| 101 | Hunt Oil Co., Et Al | | Oil & Gas Operator | Nov 1992 |
| 102 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Dec 2024 |
| 103 | Hurley Oil And Gas Company | | Oil & Gas Operator | Jan 1997 |
| 104 | Hyatt Exploration, Inc. | | Oil Operator | Jul 1995 |
| 105 | J-O'B Operating Company | Shreveport, LA 71135 | Oil & Gas Operator | Dec 2024 |
| 106 | JB & K, L.L.C. | | Oil Operator | Jul 2024 |
| 107 | JMR Oil, Inc. | | Oil & Gas Operator | Aug 2006 |
| 108 | John O. Clay Exploration, Inc. | | Oil & Gas Operator | May 2005 |
| 109 | John W. McGowan | | Oil & Gas Operator | Jun 1991 |
| 110 | JSB, LLC | | Oil & Gas Operator | Jun 2024 |
| 111 | Justiss Oil Co., Inc.-Munoco Co. | | Oil & Gas Operator | Dec 2008 |
| 112 | Justiss Oil Company, Inc. | Jena, LA 71342 | Oil & Gas Operator | Jul 2024 |
| 113 | Justiss-Mears Oil Co. | | Oil & Gas Operator | Feb 1981 |
| 114 | JWR Oil And Gas | | Oil Operator | May 2024 |
| 115 | Kelly H. Baxter | Austin, TX 78767 | Oil & Gas Operator | Nov 2006 |
| 116 | KFG Petroleum Corporation | | Oil & Gas Operator | Oct 2024 |
| 117 | Kinsey Interests | | Oil & Gas Operator | May 1991 |
| 118 | Kinsey Interests And Marlin | | Oil Operator | Mar 1983 |
| 119 | Kinsey Interests Et Al | | Oil Operator | Apr 1988 |
| 120 | L & N Co. | | Oil Operator | Jul 1991 |
| 121 | Lagniappe Operating, LLC | | Oil Operator | Jun 2024 |
| 122 | Lahoma Operating, Inc. | | Oil & Gas Operator | Sep 2024 |
| 123 | Lawson Engineering, Inc. | | Oil & Gas Operator | Dec 1984 |
| 124 | Liberty Resources, Inc. | | Oil & Gas Operator | Jun 2024 |
| 125 | Llanada Operating, LLC | | Oil Operator | Jun 2024 |
| 126 | Louisiana Leasing & Expl, Inc. | | Oil & Gas Operator | Apr 2011 |
| 127 | LPB Oil Company | | Oil & Gas Operator | Apr 1991 |
| 128 | Lse Energy Co. | | Oil Operator | Mar 1989 |
| 129 | Lse Energy Operating Co. Inc. | | Oil Operator | Jun 1996 |
| 130 | M & S Production, Inc. | | Oil Operator | Jul 1994 |
| 131 | Magnum Producing & Operating Co. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Jan 2004 |
| 132 | Mallard Drilling Corp. | | Oil & Gas Operator | Jan 1993 |
| 133 | Maple Gulf Coast Props. Corp. | | Oil & Gas Operator | Jun 1989 |
| 134 | Mark F Preddy & Associates,Inc | | Oil & Gas Operator | Dec 1987 |
| 135 | Mark L Shidler Inc | Houston, TX 77055 | Oil & Gas Operator | Sep 2024 |
| 136 | Mark V Petroleum Company | | Oil & Gas Operator | Feb 2020 |
| 137 | Marlin Exploration, Inc. | | Oil & Gas Operator | Oct 2006 |
| 138 | Marlin Exploration, LLC | | Oil & Gas Operator | Sep 2024 |
| 139 | Marlin Resources, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Jul 2024 |
| 140 | Martineau Petroleum, Inc. | Dallas, TX 75206 | Oil & Gas Operator | May 2024 |
| 141 | Mass Resources, Inc. | | Oil Operator | Jun 2024 |
| 142 | McGoldrick & Watson | | Oil & Gas Operator | Jul 1987 |
| 143 | McGoldrick & Watson - Alagood | | Oil Operator | Oct 1995 |
| 144 | McGoldrick & Watson DRLG., Co. | | Oil & Gas Operator | Jul 1987 |
| 145 | McGoldrick Oil Company | Shreveport, LA 71129 | Oil & Gas Operator | Jul 2020 |
| 146 | McGowan Working Partners | Jackson, MS 39296 | Oil & Gas Operator | Dec 2000 |
| 147 | McGowan Working Partners, Inc. | Jackson, MS 39296 | Oil & Gas Operator | Dec 2024 |
| 148 | Meason Operating Company | Natchez, MS 39121 | Oil & Gas Operator | Dec 2011 |
| 149 | Meng Oper. & Expl. Co. | | Oil & Gas Operator | Dec 1989 |
| 150 | Menoah Petroleum Inc | | Oil & Gas Operator | Jun 2024 |
| 151 | Merit Energy Company | Dallas, TX 75240 | Oil & Gas Operator | Dec 2024 |
| 152 | Mid-National Resources Inc. | | Oil Operator | Feb 1999 |
| 153 | Miles Oil & Gas Co. | | Oil & Gas Operator | Feb 1988 |
| 154 | Miller Exploration Company | Tulsa, OK 74136-1020 | Oil & Gas Operator | Mar 2015 |
| 155 | Miocene Oil & Gas, LTD. | Englewood, CO 80110 | Oil & Gas Operator | Dec 2024 |
| 156 | Miss Lou Oil Producers, Inc. | | Oil & Gas Operator | Nov 1998 |
| 157 | Mobley & McCain, Et Al | | Oil & Gas Operator | Jul 1986 |
| 158 | Monroe Well Service | | Oil & Gas Operator | Apr 1998 |
| 159 | Monroe Well Service-Ajk | | Oil Operator | Dec 1988 |
| 160 | Monroe Well Service-Ocean | | Oil Operator | Feb 1989 |
| 161 | Monroe Well Service-TBR | | Oil Operator | Aug 1991 |
| 162 | Monsanto Oil Company | | Oil & Gas Operator | Apr 1986 |
| 163 | Munoco Co. | El Dorado, AR 71730 | Oil & Gas Operator | Jul 2021 |
| 164 | New & Brasher Operating | | Oil Operator | Oct 1984 |
| 165 | New & Hughes Drilling Co. Inc. | | Oil Operator | Jun 1983 |
| 166 | Newco, Inc. | Oklahoma City, OK 73177 | Oil Operator | Aug 1999 |
| 167 | Numen Corporation | | Oil & Gas Operator | Jan 1982 |
| 168 | Oilwell Acquisition Co. | | Oil & Gas Operator | Jun 1999 |
| 169 | Owl Creek Production Co., Inc. | Houston, TX 77027 | Oil & Gas Operator | Apr 2006 |
| 170 | Par Minerals Corporation | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2024 |
| 171 | Par Oil Corporation | | Oil & Gas Operator | Sep 1990 |
| 172 | Paul Guido | | Oil Operator | Oct 1998 |
| 173 | Paul J. Ross | | Oil Operator | Dec 1986 |
| 174 | Pennzenergy Explor & Prod LLC | | Oil & Gas Operator | Dec 1999 |
| 175 | Pennzoil Exploration & Production Co. | Carthage, TX 75633 | Oil & Gas Operator | Mar 2008 |
| 176 | Pennzoil Petroleum Company | Houston, TX 77252 | Oil & Gas Operator | Nov 1999 |
| 177 | Phoenix - Comco, Inc. | | Oil Operator | Aug 2004 |
| 178 | Phoenix Energy, Inc. | Oilmont, MT 59466 | Oil & Gas Operator | Sep 2024 |
| 179 | Phoenix Operating Company, Inc. | Shreveport, LA 71161 | Oil & Gas Operator | Mar 2015 |
| 180 | Pilot Resources, Inc. | | Oil & Gas Operator | May 2013 |
| 181 | Pita Oil & Gas, LLC | | Oil Operator | Jul 2004 |
| 182 | Pmo | Garland, TX 75040 | Oil & Gas Operator | Feb 2018 |
| 183 | Pritchard Engineering | | Oil & Gas Operator | Mar 1989 |
| 184 | Quest Energies | | Oil & Gas Operator | Mar 1997 |
| 185 | R & C Petroleum, Inc. | Flint, TX 75762 | Oil & Gas Operator | Dec 2024 |
| 186 | R C Operating LLC | El Dorado, AR 71730 | Oil Operator | Jan 2024 |
| 187 | R. A. Campbell Company | | Oil & Gas Operator | Nov 1995 |
| 188 | R.A. Campbell & Dale Expl | | Oil Operator | Nov 1995 |
| 189 | Rabb Contracting Company, L.L.C. | | Oil Operator | Jun 2024 |
| 190 | Radzewicz & Assoc-R.C.Bertolet | | Oil Operator | Oct 1985 |
| 191 | Ramrod Prod. Co., Inc. | | Oil Operator | Feb 2024 |
| 192 | Ray Estis | | Oil Operator | Jun 2024 |
| 193 | Rbi, Inc. | | Oil Operator | Dec 1984 |
| 194 | Realco Oil & Gas, Inc. | | Oil & Gas Operator | Sep 2007 |
| 195 | Reliance Trusts | Dallas, TX 75244 | Oil & Gas Operator | Nov 1995 |
| 196 | Ricks & Ricks Oil Producers | | Oil Operator | Sep 1983 |
| 197 | Risher Company, Inc. | | Oil & Gas Operator | Jul 2001 |
| 198 | Ross Prod. - Zwahlen & Raish | | Oil & Gas Operator | Sep 1998 |
| 199 | Ross Production Co. | Shreveport, LA 71101 | Oil & Gas Operator | Mar 2000 |
| 200 | S S M Partnership | | Oil & Gas Operator | Jul 1992 |