| 2101 | J&H Oil Company | Gainesville, TX 76240 | Oil & Gas Operator | Mar 2025 |
| 2102 | J&S Jackson Oil | | Oil Operator | Nov 2024 |
| 2103 | J-F Oil Company LLC | Hays, KS 67601 | Oil & Gas Operator | Dec 2002 |
| 2104 | J-V Oil, LLC | Chanute, KS 66720 | Oil & Gas Operator | Nov 2024 |
| 2105 | J-W Operating Company | Christoval, TX 76935 | Oil & Gas Operator | Mar 2025 |
| 2106 | J. C. Oil Company | Odessa, TX 79766 | Oil & Gas Operator | Mar 2015 |
| 2107 | J. D. & M., Inc. | Cherryvale, KS 67335 | Oil Operator | Oct 2024 |
| 2108 | J. Herrick Pro | | Oil Operator | Oct 2024 |
| 2109 | J. K. Brown, Inc. | Littleton, CO 80161 | Gas Operator | Dec 2019 |
| 2110 | J. W. Oil | | Oil Operator | Oct 2024 |
| 2111 | J.D. Drilling Co. | Basehor, KS 66007 | Oil & Gas Operator | Dec 2023 |
| 2112 | J.E.B. Oil Research, Inc. | Neodesha, KS 66757 | Gas Operator | Sep 2003 |
| 2113 | J.H. R., Inc. | Bridgeville, PA 15017 | Oil Operator | Jan 2013 |
| 2114 | J.H.R. Corporation | Bridgeville, PA 15017 | Oil & Gas Operator | Jul 2001 |
| 2115 | J.P. Oil Company, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2025 |
| 2116 | J.R. Oil Company | Houston, TX 77007 | Oil & Gas Operator | Jul 2019 |
| 2117 | J.R. Oil Productions | | Oil Operator | Jul 2019 |
| 2118 | Jack Exploration, Inc. | Sulphur, OK 73086 | Oil & Gas Operator | Oct 2017 |
| 2119 | Jack W Sanders & Son, General Partnership | Wellsville, KS 66092 | Oil Operator | Mar 2024 |
| 2120 | Jackknife Oil | Longton, KS 67352 | Oil Operator | Apr 1989 |
| 2121 | Jackman & Jackma | | Oil Operator | Jan 1986 |
| 2122 | Jackson Brothers | | Oil Operator | Dec 1996 |
| 2123 | Jackson Brothers, L.L.C. | Eureka, KS 67045 | Oil Operator | Nov 2024 |
| 2124 | Jackson Dorwin R | | Oil Operator | Sep 1995 |
| 2125 | Jackson John J | | Oil Operator | Nov 1993 |
| 2126 | Jackson, Brian & Janet | Elsmore, KS 66732 | Oil Operator | Jun 2024 |
| 2127 | Jackson, Joshua And Reacreisha | Mapleton, KS 66754 | Oil Operator | Oct 2024 |
| 2128 | Jackson, Levi | Mound City, KS 66056 | Oil Operator | Nov 2024 |
| 2129 | Jacobs Fred T | | Oil Operator | Apr 1991 |
| 2130 | Jacobs, Gary D. | Medicine Lodge, KS 67104 | Oil & Gas Operator | Dec 2016 |
| 2131 | Jacobsen Michael | | Oil Operator | Dec 1996 |
| 2132 | Jad Petroleum Corporation | Colorado Springs, CO 80906 | Oil & Gas Operator | Aug 1998 |
| 2133 | Jade Petroleum C | | Oil & Gas Operator | Mar 1985 |
| 2134 | Jade Resources I | | Gas Operator | Jan 1989 |
| 2135 | Jade Resources Inc | Englewood, CO 80112 | Oil Operator | Jul 1998 |
| 2136 | Jaed Production Co., | Arkansas City, KS 67005 | Oil & Gas Operator | Mar 2024 |
| 2137 | Jag Petroleum LLC | Houston, TX 77058 | Oil Operator | Nov 2009 |
| 2138 | Jaguar Petroleum | | Oil Operator | Jul 1994 |
| 2139 | Jake'S Oil Co. | | Oil Operator | Oct 2019 |
| 2140 | Jako Productions | | Oil Operator | Jul 2014 |
| 2141 | James B. Read Operating, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Nov 2024 |
| 2142 | James P. Williams Enterprises, Inc. | Palco, KS 67657 | Oil Operator | Nov 2024 |
| 2143 | James Production, Inc. | Yates Center, KS 66783 | Oil Operator | Nov 2024 |
| 2144 | James W. Collins Oil Operations | | Oil Operator | Dec 2009 |
| 2145 | Jandie Oil Compa | | Oil Operator | Jul 1990 |
| 2146 | Jantz & Associat | | Oil & Gas Operator | Feb 1991 |
| 2147 | Jas Oil Company | Winfield, KS 67156 | Oil & Gas Operator | Dec 1995 |
| 2148 | Jason Oil Compan | | Oil Operator | Sep 1992 |
| 2149 | Jason Oil Company | | Oil Operator | Dec 2014 |
| 2150 | Jason Oil Company, LLC | Russell, KS 67665 | Oil Operator | Nov 2024 |
| 2151 | Jaspar Co. | Hays, KS 67601 | Oil Operator | Nov 2024 |
| 2152 | Jaxco Energy, A General Partnership | Garnett, KS 66032 | Oil Operator | Oct 2024 |
| 2153 | Jay Boy Oil Inco | | Oil & Gas Operator | May 1992 |
| 2154 | Jay C. Boyer Oil | | Oil Operator | Nov 2009 |
| 2155 | Jay M. Schendel, A General Partnership | Wellsville, KS 66092 | Oil Operator | Dec 2019 |
| 2156 | Jayhawk Energy Inc. | Spokane, WA 99202 | Oil & Gas Operator | May 2016 |
| 2157 | Jayhawk Exploration LLC | Frederickburg, TX 78624 | Oil Operator | Jul 2009 |
| 2158 | Jayson David Company | Seward, KS 67576 | Oil Operator | Apr 2009 |
| 2159 | JBG Oil & Gas Company LLC | Ashland, KS 67831 | Oil & Gas Operator | Nov 2024 |
| 2160 | JBM Oil, LLC | Ottawa, KS 66067 | Oil Operator | Dec 2019 |
| 2161 | JCS Operating LLC | Guymon, OK 73942 | Oil & Gas Operator | Dec 2024 |
| 2162 | JD Production Co | Waco, TX 76702 | Oil & Gas Operator | Dec 2009 |
| 2163 | Jedona Energy, LLC | | Oil Operator | Apr 2004 |
| 2164 | Jeff'S Oilwell Supervision | | Oil Operator | Oct 2024 |
| 2165 | Jeffery Energy Corporation | Meade, KS 67864 | Gas Operator | Dec 2019 |
| 2166 | Jeffries, Peter | Leawood, KS 66224 | Oil Operator | Aug 2021 |
| 2167 | Jel Resources, LLC | Castle Rock, CO 80109 | Oil & Gas Operator | Nov 2024 |
| 2168 | Jenkins & Broyle | | Oil & Gas Operator | Sep 1991 |
| 2169 | Jenkins & Broyles Production Company | | Oil Operator | Dec 2006 |
| 2170 | Jenkins & Sons Production, Inc. | Arkansas City, KS 67005 | Oil Operator | Jul 2014 |
| 2171 | Jenkins, Don(Deceased)Estate | Arkansas City, KS 67005 | Oil & Gas Operator | Dec 2009 |
| 2172 | Jenkins, Donnie G. Jr. | Arkansas City, KS 67005 | Oil Operator | Dec 2019 |
| 2173 | Jennings Drillin | | Oil & Gas Operator | Jul 1988 |
| 2174 | Jernigan Steve I | | Oil Operator | Mar 1993 |
| 2175 | Jerry Patterson Oil | | Oil Operator | May 2004 |
| 2176 | Jet Drilling Cor | | Oil Operator | Oct 1995 |
| 2177 | Jet Drilling Corp. | Scottsdale, AZ 85252 | Oil & Gas Operator | Dec 1996 |
| 2178 | Jetgo Oil Compan | | Oil & Gas Operator | Jan 1995 |
| 2179 | Jew-Del Oil & Ga | | Gas Operator | Dec 1994 |
| 2180 | Jezek, Ernest D. | Holyrood, KS 67450 | Oil Operator | Dec 2019 |
| 2181 | JFW Incorporated | Plevna, KS 67568 | Oil & Gas Operator | Oct 2006 |
| 2182 | JGK Oil, Inc. | Chanute, KS 66720 | Oil Operator | Aug 1998 |
| 2183 | JHL Energy, Inc. | Wichita, KS 67209 | Oil & Gas Operator | Apr 2016 |
| 2184 | JHS Energy, Inc | Denver, CO 80222 | Oil & Gas Operator | Nov 2024 |
| 2185 | Jim Snyder, Inc. | Hamilton, KS 66853 | Oil Operator | Nov 2024 |
| 2186 | Jim'S Operating Service | Dewey, OK 74029 | Oil Operator | Dec 1996 |
| 2187 | Jimenez Well Service, LLC | Kingman, KS 67068 | Oil Operator | Jan 2016 |
| 2188 | JJ Leasing | Bartlesville, OK 74006 | Oil Operator | Feb 1989 |
| 2189 | JJP Energy, LLC | Fredonia, KS 66736 | Oil Operator | Dec 2009 |
| 2190 | Jma Energy Company, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2025 |
| 2191 | Jma Resources In | | Oil & Gas Operator | Sep 1995 |
| 2192 | Jma Resources, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Jan 2025 |
| 2193 | JMDR Holdings LLC | Destin, FL 32541 | Oil Operator | Jul 2024 |
| 2194 | JML Company | | Oil Operator | May 2006 |
| 2195 | Jo-Allyn Oil Co Inc | Laverne, OK 73848 | Oil & Gas Operator | Dec 2024 |
| 2196 | Jo-Mar Industries | Winfield, KS 67156 | Oil Operator | Mar 1997 |
| 2197 | Jody Oil & Gas Corporation | Attica, KS 67009 | Oil & Gas Operator | Nov 2024 |
| 2198 | Joe Gerstner Oil, LLC | Ness City, KS 67560 | Oil Operator | Nov 2024 |
| 2199 | Joel Associates Inc. | Wichita, KS 67203 | Gas Operator | Mar 2013 |
| 2200 | John C Ginther Oil, LLC | Hays, KS 67601 | Oil Operator | Oct 2024 |