070 | Oil & Gas Operator | Dec 2023 |
| 2212 | Kansas Natural G | | Oil & Gas Operator | Dec 1996 |
| 2213 | Kansas Natural Gas Operating, LC | Hays, KS 67601 | Gas Operator | Dec 2023 |
| 2214 | Kansas Natural Gas, Inc. | Hays, KS 67601 | Gas Operator | Dec 2023 |
| 2215 | Kansas Oil Company | Kansas City, KS 66117 | Oil Operator | May 1997 |
| 2216 | Kansas Oil Prope | | Oil & Gas Operator | Sep 1991 |
| 2217 | Kansas Oil, Inc. | Chanute, KS 66720 | Oil Operator | Dec 2009 |
| 2218 | Kansas Oil, LLC | | Oil Operator | Dec 2023 |
| 2219 | Kansas Petroleum | | Oil & Gas Operator | Dec 1993 |
| 2220 | Kansas Petroleum, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Jul 2007 |
| 2221 | Kansas Power & L | | Oil Operator | Mar 1982 |
| 2222 | Kansas Renewable Resources, LLC | Great Bend, KS 67530 | Oil Operator | Dec 2023 |
| 2223 | Kansas Resource Exploration & Development, LLC | Overland Park, KS 66202 | Oil Operator | Dec 2023 |
| 2224 | Kansons Oil Co. | | Oil Operator | Jan 2014 |
| 2225 | Kantor Oil Compa | | Oil Operator | Aug 1994 |
| 2226 | Kantor Oil Company, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2024 |
| 2227 | Karbank, Barney | Kansas City, MO 64199 | Oil Operator | Sep 2001 |
| 2228 | Karper Oil & Gas Corporation | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
| 2229 | Karst Brothers Oil Co, A General Partnership | Russell, KS 67665 | Oil Operator | Dec 2023 |
| 2230 | Karst Don Well S | | Oil Operator | Oct 1990 |
| 2231 | Karst, Elmer L | Russell, KS 67665 | Oil Operator | Feb 1990 |
| 2232 | Katana Resources | | Oil & Gas Operator | Aug 1984 |
| 2233 | Kato Operating C | | Oil Operator | Aug 1988 |
| 2234 | Katz Joe Oil Acc | | Oil Operator | Oct 1995 |
| 2235 | Kay Dee Oil | | Oil Operator | Dec 2023 |
| 2236 | KB Oil & Gas | | Oil & Gas Operator | Dec 2023 |
| 2237 | KBW Oil & Gas Co | Kiowa, KS 67070 | Oil & Gas Operator | Sep 2023 |
| 2238 | KC Resources Inc | Snowmass VLG., CO 81615 | Oil & Gas Operator | Dec 2023 |
| 2239 | Keen Oil Co | | Oil & Gas Operator | Dec 2023 |
| 2240 | Keener Oil Compa | | Oil & Gas Operator | Jul 1988 |
| 2241 | Keener Oil Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2018 |
| 2242 | Keith F. Walker Oil & Gas Co., LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Jan 2024 |
| 2243 | Keller Heirs Oil | | Oil Operator | Jul 2023 |
| 2244 | Kelly Company LC | Lenexa, KS 67215 | Oil & Gas Operator | Dec 2023 |
| 2245 | Kelso Casing Pul | | Oil Operator | Mar 1995 |
| 2246 | Kelso, Mike Oil | Chase, KS 67524 | Oil Operator | Oct 2013 |
| 2247 | Kelt Energy Inco | | Oil & Gas Operator | Sep 1995 |
| 2248 | Kelt Energy, Inc. | Independence, KS 67301 | Oil & Gas Operator | Dec 2003 |
| 2249 | Kem Energy, Inc. | Katy, TX 77450 | Oil & Gas Operator | Apr 2024 |
| 2250 | Kema Oil Company, Inc. | Lebo, KS 66856 | Oil Operator | Dec 2023 |
| 2251 | Kenbill Oil Comp | | Oil Operator | Jun 1994 |
| 2252 | Kenneco Incorpor | | Oil Operator | Sep 1984 |
| 2253 | Kennedy & Mitche | | Oil & Gas Operator | May 1990 |
| 2254 | Kenneth & Regina Laymon, LLC | Neosho Falls, KS 66758 | Oil Operator | Dec 2019 |
| 2255 | Kenneth W. Cory, LTD. | Bellaire, TX 77401 | Oil & Gas Operator | Jan 2024 |
| 2256 | Kenny Brown Enterprises LLC | Hays, KS 67601 | Oil Operator | Jul 2013 |
| 2257 | Kent, Cameron J | Garnett, KS 66032 | Oil Operator | Nov 2023 |
| 2258 | Kent, VInce J | Garnett, KS 66032 | Oil Operator | Oct 2002 |
| 2259 | Kenworthy Operating Company | Tulsa, OK 74132 | Oil & Gas Operator | May 2009 |
| 2260 | Kephart Drilling, Inc. | Thayer, KS 66776 | Oil & Gas Operator | Dec 2008 |
| 2261 | Kepley Brothers | Chanute, KS 66720 | Oil Operator | Sep 1992 |
| 2262 | Kepley Well Service, LLC | Chanute, KS 66720 | Oil Operator | Aug 2022 |
| 2263 | Kepley, L.F. | Wichita, KS 67204 | Oil Operator | Feb 1986 |
| 2264 | Kepley, William Samuel | Chanute, KS 66720 | Oil Operator | May 2023 |
| 2265 | Kera-Oil | Great Bend, KS 67530 | Oil Operator | Dec 2009 |
| 2266 | Kern Co. | Houston, TX 77095 | Oil & Gas Operator | Jan 2021 |
| 2267 | Kernodle Bros. Oil & Gas, General Partnership | Raytown, MO 64133 | Oil Operator | Jun 2018 |
| 2268 | Kerr Oil, LLC | Iola, KS 66749 | Oil Operator | Dec 2009 |
| 2269 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Apr 2024 |
| 2270 | Key Gas Corp. | Wichita, KS 67202 | Oil & Gas Operator | Nov 2018 |
| 2271 | Key Production Company, Inc. | Longview, TX 75606 | Oil & Gas Operator | Dec 2023 |
| 2272 | Keys Gerald W Oi | | Oil Operator | Mar 1993 |
| 2273 | Keys, Gerald Oil Production & Explor. | Humboldt, KS 66748 | Oil Operator | Mar 1999 |
| 2274 | Keyse, Ralph L. | Lane, KS 66042 | Oil Operator | Jul 2018 |
| 2275 | Keystone Oil Co. | Eureka, KS 67045 | Oil Operator | May 2000 |
| 2276 | KG Oil Co | | Oil Operator | Dec 2023 |
| 2277 | Kilby, M. T. | Yates Center, KS 66783 | Oil Operator | Sep 1986 |
| 2278 | Kimbark Oil & Ga | | Oil & Gas Operator | Aug 1992 |
| 2279 | Kimbark Oil & Gas Company | Denver, CO 80203 | Oil & Gas Operator | May 2007 |
| 2280 | Kimzey Drilling | | Oil Operator | Nov 2009 |
| 2281 | Kinderhook Oil & | | Oil Operator | Dec 1993 |
| 2282 | Kindervag Robert | | Oil Operator | Jun 1991 |
| 2283 | King Daniel L | | Oil Operator | May 1994 |
| 2284 | King Energy Co. | | Oil Operator | Nov 2019 |
| 2285 | King Energy Comp | | Oil Operator | Dec 1996 |
| 2286 | King Oil Operations, LLC | Ellis, KS 67637 | Oil Operator | Dec 2023 |
| 2287 | King Oil, Inc. | Jetmore, KS 67854 | Oil Operator | Dec 2023 |
| 2288 | King Operating Corporation | Pampa, TX 79066 | Oil & Gas Operator | Apr 2024 |
| 2289 | King'S Well Service LLC | Blackwell, OK 74631 | Oil Operator | Dec 2023 |
| 2290 | Kingsbury Petrol | | Oil Operator | Jul 1986 |
| 2291 | Kinney Oil Company | Denver, CO 80202 | Oil Operator | Jul 2022 |
| 2292 | Kiowa Gas Company | Dallas, TX 75206 | Oil & Gas Operator | Dec 2023 |
| 2293 | Kiowa Producers, LLC | Parsons, KS 67357 | Oil & Gas Operator | Dec 2023 |
| 2294 | Kirkman W L Inco | | Oil & Gas Operator | Dec 1994 |
| 2295 | Kirkpatrick | Longton, KS 67352 | Oil Operator | Jun 2000 |
| 2296 | Kirkpatrick Oil Company | Oklahoma City, OK 73116 | Oil & Gas Operator | Apr 2024 |
| 2297 | Kirkpatrick Properties LLC | Ellinwood, KS 67526 | Oil Operator | Dec 2023 |
| 2298 | Kirkpatrick W E | Ponca City, OK 74604-4146 | Gas Operator | Oct 2001 |
| 2299 | Kiska Oil Compan | | Oil & Gas Operator | Oct 1989 |
| 2300 | Kiska Oil Company | Tulsa, OK 74114 | Oil & Gas Operator | Jan 2019 |