| 2101 | Jackson Brothers | | Oil Operator | Dec 1996 |
| 2102 | Jackson Brothers, L.L.C. | Eureka, KS 67045 | Oil Operator | Mar 2025 |
| 2103 | Jackson Dorwin R | | Oil Operator | Sep 1995 |
| 2104 | Jackson John J | | Oil Operator | Nov 1993 |
| 2105 | Jackson, Brian & Janet | Elsmore, KS 66732 | Oil Operator | Jun 2024 |
| 2106 | Jackson, Joshua And Reacreisha | Mapleton, KS 66754 | Oil Operator | Mar 2025 |
| 2107 | Jackson, Levi | Mound City, KS 66056 | Oil Operator | Mar 2025 |
| 2108 | Jacobs Fred T | | Oil Operator | Apr 1991 |
| 2109 | Jacobs, Gary D. | Medicine Lodge, KS 67104 | Oil & Gas Operator | Dec 2016 |
| 2110 | Jacobsen Michael | | Oil Operator | Dec 1996 |
| 2111 | Jad Petroleum Corporation | Colorado Springs, CO 80906 | Oil & Gas Operator | Aug 1998 |
| 2112 | Jade Petroleum C | | Oil & Gas Operator | Mar 1985 |
| 2113 | Jade Resources I | | Gas Operator | Jan 1989 |
| 2114 | Jade Resources Inc | Englewood, CO 80112 | Oil Operator | Jul 1998 |
| 2115 | Jaed Production Co., | Arkansas City, KS 67005 | Oil & Gas Operator | Mar 2024 |
| 2116 | Jag Petroleum LLC | Houston, TX 77058 | Oil Operator | Nov 2009 |
| 2117 | Jaguar Petroleum | | Oil Operator | Jul 1994 |
| 2118 | Jake'S Oil Co. | | Oil Operator | Oct 2019 |
| 2119 | Jako Productions | | Oil Operator | Jul 2014 |
| 2120 | James B. Read Operating, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2025 |
| 2121 | James P. Williams Enterprises, Inc. | Palco, KS 67657 | Oil Operator | Mar 2025 |
| 2122 | James Production, Inc. | Yates Center, KS 66783 | Oil Operator | Feb 2025 |
| 2123 | James W. Collins Oil Operations | | Oil Operator | Dec 2009 |
| 2124 | Jandie Oil Compa | | Oil Operator | Jul 1990 |
| 2125 | Jantz & Associat | | Oil & Gas Operator | Feb 1991 |
| 2126 | Jas Oil Company | Winfield, KS 67156 | Oil & Gas Operator | Dec 1995 |
| 2127 | Jason Oil Compan | | Oil Operator | Sep 1992 |
| 2128 | Jason Oil Company | | Oil Operator | Dec 2014 |
| 2129 | Jason Oil Company, LLC | Russell, KS 67665 | Oil Operator | Mar 2025 |
| 2130 | Jaspar Co. | Hays, KS 67601 | Oil Operator | Mar 2025 |
| 2131 | Jaxco Energy, A General Partnership | Garnett, KS 66032 | Oil Operator | Feb 2025 |
| 2132 | Jay Boy Oil Inco | | Oil & Gas Operator | May 1992 |
| 2133 | Jay C. Boyer Oil | | Oil Operator | Nov 2009 |
| 2134 | Jay M. Schendel, A General Partnership | Wellsville, KS 66092 | Oil Operator | Dec 2019 |
| 2135 | Jayhawk Energy Inc. | Spokane, WA 99202 | Oil & Gas Operator | May 2016 |
| 2136 | Jayhawk Exploration LLC | Frederickburg, TX 78624 | Oil Operator | Jul 2009 |
| 2137 | Jayson David Company | Seward, KS 67576 | Oil Operator | Apr 2009 |
| 2138 | JBG Oil & Gas Company LLC | Ashland, KS 67831 | Oil & Gas Operator | Mar 2025 |
| 2139 | JBM Oil, LLC | Ottawa, KS 66067 | Oil Operator | Dec 2019 |
| 2140 | JCS Operating LLC | Guymon, OK 73942 | Oil & Gas Operator | Apr 2025 |
| 2141 | JD Production Co | Waco, TX 76702 | Oil & Gas Operator | Dec 2009 |
| 2142 | Jedona Energy, LLC | | Oil Operator | Apr 2004 |
| 2143 | Jeff'S Oilwell Supervision | | Oil Operator | Jan 2025 |
| 2144 | Jeffery Energy Corporation | Meade, KS 67864 | Gas Operator | Dec 2019 |
| 2145 | Jeffries, Peter | Leawood, KS 66224 | Oil Operator | Aug 2021 |
| 2146 | Jel Resources, LLC | Castle Rock, CO 80109 | Oil & Gas Operator | Mar 2025 |
| 2147 | Jenkins & Broyle | | Oil & Gas Operator | Sep 1991 |
| 2148 | Jenkins & Broyles Production Company | | Oil Operator | Dec 2006 |
| 2149 | Jenkins & Sons Production, Inc. | Arkansas City, KS 67005 | Oil Operator | Jul 2014 |
| 2150 | Jenkins, Don(Deceased)Estate | Arkansas City, KS 67005 | Oil & Gas Operator | Dec 2009 |
| 2151 | Jenkins, Donnie G. Jr. | Arkansas City, KS 67005 | Oil Operator | Dec 2019 |
| 2152 | Jennings Drillin | | Oil & Gas Operator | Jul 1988 |
| 2153 | Jernigan Steve I | | Oil Operator | Mar 1993 |
| 2154 | Jerry Patterson Oil | | Oil Operator | May 2004 |
| 2155 | Jet Drilling Cor | | Oil Operator | Oct 1995 |
| 2156 | Jet Drilling Corp. | Scottsdale, AZ 85252 | Oil & Gas Operator | Dec 1996 |
| 2157 | Jetgo Oil Compan | | Oil & Gas Operator | Jan 1995 |
| 2158 | Jew-Del Oil & Ga | | Gas Operator | Dec 1994 |
| 2159 | Jezek, Ernest D. | Holyrood, KS 67450 | Oil Operator | Dec 2019 |
| 2160 | JFW Incorporated | Plevna, KS 67568 | Oil & Gas Operator | Oct 2006 |
| 2161 | JGK Oil, Inc. | Chanute, KS 66720 | Oil Operator | Aug 1998 |
| 2162 | JHL Energy, Inc. | Wichita, KS 67209 | Oil & Gas Operator | Apr 2016 |
| 2163 | JHS Energy, Inc | Denver, CO 80222 | Oil & Gas Operator | Mar 2025 |
| 2164 | Jim Snyder, Inc. | Hamilton, KS 66853 | Oil Operator | Mar 2025 |
| 2165 | Jim'S Operating Service | Dewey, OK 74029 | Oil Operator | Dec 1996 |
| 2166 | Jimenez Well Service, LLC | Kingman, KS 67068 | Oil Operator | Jan 2016 |
| 2167 | JJ Leasing | Bartlesville, OK 74006 | Oil Operator | Feb 1989 |
| 2168 | JJP Energy, LLC | Fredonia, KS 66736 | Oil Operator | Dec 2009 |
| 2169 | Jma Energy Company, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | May 2025 |
| 2170 | Jma Resources In | | Oil & Gas Operator | Sep 1995 |
| 2171 | Jma Resources, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Apr 2025 |
| 2172 | JMDR Holdings LLC | Destin, FL 32541 | Oil Operator | Jul 2024 |
| 2173 | JML Company | | Oil Operator | May 2006 |
| 2174 | Jo-Allyn Oil Co Inc | Laverne, OK 73848 | Oil & Gas Operator | May 2025 |
| 2175 | Jo-Mar Industries | Winfield, KS 67156 | Oil Operator | Mar 1997 |
| 2176 | Jody Oil & Gas Corporation | Attica, KS 67009 | Oil & Gas Operator | Mar 2025 |
| 2177 | Joe Gerstner Oil, LLC | Ness City, KS 67560 | Oil Operator | Mar 2025 |
| 2178 | Joel Associates Inc. | Wichita, KS 67203 | Gas Operator | Mar 2013 |
| 2179 | John C Ginther Oil, LLC | Hays, KS 67601 | Oil Operator | Jan 2025 |
| 2180 | John H. Booth, Inc. | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2025 |
| 2181 | John Henry Oil LLC | Eureka, KS 67045 | Oil Operator | Nov 2017 |
| 2182 | John M. Denman Oil Co., Inc. | Houston, TX 77251 | Oil Operator | Dec 2009 |
| 2183 | John O. Farmer, Inc. | | Oil & Gas Operator | Dec 1996 |
| 2184 | John Roy Evans Oil Company LLC | Claflin, KS 67525 | Oil Operator | Mar 2025 |
| 2185 | Johnson Brothers | Morse, TX 79062 | Oil & Gas Operator | Jul 2025 |
| 2186 | Johnson Donald L | | Oil Operator | Dec 2009 |
| 2187 | Johnson Dozer Service | Thayer, KS 66776 | Oil Operator | Dec 2009 |
| 2188 | Johnson E Wallac | | Oil Operator | Apr 1993 |
| 2189 | Johnson Oil Co., LLC | Buffalo, KS 66717 | Oil Operator | Mar 2025 |
| 2190 | Johnson Oil Fiel | | Oil Operator | Sep 1992 |
| 2191 | Johnson Oil, A General Partnership | Phillipsburg, KS 67661 | Oil Operator | Mar 2025 |
| 2192 | Johnson, A.G. | Shawnee, OK 74801 | Oil Operator | Oct 1999 |
| 2193 | Johnson, Charles | Midland, TX 79702 | Oil & Gas Operator | Jul 2025 |
| 2194 | Johnson, E. Wallace(Deceased) | Towanda, KS 67144 | Gas Operator | Feb 2016 |
| 2195 | Johnson, Norman L. | Rantoul, KS 66079 | Oil Operator | Jan 2002 |
| 2196 | Jolen Operating Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2025 |
| 2197 | Jonathan Oil | El Dorado, KS 67042 | Oil Operator | Feb 2002 |
| 2198 | Jones & Buck Development, LLC | Sedan, KS 67361 | Oil & Gas Operator | Apr 2025 |
| 2199 | Jones & Sons Wel | | Oil Operator | Feb 1990 |
| 2200 | Jones Frank Oil | | Oil Operator | May 1988 |