| 101 | Pickens Company, Inc., The | Dallas, TX 75225 | Oil & Gas Operator | Jan 2025 |
| 102 | Pinnacle Operating Company, Inc. | Shreveport, LA 71135 | Oil & Gas Operator | Feb 2026 |
| 103 | Qep | | Gas Operator | Jun 2010 |
| 104 | Quanico Oil & Gas, Inc. | El Dorado, AR 71730 | Oil & Gas Operator | Feb 2026 |
| 105 | Reaves Operator | Stephens, AR 71764 | Oil Operator | Jan 2025 |
| 106 | Red Oak Operating, LLC | Magnolia, AR 71753 | Oil & Gas Operator | Jan 2025 |
| 107 | Reliance Energy, Inc. Dba Reliance Gas Company | | Gas Operator | Jun 2018 |
| 108 | Revere Corporation | Fort Smith, AR 72902-0908 | Oil & Gas Operator | Feb 2015 |
| 109 | Reynolds, Dan Company | Camden, AR 71701 | Oil Operator | Jan 2025 |
| 110 | Reynolds, J David Company | Camden, AR 71701 | Oil & Gas Operator | Jan 2025 |
| 111 | Riverfront Exploration LLC | Fort Smith, AR 72901 | Gas Operator | Nov 2025 |
| 112 | Rogers, John Charles | Hot Springs VIllage, AR 71909 | Oil Operator | Jan 2025 |
| 113 | Rogers, Mike Drilling Co., Inc. | Magnolia, AR 71754 | Oil & Gas Operator | Sep 2002 |
| 114 | Ross Explorations, Inc | Fort Smith, AR 72903 | Gas Operator | Jan 2025 |
| 115 | Sagely Floyd E Properties LTD | Fort Smith, AR 72917-0308 | Gas Operator | Jan 2015 |
| 116 | Schmid Properties, Inc. | Hico, TX 76457 | Oil & Gas Operator | Feb 2026 |
| 117 | Seagull Operating Co., Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jan 2025 |
| 118 | Seeco | | Gas Operator | Mar 2016 |
| 119 | Seeco, Inc. | | Gas Operator | Mar 2015 |
| 120 | Sexton Oil Company | Camden, AR 71701 | Oil Operator | Jan 2025 |
| 121 | Shidler, Mark L., Inc. | Houston, TX 77055 | Oil & Gas Operator | Feb 2026 |
| 122 | Shields Operating Inc | Fort Smith, AR 72901-3834 | Oil & Gas Operator | Oct 2021 |
| 123 | Shuler Drilling Co., Inc. | El Dorado, AR 71730 | Oil & Gas Operator | Jan 2025 |
| 124 | Sklar Exploration Company LLC | Shreveport, LA 71101 | Oil & Gas Operator | Feb 2026 |
| 125 | Smackover Drilling Co. Inc. | Shreveport, LA 71105 | Oil & Gas Operator | Jan 2025 |
| 126 | Smackover Producing Co | | Oil & Gas Operator | Jan 2025 |
| 127 | Smith Oil Co. | Smackover, AR 71762 | Oil Operator | Jan 2025 |
| 128 | Smith, Roger G | Magnolia, AR 71753 | Oil Operator | Jan 2025 |
| 129 | Spindletop Oil & Gas Co. | Dallas, TX 75230 | Oil & Gas Operator | Feb 2026 |
| 130 | Stephens Oil Company, LLC | Stephens, AR 71764 | Oil Operator | Jan 2025 |
| 131 | Stephens Production Company | The Woodlands, TX 77381 | Oil & Gas Operator | Dec 2025 |
| 132 | Story Oil And Gas Inc | Magnolia, AR 71753 | Oil & Gas Operator | Jan 2025 |
| 133 | Strand Energy, L.C. | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 134 | T & K Oil Inc | Stephens, AR 71764 | Oil Operator | Jan 2025 |
| 135 | T2 Operating Corporation | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |
| 136 | The Ohio Oil Company | | Oil Operator | Jan 2025 |
| 137 | TK Drilling Corp. | Tulsa, OK 74133 | Oil & Gas Operator | Nov 2025 |
| 138 | TMR Exploration, Inc. | Bossier City, LA 71171 | Oil & Gas Operator | Feb 2026 |
| 139 | Trimble, Don G Dba Trimble Production Company | Houston, TX 77066 | Oil Operator | Jan 2025 |
| 140 | Trio Production Company, LLC | Stephens, AR 71764 | Oil Operator | Jan 2025 |
| 141 | Turner, Jack L | Smackover, AR 71762 | Oil Operator | Jan 2025 |
| 142 | Unit Petroleum Company | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2026 |
| 143 | Urban Oil & Gas Group, LLC | Plano, TX 75074 | Oil & Gas Operator | Feb 2026 |
| 144 | Van Oil, Inc. | Madison, KS 66860 | Oil & Gas Operator | Jul 2025 |
| 145 | Vaughn Petroleum, Inc. | Dallas, TX 75219 | Oil & Gas Operator | May 2004 |
| 146 | Vision Natural Resources, LP | Midland, TX 79708 | Oil & Gas Operator | Feb 2026 |
| 147 | Waelder Oil & Gas, Inc. | Fort Smith, AR 72903 | Oil & Gas Operator | Nov 2025 |
| 148 | Washburn Lee | Newcastle, WY 82701 | Oil Operator | Jan 2025 |
| 149 | Weiser-Brown Oil Co | Magnolia, AR 71754 | Oil Operator | Jan 2025 |
| 150 | Weiser-Brown Operating Company | Magnolia, AR 71754 | Oil & Gas Operator | Feb 2026 |
| 151 | White Rock Oil & Gas, LLC | Plano, TX 75024 | Oil & Gas Operator | Feb 2026 |
| 152 | White, Chad Operating Company, Inc | | Oil Operator | Nov 2008 |
| 153 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 154 | Whiting Petroleum Corporation | Denver, CO 80290 | Oil & Gas Operator | Jan 2025 |
| 155 | Williamson Pumping Service, Inc | Stamps, AR 71860 | Oil & Gas Operator | Jan 2025 |
| 156 | Williamson, Richard | Camden, AR 71701 | Oil & Gas Operator | Jan 2025 |
| 157 | Wytex Production Corporation | Fort Smith, AR 72903 | Oil & Gas Operator | Nov 2025 |
| 158 | Xog Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 159 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Feb 2026 |
| 160 | Yale Oil Association, Inc. | Oklahoma City, OK 73105 | Oil & Gas Operator | Dec 2025 |
| 161 | Zadeck Energy Group, Inc. | | Oil & Gas Operator | Dec 2011 |