| 2201 | Johnson Dozer Service | Thayer, KS 66776 | Oil Operator | Dec 2009 |
| 2202 | Johnson E Wallac | | Oil Operator | Apr 1993 |
| 2203 | Johnson Oil Co., LLC | Buffalo, KS 66717 | Oil Operator | Jan 2025 |
| 2204 | Johnson Oil Fiel | | Oil Operator | Sep 1992 |
| 2205 | Johnson Oil, A General Partnership | Phillipsburg, KS 67661 | Oil Operator | Jan 2025 |
| 2206 | Johnson, A.G. | Shawnee, OK 74801 | Oil Operator | Oct 1999 |
| 2207 | Johnson, Charles | Midland, TX 79702 | Oil & Gas Operator | May 2025 |
| 2208 | Johnson, E. Wallace(Deceased) | Towanda, KS 67144 | Gas Operator | Feb 2016 |
| 2209 | Johnson, Norman L. | Rantoul, KS 66079 | Oil Operator | Jan 2002 |
| 2210 | Jolen Operating Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2025 |
| 2211 | Jonathan Oil | El Dorado, KS 67042 | Oil Operator | Feb 2002 |
| 2212 | Jones & Buck Development, LLC | Sedan, KS 67361 | Oil & Gas Operator | Feb 2025 |
| 2213 | Jones & Sons Wel | | Oil Operator | Feb 1990 |
| 2214 | Jones Frank Oil | | Oil Operator | May 1988 |
| 2215 | Jones G R Oil & | | Oil & Gas Operator | Nov 1993 |
| 2216 | Jones Gas Corporation | Wichita, KS 67278 | Gas Operator | Dec 2009 |
| 2217 | Jones Lee R Jr O | | Oil & Gas Operator | Aug 1995 |
| 2218 | Jones Oil Exploration, LLC | Sedan, KS 67361 | Oil & Gas Operator | Jan 2025 |
| 2219 | Jones Oil, LLC | St John, KS 67576 | Oil & Gas Operator | Jan 2025 |
| 2220 | Jones Pumping Service, LLC | Yates Center, KS 66783 | Oil Operator | Dec 2024 |
| 2221 | Jones, Cal | Canton, KS 67428 | Oil & Gas Operator | Mar 2002 |
| 2222 | Jones, Stephen C. | Broken Arrow, OK 74011 | Oil & Gas Operator | Jun 2018 |
| 2223 | Jones, William A. | Longton, KS 67352 | Oil Operator | Aug 1993 |
| 2224 | Jones, William S. | Emporia, KS 66801 | Oil Operator | Oct 1987 |
| 2225 | Jordan Oil Management Inc. | Haysville, KS 67060 | Oil & Gas Operator | Jan 2025 |
| 2226 | Jost, Selma | Reedley, CA 93654 | Oil Operator | Jul 1996 |
| 2227 | Joy & Huston | | Oil Operator | Jul 1986 |
| 2228 | Joy Operating Co | | Oil Operator | Jan 1984 |
| 2229 | JP Oil | Cleveland, OK 74020-9664 | Oil Operator | Jan 2025 |
| 2230 | JPFB Operating, LLC | Edmond, OK 73083 | Oil Operator | Dec 2019 |
| 2231 | Jr Oil | Chanute, KS 66720 | Oil & Gas Operator | Oct 2019 |
| 2232 | JRC Oil Company | Garnett, KS 66032 | Oil Operator | Jan 2025 |
| 2233 | JT Enterprises | Gorham, KS 67640 | Oil Operator | Aug 1990 |
| 2234 | JTC Oil, Inc. | Louisburg, KS 66053 | Oil Operator | Jan 2025 |
| 2235 | Judson Enterprises, Inc. | Emporia, KS 66801 | Oil Operator | Jan 2025 |
| 2236 | Judy Company, Inc. | Kansas City, KS 66111 | Oil & Gas Operator | May 2013 |
| 2237 | Jug Enterprises | | Oil Operator | Jan 1988 |
| 2238 | Justin Energy Corporation | Wellsville, KS 66092 | Oil Operator | Jan 2025 |
| 2239 | K & A Development LLC | Wellsville, KS 66092 | Oil Operator | Jan 2025 |
| 2240 | K & A Oil, A General Partnership | Longton, KS 67352 | Oil Operator | Jan 2025 |
| 2241 | K & D Oil Compan | | Oil Operator | Apr 1994 |
| 2242 | K & E Drilling I | | Oil & Gas Operator | Sep 1995 |
| 2243 | K & E Drilling, Inc | Wichita, KS 67202 | Oil & Gas Operator | Jan 2025 |
| 2244 | K & E Petroleum | | Oil & Gas Operator | Jan 1995 |
| 2245 | K & E Petroleum, Inc. | San Antonio, TX 78230 | Oil & Gas Operator | Apr 2012 |
| 2246 | K & G Oil Incorp | | Oil Operator | Mar 1988 |
| 2247 | K & K Oil | Chase, KS 67524 | Oil & Gas Operator | Oct 2019 |
| 2248 | K & L Oil Compan | | Oil Operator | Dec 1993 |
| 2249 | K & L Tank Truck | | Oil Operator | Aug 1987 |
| 2250 | K & L Tank Truck Service, Inc. | Garden City, KS 67846 | Oil Operator | Apr 2023 |
| 2251 | K & N Petroleum, Inc. | Great Bend, KS 67530 | Oil Operator | Jan 2025 |
| 2252 | K C Crude Incorp | | Oil & Gas Operator | Mar 1994 |
| 2253 | K C Development | | Oil & Gas Operator | Dec 1996 |
| 2254 | K C Resources In | | Oil & Gas Operator | Oct 1993 |
| 2255 | K Explorations | | Gas Operator | May 1984 |
| 2256 | K N Energy Inc | Lakewood, CO 80228 | Oil & Gas Operator | Nov 2000 |
| 2257 | K N Processing | | Gas Operator | Mar 1999 |
| 2258 | K R M Petroleum | | Oil & Gas Operator | Jan 1990 |
| 2259 | K S Oil Company Inc | Norman, OK 73072-7480 | Oil & Gas Operator | Feb 2025 |
| 2260 | K W Drilling, Inc. | Topeka, KS 66617 | Gas Operator | Sep 1991 |
| 2261 | K W Oil Well Service. Inc. | Chanute, KS 66720 | Oil Operator | Apr 2017 |
| 2262 | K-3 Energy Corpo | | Oil Operator | May 1988 |
| 2263 | K-Bar Oil LLC | McPherson, KS 67460 | Oil Operator | Jan 2025 |
| 2264 | K-W Oil - Evans | | Oil Operator | Jan 1994 |
| 2265 | K. C. Crude, Inc. | Lenexa, KS 66215 | Oil & Gas Operator | Dec 2000 |
| 2266 | K.C. Development, Inc. | Marion, KS 66861 | Oil Operator | Mar 2009 |
| 2267 | K.C. Energy | Kansas City, MO 64111 | Oil Operator | Apr 1986 |
| 2268 | K.C. Operations | | Oil Operator | Nov 2024 |
| 2269 | K.E. Snyder Co., LLC | Hamilton, KS 66853 | Oil Operator | Jan 2025 |
| 2270 | K.J.S. Oil | | Oil & Gas Operator | Jan 2025 |
| 2271 | K.W.S. Oil Development | Chanute, KS 66720 | Oil Operator | May 2004 |
| 2272 | K3 Oil & Gas Operating Company | Spring, TX 77383 | Oil & Gas Operator | Feb 2025 |
| 2273 | Ka Tex Energies, Inc. | Iola, TX 77861 | Oil & Gas Operator | May 1999 |
| 2274 | Kachina Oil Comp | | Oil & Gas Operator | Jan 1988 |
| 2275 | Kachina Oil Company | Wichita, KS 67202 | Gas Operator | Sep 1998 |
| 2276 | Kahan & Assoc In | | Oil Operator | Dec 1996 |
| 2277 | Kahan And Associates, Inc | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2025 |
| 2278 | Kainz, David R. | Ottawa, KS 66067 | Oil Operator | Aug 2009 |
| 2279 | Kaiser-Francis O | | Oil & Gas Operator | Oct 1995 |
| 2280 | Kaiser-Francis Oil | | Oil Operator | Nov 1995 |
| 2281 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | May 2025 |
| 2282 | Kal Oil Operations | | Oil Operator | Dec 2024 |
| 2283 | Kamc Oil & Gas LLC | Queen Creek, AZ 85142 | Oil Operator | Jan 2011 |
| 2284 | Kan-Cal Enterpri | | Oil Operator | Dec 1988 |
| 2285 | Kan-Texco Incorp | | Oil & Gas Operator | Dec 1994 |
| 2286 | Kanaco Oil Company | | Oil Operator | Dec 2019 |
| 2287 | Kanalta Resources, LTD. | Yates Center, KS 66783 | Oil Operator | Jan 1998 |
| 2288 | Kanmap Incorpora | | Oil & Gas Operator | Dec 1995 |
| 2289 | Kano Partners | | Oil Operator | Sep 1989 |
| 2290 | Kansas Bourse In | | Oil & Gas Operator | Apr 1985 |
| 2291 | Kansas City Oil, LLC | Parkville, MO 64152 | Oil Operator | Sep 2024 |
| 2292 | Kansas Crude Investments LLC | Hays, KS 67601 | Oil Operator | Jan 2025 |
| 2293 | Kansas Crude Oil | | Oil Operator | Dec 1987 |
| 2294 | Kansas Crude Resources, LLC | | Oil Operator | Jan 2025 |
| 2295 | Kansas Crude, Inc. | Hutchinson, KS 67501 | Oil & Gas Operator | Apr 2003 |
| 2296 | Kansas Energy Company, L.L.C. | Sedan, KS 67361 | Oil & Gas Operator | Jan 2025 |
| 2297 | Kansas Gas Co., Inc. | Wichita Falls, TX 76310 | Gas Operator | Jan 2025 |
| 2298 | Kansas Gas Service | | Oil Operator | Nov 1996 |
| 2299 | Kansas Gas Suppl | | Gas Operator | Sep 1984 |
| 2300 | Kansas Horizon O | | Oil & Gas Operator | Jun 1994 |