| 101 | Feldco, Inc. | | Oil & Gas Operator | Apr 2007 |
| 102 | Flora B Shinnick | | Oil Operator | Jan 2025 |
| 103 | Forza Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2026 |
| 104 | Four Rivers Exploration, Inc. | | Oil & Gas Operator | Sep 2002 |
| 105 | Four Star Development Corp. | | Oil & Gas Operator | Feb 2013 |
| 106 | Frank Spooner | | Oil & Gas Operator | Mar 1984 |
| 107 | Frontier, Inc. | | Oil Operator | Oct 1998 |
| 108 | G.G. Cornwell | | Oil Operator | Apr 1987 |
| 109 | Gas Resources, Inc. | Southern Pine, NC 28387 | Oil & Gas Operator | Mar 2004 |
| 110 | George Barron | | Oil & Gas Operator | Jan 1998 |
| 111 | George Belchic, Jr. | | Oil Operator | Aug 2008 |
| 112 | George Cunyus, Trustee | | Oil Operator | Feb 1987 |
| 113 | Glen D. Loe | | Oil & Gas Operator | May 1993 |
| 114 | Glen D. Loe Etal | | Oil Operator | Jul 1989 |
| 115 | Goldsberry Operating Co., Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Aug 2020 |
| 116 | Griffin & Griffin Expl, LLC | | Oil & Gas Operator | Dec 2025 |
| 117 | Grit Operating, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2023 |
| 118 | Gulf South Pipeline Company, LLC | | Oil & Gas Operator | Jan 2025 |
| 119 | Gulf South Pipeline Company, LP | Houston, TX 77001 | Oil & Gas Operator | Dec 2020 |
| 120 | H & H Compressors, Inc. | | Oil & Gas Operator | Oct 1997 |
| 121 | H. K. Beebe | | Oil Operator | Jan 1990 |
| 122 | H.L.Hawkins &H.L.Hawkins, Jr. | | Oil & Gas Operator | Feb 1989 |
| 123 | Hanson Natural Resources Co. | | Oil & Gas Operator | Nov 1991 |
| 124 | Harter Oil Company | | Oil & Gas Operator | Apr 2011 |
| 125 | Hassie Hunt Expl. Co. | | Oil & Gas Operator | Aug 2008 |
| 126 | Hawkeye Drilling Co. | Waskom, TX 75692 | Oil & Gas Operator | Feb 2023 |
| 127 | Hibbard-Frost-Smith | | Oil & Gas Operator | Apr 1990 |
| 128 | Hogan Drilling Company, Inc. | | Oil & Gas Operator | Mar 1981 |
| 129 | Hogan Exploration, Inc. | | Oil & Gas Operator | Mar 2000 |
| 130 | Holland Production Co | | Oil Operator | Aug 1982 |
| 131 | Hunt Investment Corporation | | Oil & Gas Operator | Jun 1989 |
| 132 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Feb 2026 |
| 133 | Hunt Petroleum Corp. | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
| 134 | Hurley Oil And Gas Company | | Oil & Gas Operator | Jan 1997 |
| 135 | Hurley Petroleum Corporation | Baton Rouge, LA 70821 | Oil & Gas Operator | Feb 2000 |
| 136 | J Gould Gardner-West Bullock | | Oil Operator | May 1990 |
| 137 | J J Oil & Gas | Abilene, TX 79608 | Oil & Gas Operator | Mar 2008 |
| 138 | J.T. Oil Company | Monahans, TX 79756 | Oil & Gas Operator | Sep 2018 |
| 139 | Jack Taunton Energy | | Oil Operator | May 2002 |
| 140 | Jackie D Nelson | | Oil & Gas Operator | Sep 1983 |
| 141 | Jadath | | Oil Operator | May 2001 |
| 142 | Jade Petroleum Inc. | | Oil & Gas Operator | May 1998 |
| 143 | Jag Operating, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2019 |
| 144 | James Drilling Co., Inc. | | Oil & Gas Operator | Dec 2024 |
| 145 | Jen-Oil, Inc. | | Oil Operator | Aug 1999 |
| 146 | Jenkins Oil & Gas, Inc. | | Oil & Gas Operator | Aug 1992 |
| 147 | Jim Austin | | Oil & Gas Operator | Jul 1981 |
| 148 | Jim Austin Et Al | | Gas Operator | Jul 1981 |
| 149 | Joe Pugh | | Oil Operator | Aug 2001 |
| 150 | JSB, LLC | | Oil & Gas Operator | Dec 2024 |
| 151 | Justiss Oil Co Inc-Munoco Co | | Oil & Gas Operator | Dec 2008 |
| 152 | Justiss Oil Company, Inc. | Jena, LA 71342 | Oil & Gas Operator | Nov 2025 |
| 153 | Justiss-Mears Oil Co. | | Oil & Gas Operator | Feb 1981 |
| 154 | Justiss-Mears Oil Co., Et Al | | Oil & Gas Operator | Feb 1981 |
| 155 | JWR Oil And Gas | | Oil Operator | Nov 2024 |
| 156 | K Wilson Enterprises Inc. | | Oil Operator | Jan 2025 |
| 157 | Kepco Operating, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2025 |
| 158 | Kerr-McGee Corporation | Dallas, TX 75380 | Oil & Gas Operator | Sep 2025 |
| 159 | Kerr-McGee Oil & Gas Corp. | Houston, TX 77251 | Oil & Gas Operator | Sep 2006 |
| 160 | Key Production Company, Inc. | Longview, TX 75606 | Oil & Gas Operator | Nov 2025 |
| 161 | Kinder Morgan Treating LP | | Oil Operator | Jun 2019 |
| 162 | King Drilling Co | Seville, OH 44273 | Oil & Gas Operator | Jan 2025 |
| 163 | Koch Gateway Pipeline Company | | Oil & Gas Operator | Feb 2001 |
| 164 | L. W. Snuffy McCartney | | Oil Operator | Jul 2015 |
| 165 | L.C. Coon Production Co. | | Oil Operator | Apr 1995 |
| 166 | Lahoma Operating, Inc. | | Oil & Gas Operator | Nov 2025 |
| 167 | Lamar Oil & Gas, Inc. | Corpus Chrsti, TX 78413 | Oil & Gas Operator | Feb 2026 |
| 168 | Lawson Engineering, Inc. | | Oil & Gas Operator | Dec 1984 |
| 169 | Leroy W. & Charlie G. James | | Gas Operator | Oct 1979 |
| 170 | Leroy W. James | | Oil & Gas Operator | Oct 1991 |
| 171 | Loe Pipe Yard, Inc. | | Oil & Gas Operator | Jan 1997 |
| 172 | Louisiana Fuel Oil Corporation | | Oil Operator | Aug 1997 |
| 173 | Louisiana Leasing & Expl, Inc. | | Oil & Gas Operator | Apr 2011 |
| 174 | Louisiana-Hunt Petroleum Corp. | | Oil & Gas Operator | Dec 1985 |
| 175 | Lucky Lad Energy, LLC | Magnolia, TX 77353 | Oil & Gas Operator | Feb 2026 |
| 176 | M. W. Maxwell | | Oil & Gas Operator | Apr 1990 |
| 177 | Maddox Oil & Gas | | Gas Operator | Jun 1982 |
| 178 | Mallard Drilling Corp. | | Oil & Gas Operator | Jan 1993 |
| 179 | Marine Properties, Inc. | | Oil & Gas Operator | Feb 1995 |
| 180 | Mark F Preddy & Associates,Inc | | Oil & Gas Operator | Dec 1987 |
| 181 | Markham Enterprises Inc | | Oil & Gas Operator | May 1981 |
| 182 | Marlin Exploration, Inc. | | Oil & Gas Operator | Oct 2006 |
| 183 | Marlin Resources, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Jan 2025 |
| 184 | Maverick Oil Corp. | | Oil Operator | May 1997 |
| 185 | MBM Partnership | | Gas Operator | Nov 1991 |
| 186 | McBrayer Oil Corporation | Rockport, TX 78381 | Oil & Gas Operator | Nov 1994 |
| 187 | McGoldrick & Watson DRLG., Co. | | Oil & Gas Operator | Jul 1987 |
| 188 | McGoldrick & Watson-Walker | | Oil Operator | Jul 1987 |
| 189 | McGoldrick Oil Company | Shreveport, LA 71129 | Oil & Gas Operator | Jul 2020 |
| 190 | McGowan Working Partners | Jackson, MS 39296 | Oil & Gas Operator | Dec 2000 |
| 191 | McGowan Working Partners, Inc. | Jackson, MS 39296 | Oil & Gas Operator | Feb 2026 |
| 192 | MCZ Oil Co, Inc. | | Oil Operator | Feb 1994 |
| 193 | Meason Operating Company | Natchez, MS 39121 | Oil & Gas Operator | Dec 2011 |
| 194 | Michigan-Wisconsin Pipe Line Co | | Oil & Gas Operator | Dec 1983 |
| 195 | Miles Oil & Gas Co. | | Oil & Gas Operator | Feb 1988 |
| 196 | Milton Galoob | | Oil Operator | Dec 1988 |
| 197 | Miss-Lou Oil Producers Inc | | Oil & Gas Operator | Dec 1998 |
| 198 | Mobley & Davis | | Oil & Gas Operator | Oct 1986 |
| 199 | Mobley & McCain | | Oil & Gas Operator | Nov 1979 |
| 200 | Monarch Petroleum Corporation | FT Worth, TX 76102 | Oil & Gas Operator | Dec 2019 |