| 101 | James A. Whitson, Jr. | | Oil & Gas Operator | Apr 2016 |
| 102 | James C. Galbraith | | Oil & Gas Operator | Dec 1996 |
| 103 | James C. Storm | | Gas Operator | Oct 1991 |
| 104 | James Drilling Co., Inc. | | Oil & Gas Operator | Dec 2024 |
| 105 | James Exploration, Inc. | | Gas Operator | Feb 1999 |
| 106 | James L Barber | | Oil Operator | Aug 1996 |
| 107 | James L. Boyter | | Oil Operator | Mar 1999 |
| 108 | James M. Cunningham, Inc. | | Oil & Gas Operator | Feb 2004 |
| 109 | James M. Forgotson | | Oil & Gas Operator | Jan 1984 |
| 110 | James Marshall Jones | | Oil Operator | Sep 1997 |
| 111 | James P. Hardey | | Oil Operator | Jul 2003 |
| 112 | James R. McFarland | | Oil & Gas Operator | Jul 1997 |
| 113 | James W. Briggs | | Oil Operator | Aug 1999 |
| 114 | Jamex, Inc. | Lewisville, TX 75067 | Oil & Gas Operator | Jun 2026 |
| 115 | Jan-Mar Oil Company Inc. | | Oil & Gas Operator | Jan 2025 |
| 116 | Jandar Exploration, L. C. | Tyler, TX 75703 | Oil & Gas Operator | Jun 2026 |
| 117 | Janex Oil Co., Inc. | Dallas, TX 75219 | Oil & Gas Operator | Jun 2005 |
| 118 | Japex (U.S.) Corp. | | Oil & Gas Operator | May 1998 |
| 119 | Jay Development Corporation | Dallas, TX 75420 | Oil & Gas Operator | Jun 1992 |
| 120 | JB & K, L.L.C. | | Oil Operator | Jan 2025 |
| 121 | JCB II Enterprises LLC | Perryton, TX 79070 | Oil & Gas Operator | Jun 2023 |
| 122 | JD Oil Company | Longview, TX 75605 | Oil & Gas Operator | Sep 2014 |
| 123 | Jeems Bayou Production Corp. | Oil City, LA 71061 | Oil & Gas Operator | Jun 2026 |
| 124 | Jeff M. Hicks | | Oil & Gas Operator | May 1992 |
| 125 | Jeffery Lynch Production | | Oil Operator | Jan 2025 |
| 126 | Jem Petroleum Corporation | | Oil & Gas Operator | Jun 1983 |
| 127 | Jen Oil & Gas | | Oil & Gas Operator | Feb 2006 |
| 128 | Jen-Oil, Inc. | | Oil Operator | Aug 1999 |
| 129 | Jenkins Oil & Gas, Inc. | | Oil & Gas Operator | Aug 1992 |
| 130 | Jennings Holdings, LLC | | Oil & Gas Operator | Dec 2024 |
| 131 | Jennings Oil Of VIvian LLC | | Oil Operator | Jan 2025 |
| 132 | Jerry Malmay | | Oil Operator | Aug 2011 |
| 133 | Jerry P. Ogden | | Oil & Gas Operator | Dec 2008 |
| 134 | Jerry R. Craig | | Oil & Gas Operator | Dec 2012 |
| 135 | Jesse Franklin Rosett | | Oil & Gas Operator | Jan 1981 |
| 136 | Jetta Operating Company, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2026 |
| 137 | JGC Energy Development (USA) Inc. | | Oil & Gas Operator | Aug 2014 |
| 138 | Jim Austin | | Oil & Gas Operator | Jul 1981 |
| 139 | Jim Austin Et Al | | Gas Operator | Jul 1981 |
| 140 | Jim Joel Elliott | | Oil Operator | Nov 1999 |
| 141 | Jim V. Haddox | | Gas Operator | Dec 2010 |
| 142 | Jim-Co Drilling Et Al | | Oil & Gas Operator | Mar 1991 |
| 143 | Jimco Oil Company, Inc. | Electra, TX 76360 | Oil & Gas Operator | Jun 2019 |
| 144 | Jimmy D Berry | | Gas Operator | Mar 1983 |
| 145 | Jimmy P Dempsey | | Oil & Gas Operator | Jan 2025 |
| 146 | Jimmy Roberson Energy Corp. | Texarkana, TX 75503 | Oil & Gas Operator | Sep 2012 |
| 147 | JLM Sartor Inc | | Oil & Gas Operator | Jul 2016 |
| 148 | JLS Investments | | Oil & Gas Operator | Mar 2002 |
| 149 | JMR Oil, Inc. | | Oil & Gas Operator | Sep 2006 |
| 150 | JN Expl & Prod LTD Partnership | Billings, MT 59103-0159 | Oil & Gas Operator | Feb 2001 |
| 151 | Jo Dunn | | Oil Operator | May 2003 |
| 152 | Joe G. Strahan | | Gas Operator | Oct 1983 |
| 153 | Joe Lamar Oil, LLC | | Oil Operator | Jan 2025 |
| 154 | Joe M. Burnham | | Oil Operator | May 1993 |
| 155 | Joe Pugh | | Oil Operator | Aug 2001 |
| 156 | Joe W. Burrage | | Oil Operator | Jun 1986 |
| 157 | Joe W. Elsbury | | Oil & Gas Operator | Oct 1988 |
| 158 | Joel B. Brown | | Oil & Gas Operator | Jan 1998 |
| 159 | John B. Echols & Associates | | Oil Operator | Jun 1983 |
| 160 | John C. Bowers | | Oil & Gas Operator | Dec 1987 |
| 161 | John D Caruthers Jr Et Al | | Oil & Gas Operator | Aug 1981 |
| 162 | John D. Caruthers, Jr. | | Oil & Gas Operator | Apr 1983 |
| 163 | John D. Caruthers,Jr.-Copeland | | Oil & Gas Operator | Aug 1981 |
| 164 | John Gillespie | | Oil Operator | Jun 1981 |
| 165 | John H. McCarter, Jr. | | Gas Operator | Nov 1990 |
| 166 | John J. Welsh | | Oil & Gas Operator | Dec 2024 |
| 167 | John L. Copeland | | Oil & Gas Operator | Jun 1982 |
| 168 | John O. Clay Exploration, Inc. | | Oil & Gas Operator | Apr 2005 |
| 169 | John P. Castleman, Jr. | | Oil & Gas Operator | Nov 2020 |
| 170 | John R Thompson Operating, Inc | | Oil & Gas Operator | Apr 1985 |
| 171 | John T. Martin, Jr. | | Oil Operator | Jun 1992 |
| 172 | John T. Palmer | | Oil & Gas Operator | Jun 1982 |
| 173 | John T. Weaver & Son | | Oil Operator | Jan 2025 |
| 174 | John W. McDowell | | Oil & Gas Operator | Aug 1991 |
| 175 | John W. McGowan | | Oil & Gas Operator | Jun 1991 |
| 176 | John W. Mecom | | Oil & Gas Operator | Mar 1991 |
| 177 | John W. Thomas | | Oil & Gas Operator | Jun 1993 |
| 178 | John W. Thomas, Jr. | | Oil Operator | Jun 1993 |
| 179 | Johnson & Johnson Operating, Inc. | | Oil & Gas Operator | Jan 2025 |
| 180 | Johnson Oil & Gas Corporation | | Oil & Gas Operator | Feb 1994 |
| 181 | Johnson'S Well Service | | Oil Operator | Jan 2004 |
| 182 | Jolen Operating Co Of La. | | Oil & Gas Operator | Dec 1993 |
| 183 | Jolen Operating Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2026 |
| 184 | Jones Company | | Oil & Gas Operator | Dec 1990 |
| 185 | Jones Company, LTD. | Albany, TX 76430 | Oil & Gas Operator | May 1999 |
| 186 | Jones Exploration Company | | Oil & Gas Operator | Jun 1985 |
| 187 | Jones Oil Company | Ardmore, OK 73402-1389 | Oil & Gas Operator | Aug 2022 |
| 188 | Jones Operating Company | Levelland, TX 79336 | Oil & Gas Operator | Oct 2000 |
| 189 | Jones-O'Brien, Inc. | | Oil & Gas Operator | Feb 1982 |
| 190 | Jordan Oil & Gas Company | Healdsburg, CA 95448-1919 | Oil & Gas Operator | Mar 1995 |
| 191 | Jordan Oil Company, Inc. | Lake Charles, LA 70602 | Oil & Gas Operator | Dec 2019 |
| 192 | Joseph C. Leckelt | | Oil Operator | Aug 1995 |
| 193 | Joseph F. Fritz Operating Co. | | Oil & Gas Operator | Mar 1983 |
| 194 | Josey Exploration, Inc. | | Oil & Gas Operator | Dec 1988 |
| 195 | JPM Petroleum, Inc. | | Oil Operator | May 1986 |
| 196 | JSB, LLC | | Oil & Gas Operator | Dec 2024 |
| 197 | Julil Energy, LLC | Richmond, TX 77406 | Oil & Gas Operator | Dec 2024 |
| 198 | June Energy Inc. | | Oil & Gas Operator | May 2000 |
| 199 | Jurassic Exploration Co Inc. | | Oil & Gas Operator | Nov 1994 |
| 200 | Justiss Oil Co Inc-Munoco Co | | Oil & Gas Operator | Dec 2008 |