| 2101 | Jody Oil & Gas Corporation | Attica, KS 67009 | Oil & Gas Operator | Jan 2024 |
| 2102 | Joe Gerstner Oil, LLC | Ness City, KS 67560 | Oil Operator | Jan 2024 |
| 2103 | Joel Associates Inc. | Wichita, KS 67203 | Gas Operator | Mar 2013 |
| 2104 | John C Ginther Oil, LLC | Hays, KS 67601 | Oil Operator | Dec 2023 |
| 2105 | John H. Booth, Inc. | Tulsa, OK 74170 | Oil & Gas Operator | Jan 2024 |
| 2106 | John Henry Oil LLC | Eureka, KS 67045 | Oil Operator | Nov 2017 |
| 2107 | John M. Denman Oil Co., Inc. | Houston, TX 77251 | Oil Operator | Dec 2009 |
| 2108 | John O. Farmer, Inc. | | Oil & Gas Operator | Dec 1996 |
| 2109 | John Roy Evans Oil Company LLC | Claflin, KS 67525 | Oil Operator | Jan 2024 |
| 2110 | Johnson Brothers | Morse, TX 79062 | Oil & Gas Operator | May 2024 |
| 2111 | Johnson Donald L | | Oil Operator | Dec 2009 |
| 2112 | Johnson Dozer Service | Thayer, KS 66776 | Oil Operator | Dec 2009 |
| 2113 | Johnson E Wallac | | Oil Operator | Apr 1993 |
| 2114 | Johnson Oil Co., LLC | Buffalo, KS 66717 | Oil Operator | Dec 2023 |
| 2115 | Johnson Oil Fiel | | Oil Operator | Sep 1992 |
| 2116 | Johnson Oil, A General Partnership | Phillipsburg, KS 67661 | Oil Operator | Jan 2024 |
| 2117 | Johnson, A.G. | Shawnee, OK 74801 | Oil Operator | Oct 1999 |
| 2118 | Johnson, Charles | Midland, TX 79702 | Oil & Gas Operator | May 2024 |
| 2119 | Johnson, E. Wallace(Deceased) | Towanda, KS 67144 | Gas Operator | Feb 2016 |
| 2120 | Johnson, Norman L. | Rantoul, KS 66079 | Oil Operator | Jan 2002 |
| 2121 | Jolen Operating Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2024 |
| 2122 | Jonathan Oil | El Dorado, KS 67042 | Oil Operator | Feb 2002 |
| 2123 | Jones & Buck Development, LLC | Sedan, KS 67361 | Oil & Gas Operator | Jan 2024 |
| 2124 | Jones & Sons Wel | | Oil Operator | Feb 1990 |
| 2125 | Jones Frank Oil | | Oil Operator | May 1988 |
| 2126 | Jones G R Oil & | | Oil & Gas Operator | Nov 1993 |
| 2127 | Jones Gas Corporation | Wichita, KS 67278 | Gas Operator | Dec 2009 |
| 2128 | Jones Lee R Jr O | | Oil & Gas Operator | Aug 1995 |
| 2129 | Jones Oil Exploration, LLC | Sedan, KS 67361 | Oil & Gas Operator | Jan 2024 |
| 2130 | Jones Oil, LLC | St John, KS 67576 | Oil & Gas Operator | Jan 2024 |
| 2131 | Jones, Cal | Canton, KS 67428 | Oil & Gas Operator | Mar 2002 |
| 2132 | Jones, Stephen C. | Broken Arrow, OK 74011 | Oil & Gas Operator | Jun 2018 |
| 2133 | Jones, William A. | Longton, KS 67352 | Oil Operator | Aug 1993 |
| 2134 | Jones, William S. | Emporia, KS 66801 | Oil Operator | Oct 1987 |
| 2135 | Jordan Oil Management Inc. | Haysville, KS 67060 | Oil & Gas Operator | Jan 2024 |
| 2136 | Jost, Selma | Reedley, CA 93654 | Oil Operator | Jul 1996 |
| 2137 | Joy & Huston | | Oil Operator | Jul 1986 |
| 2138 | Joy Operating Co | | Oil Operator | Jan 1984 |
| 2139 | JP Oil | Cleveland, OK 74020-9664 | Oil Operator | Dec 2023 |
| 2140 | JPFB Operating, LLC | Edmond, OK 73083 | Oil Operator | Dec 2019 |
| 2141 | Jr Oil | Chanute, KS 66720 | Oil & Gas Operator | Oct 2019 |
| 2142 | JRC Oil Company | Garnett, KS 66032 | Oil Operator | Jan 2024 |
| 2143 | JT Enterprises | Gorham, KS 67640 | Oil Operator | Aug 1990 |
| 2144 | JTC Oil, Inc. | Louisburg, KS 66053 | Oil Operator | Jan 2024 |
| 2145 | Judson Enterprises, Inc. | Emporia, KS 66801 | Oil Operator | Jan 2024 |
| 2146 | Judy Company, Inc. | Kansas City, KS 66111 | Oil & Gas Operator | May 2013 |
| 2147 | Jug Enterprises | | Oil Operator | Jan 1988 |
| 2148 | Justin Energy Corporation | Wellsville, KS 66092 | Oil Operator | Jan 2024 |
| 2149 | K & A Development LLC | Wellsville, KS 66092 | Oil Operator | Jan 2024 |
| 2150 | K & A Oil, A General Partnership | Longton, KS 67352 | Oil Operator | Jan 2024 |
| 2151 | K & D Oil Compan | | Oil Operator | Apr 1994 |
| 2152 | K & E Drilling I | | Oil & Gas Operator | Sep 1995 |
| 2153 | K & E Drilling, Inc | Wichita, KS 67202 | Oil & Gas Operator | Jan 2024 |
| 2154 | K & E Petroleum | | Oil & Gas Operator | Jan 1995 |
| 2155 | K & E Petroleum, Inc. | San Antonio, TX 78230 | Oil & Gas Operator | Apr 2012 |
| 2156 | K & G Oil Incorp | | Oil Operator | Mar 1988 |
| 2157 | K & K Oil | Chase, KS 67524 | Oil & Gas Operator | Oct 2019 |
| 2158 | K & L Oil Compan | | Oil Operator | Dec 1993 |
| 2159 | K & L Tank Truck | | Oil Operator | Aug 1987 |
| 2160 | K & L Tank Truck Service, Inc. | Garden City, KS 67846 | Oil Operator | Apr 2023 |
| 2161 | K & N Petroleum, Inc. | Great Bend, KS 67530 | Oil Operator | Jan 2024 |
| 2162 | K C Crude Incorp | | Oil & Gas Operator | Mar 1994 |
| 2163 | K C Development | | Oil & Gas Operator | Dec 1996 |
| 2164 | K C Resources In | | Oil & Gas Operator | Oct 1993 |
| 2165 | K N Energy Inc | Lakewood, CO 80228 | Oil & Gas Operator | Nov 2000 |
| 2166 | K N Processing | | Gas Operator | Mar 1999 |
| 2167 | K R M Petroleum | | Oil & Gas Operator | Jan 1990 |
| 2168 | K S Oil Company Inc | Norman, OK 73072-7480 | Oil & Gas Operator | Feb 2024 |
| 2169 | K W Oil Well Service. Inc. | Chanute, KS 66720 | Oil Operator | Apr 2017 |
| 2170 | K-3 Energy Corpo | | Oil Operator | May 1988 |
| 2171 | K-Bar Oil LLC | McPherson, KS 67460 | Oil Operator | Jan 2024 |
| 2172 | K-W Oil - Evans | | Oil Operator | Jan 1994 |
| 2173 | K. C. Crude, Inc. | Lenexa, KS 66215 | Oil & Gas Operator | Dec 2000 |
| 2174 | K.C. Development, Inc. | Marion, KS 66861 | Oil Operator | Mar 2009 |
| 2175 | K.C. Energy | Kansas City, MO 64111 | Oil Operator | Apr 1986 |
| 2176 | K.C. Operations | | Oil Operator | Jan 2024 |
| 2177 | K.E. Snyder Co., LLC | Hamilton, KS 66853 | Oil Operator | Dec 2023 |
| 2178 | K.J.S. Oil | | Oil & Gas Operator | Jan 2024 |
| 2179 | K.W.S. Oil Development | Chanute, KS 66720 | Oil Operator | May 2004 |
| 2180 | K3 Oil & Gas Operating Company | Spring, TX 77383 | Oil & Gas Operator | Nov 2023 |
| 2181 | Ka Tex Energies, Inc. | Iola, TX 77861 | Oil & Gas Operator | May 1999 |
| 2182 | Kachina Oil Comp | | Oil & Gas Operator | Jan 1988 |
| 2183 | Kahan & Assoc In | | Oil Operator | Dec 1996 |
| 2184 | Kahan And Associates, Inc | Tulsa, OK 74170 | Oil & Gas Operator | Jan 2024 |
| 2185 | Kainz, David R. | Ottawa, KS 66067 | Oil Operator | Aug 2009 |
| 2186 | Kaiser-Francis O | | Oil & Gas Operator | Oct 1995 |
| 2187 | Kaiser-Francis Oil | | Oil Operator | Nov 1995 |
| 2188 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | May 2024 |
| 2189 | Kal Oil Operations | | Oil Operator | Jan 2024 |
| 2190 | Kamc Oil & Gas LLC | Queen Creek, AZ 85142 | Oil Operator | Jan 2011 |
| 2191 | Kan-Cal Enterpri | | Oil Operator | Dec 1988 |
| 2192 | Kan-Texco Incorp | | Oil & Gas Operator | Dec 1994 |
| 2193 | Kanaco Oil Company | | Oil Operator | Dec 2019 |
| 2194 | Kanalta Resources, LTD. | Yates Center, KS 66783 | Oil Operator | Jan 1998 |
| 2195 | Kanmap Incorpora | | Oil & Gas Operator | Dec 1995 |
| 2196 | Kano Partners | | Oil Operator | Sep 1989 |
| 2197 | Kanok Energy LLC | Henryetta, OK 74437 | Gas Operator | Jan 2024 |
| 2198 | Kansas City Oil, LLC | Parkville, MO 64152 | Oil Operator | Jul 2022 |
| 2199 | Kansas Crude Investments LLC | Hays, KS 67601 | Oil Operator | Jan 2024 |
| 2200 | Kansas Crude Oil | | Oil Operator | Dec 1987 |