| 101 | Jew-Del Oil & Ga | | Gas Operator | Dec 1994 |
| 102 | Jezek, Ernest D. | Holyrood, KS 67450 | Oil Operator | Dec 2019 |
| 103 | JFW Incorporated | Plevna, KS 67568 | Oil & Gas Operator | Oct 2006 |
| 104 | JGK Oil, Inc. | Chanute, KS 66720 | Oil Operator | Aug 1998 |
| 105 | JHL Energy, Inc. | Wichita, KS 67209 | Oil & Gas Operator | Apr 2016 |
| 106 | JHS Energy, Inc | Denver, CO 80222 | Oil & Gas Operator | Mar 2025 |
| 107 | Jim Snyder, Inc. | Hamilton, KS 66853 | Oil Operator | Mar 2025 |
| 108 | Jim'S Operating Service | Dewey, OK 74029 | Oil Operator | Dec 1996 |
| 109 | Jimenez Well Service, LLC | Kingman, KS 67068 | Oil Operator | Jan 2016 |
| 110 | JJ Leasing | Bartlesville, OK 74006 | Oil Operator | Feb 1989 |
| 111 | JJP Energy, LLC | Fredonia, KS 66736 | Oil Operator | Dec 2009 |
| 112 | Jma Energy Company, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | May 2025 |
| 113 | Jma Resources In | | Oil & Gas Operator | Sep 1995 |
| 114 | Jma Resources, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Apr 2025 |
| 115 | JMDR Holdings LLC | Destin, FL 32541 | Oil Operator | Jul 2024 |
| 116 | JML Company | | Oil Operator | May 2006 |
| 117 | Jo-Allyn Oil Co Inc | Laverne, OK 73848 | Oil & Gas Operator | May 2025 |
| 118 | Jo-Mar Industries | Winfield, KS 67156 | Oil Operator | Mar 1997 |
| 119 | Jody Oil & Gas Corporation | Attica, KS 67009 | Oil & Gas Operator | Mar 2025 |
| 120 | Joe Gerstner Oil, LLC | Ness City, KS 67560 | Oil Operator | Mar 2025 |
| 121 | Joel Associates Inc. | Wichita, KS 67203 | Gas Operator | Mar 2013 |
| 122 | John C Ginther Oil, LLC | Hays, KS 67601 | Oil Operator | Jan 2025 |
| 123 | John H. Booth, Inc. | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2025 |
| 124 | John Henry Oil LLC | Eureka, KS 67045 | Oil Operator | Nov 2017 |
| 125 | John M. Denman Oil Co., Inc. | Houston, TX 77251 | Oil Operator | Dec 2009 |
| 126 | John O. Farmer, Inc. | | Oil & Gas Operator | Dec 1996 |
| 127 | John Roy Evans Oil Company LLC | Claflin, KS 67525 | Oil Operator | Mar 2025 |
| 128 | Johnson Brothers | Morse, TX 79062 | Oil & Gas Operator | Jul 2025 |
| 129 | Johnson Donald L | | Oil Operator | Dec 2009 |
| 130 | Johnson Dozer Service | Thayer, KS 66776 | Oil Operator | Dec 2009 |
| 131 | Johnson E Wallac | | Oil Operator | Apr 1993 |
| 132 | Johnson Oil Co., LLC | Buffalo, KS 66717 | Oil Operator | Mar 2025 |
| 133 | Johnson Oil Fiel | | Oil Operator | Sep 1992 |
| 134 | Johnson Oil, A General Partnership | Phillipsburg, KS 67661 | Oil Operator | Mar 2025 |
| 135 | Johnson, A.G. | Shawnee, OK 74801 | Oil Operator | Oct 1999 |
| 136 | Johnson, Charles | Midland, TX 79702 | Oil & Gas Operator | Jul 2025 |
| 137 | Johnson, E. Wallace(Deceased) | Towanda, KS 67144 | Gas Operator | Feb 2016 |
| 138 | Johnson, Norman L. | Rantoul, KS 66079 | Oil Operator | Jan 2002 |
| 139 | Jolen Operating Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2025 |
| 140 | Jonathan Oil | El Dorado, KS 67042 | Oil Operator | Feb 2002 |
| 141 | Jones & Buck Development, LLC | Sedan, KS 67361 | Oil & Gas Operator | Apr 2025 |
| 142 | Jones & Sons Wel | | Oil Operator | Feb 1990 |
| 143 | Jones Frank Oil | | Oil Operator | May 1988 |
| 144 | Jones G R Oil & | | Oil & Gas Operator | Nov 1993 |
| 145 | Jones Gas Corporation | Wichita, KS 67278 | Gas Operator | Dec 2009 |
| 146 | Jones Lee R Jr O | | Oil & Gas Operator | Aug 1995 |
| 147 | Jones Oil Exploration, LLC | Sedan, KS 67361 | Oil & Gas Operator | Mar 2025 |
| 148 | Jones Oil, LLC | St John, KS 67576 | Oil & Gas Operator | Mar 2025 |
| 149 | Jones, Cal | Canton, KS 67428 | Oil & Gas Operator | Mar 2002 |
| 150 | Jones, Stephen C. | Broken Arrow, OK 74011 | Oil & Gas Operator | Jun 2018 |
| 151 | Jones, William A. | Longton, KS 67352 | Oil Operator | Aug 1993 |
| 152 | Jones, William S. | Emporia, KS 66801 | Oil Operator | Oct 1987 |
| 153 | Jordan Oil Management Inc. | Haysville, KS 67060 | Oil & Gas Operator | Mar 2025 |
| 154 | Jost, Selma | Reedley, CA 93654 | Oil Operator | Jul 1996 |
| 155 | Joy & Huston | | Oil Operator | Jul 1986 |
| 156 | Joy Operating Co | | Oil Operator | Jan 1984 |
| 157 | JP Oil | Cleveland, OK 74020-9664 | Oil Operator | Mar 2025 |
| 158 | JPFB Operating, LLC | Edmond, OK 73083 | Oil Operator | Dec 2019 |
| 159 | Jr Oil | Chanute, KS 66720 | Oil & Gas Operator | Oct 2019 |
| 160 | JRC Oil Company | Garnett, KS 66032 | Oil Operator | Mar 2025 |
| 161 | JT Enterprises | Gorham, KS 67640 | Oil Operator | Aug 1990 |
| 162 | JTC Oil, Inc. | Louisburg, KS 66053 | Oil Operator | Mar 2025 |
| 163 | Judson Enterprises, Inc. | Emporia, KS 66801 | Oil Operator | Mar 2025 |
| 164 | Judy Company, Inc. | Kansas City, KS 66111 | Oil & Gas Operator | May 2013 |
| 165 | Jug Enterprises | | Oil Operator | Jan 1988 |
| 166 | Justin Energy Corporation | Wellsville, KS 66092 | Oil Operator | Mar 2025 |