| 1 | MD America Energy, LLC | 28 | 113 | 25 | 1 | Dec 12, 2016 | Jan 27, 2020 |
| 2 | Wheeler Operating Corporation | 25 | 39 | 0 | 23 | Apr 13, 2017 | Mar 26, 2024 |
| 3 | Vess Oil Corporation | 14 | 20 | 14 | 23 | Sep 7, 2018 | Aug 10, 2023 |
| 4 | Burk Royalty Co., Ltd. | 13 | 114 | 0 | 20 | Jan 18, 2017 | Oct 16, 2020 |
| 5 | Wildfire Energy Operating LLC | 11 | 11 | 11 | 248 | Sep 20, 2022 | Mar 6, 2025 |
| 6 | Empire Texas Operating LLC | 11 | 12 | 0 | 63 | Jul 26, 2022 | Aug 3, 2026 |
| 7 | Hawkwood Energy Operating, LLC | 11 | 11 | 11 | 0 | Apr 12, 2017 | Aug 19, 2020 |
| 8 | Etx Energy, LLC | 8 | 9 | 7 | 2 | Mar 14, 2017 | Feb 27, 2018 |
| 9 | Cytex South Texas Operating LLC | 4 | 4 | 4 | 0 | Sep 2, 2026 | Sep 21, 2026 |
| 10 | Woodbine Production Corporation | 3 | 9 | 3 | 86 | Mar 23, 2017 | Aug 24, 2023 |
| 11 | Pardus Oil & Gas Operating, LP | 2 | 2 | 0 | 3 | Sep 30, 2018 | Jun 13, 2022 |
| 12 | Southwest Operating, Inc.-Tyler | 2 | 2 | 0 | 2 | Sep 19, 2024 | Sep 19, 2024 |
| 13 | Lacrosse Exploration LLC | 2 | 2 | 0 | 1 | Aug 21, 2018 | Aug 21, 2018 |
| 14 | EOG Resources, Inc. | 1 | 59 | 1 | 33 | Jan 12, 2017 | Jan 12, 2017 |
| 15 | CML Exploration, LLC | 1 | 28 | 1 | 16 | Oct 28, 2026 | Oct 28, 2026 |
| 16 | Sem Operating Company LLC | 1 | 16 | 1 | 7 | Jan 25, 2017 | Jan 25, 2017 |
| 17 | Buffco Production Inc. | 1 | 1 | 0 | 4 | Apr 12, 2021 | Apr 12, 2021 |
| 18 | Flamingo Operating, LLC | 1 | 6 | 0 | 1 | Mar 9, 2017 | Mar 9, 2017 |
| 19 | Texas Presco, Inc. | 1 | 3 | 1 | 0 | Dec 30, 2021 | Dec 30, 2021 |
| 20 | Bull Run Resources, LLC | 1 | 1 | 1 | 0 | Mar 27, 2026 | Mar 27, 2026 |
| 21 | Stallion Operating, LLC | 1 | 1 | 0 | 0 | Mar 19, 2021 | Mar 19, 2021 |
| 22 | E2 Operating LLC | — | 0 | 0 | 50 | — | — |
| 23 | Weber Energy Corporation | — | 0 | 0 | 43 | — | — |
| 24 | Barrow-Shaver Resources Co. | — | 36 | 0 | 29 | — | — |
| 25 | Crimson Exploration Oper., Inc. | — | 54 | 0 | 17 | — | — |
| 26 | Perryman Operating Co. | — | 0 | 0 | 17 | — | — |
| 27 | Reed Exploration LLC | — | 0 | 0 | 16 | — | — |
| 28 | Parten Oil Co. | — | 14 | 0 | 15 | — | — |
| 29 | Perryman Operating Co. Inc. | — | 0 | 0 | 14 | — | — |
| 30 | Parten Operating Inc. | — | 9 | 0 | 13 | — | — |
| 31 | Parten, J. R. | — | 70 | 0 | 12 | — | — |
| 32 | Shar-Alan Oil Company | — | 45 | 0 | 12 | — | — |
| 33 | Reata Oil & Gas Corp. | — | 25 | 0 | 11 | — | — |
| 34 | Houston Oil & Minerals Corp. | — | 29 | 0 | 10 | — | — |
| 35 | Force 5 Energy, LLC | — | 9 | 0 | 10 | — | — |
| 36 | Trailblazer Energy Resources LLC | — | 0 | 0 | 9 | — | — |
| 37 | Marshall Expl. Inc. | — | 71 | 0 | 8 | — | — |
| 38 | Goldsmith Operating LLC | — | 0 | 0 | 8 | — | — |
| 39 | Gulf Oil Corp. | — | 0 | 0 | 8 | — | — |
| 40 | Faulconer, Vernon E., Inc. | — | 1 | 0 | 7 | — | — |
| 41 | Mitchell Energy Corporation | — | 43 | 0 | 6 | — | — |
| 42 | West Alice Sneed Trust | — | 0 | 0 | 6 | — | — |
| 43 | Energy & Expl. Prtnrs Oper., LP | — | 61 | 0 | 5 | — | — |
| 44 | Palmer Petroleum Inc. | — | 20 | 0 | 5 | — | — |
| 45 | Exxon Corp. | — | 4 | 0 | 5 | — | — |
| 46 | Sandel Operating Company | — | 0 | 0 | 5 | — | — |
| 47 | Single Barrel Oil and Gas LLC | — | 0 | 0 | 5 | — | — |
| 48 | Devon Energy Production Co, L.P. | — | 15 | 0 | 4 | — | — |
| 49 | Edwards Petroleum Company | — | 5 | 0 | 4 | — | — |
| 50 | Harken Exploration Company | — | 4 | 0 | 4 | — | — |
| 51 | Cliffwood Production Co. | — | 3 | 0 | 4 | — | — |
| 52 | Union Oil Company of California | — | 3 | 0 | 4 | — | — |
| 53 | Ocean Energy, Inc. | — | 2 | 0 | 4 | — | — |
| 54 | Gsi Oil & Gas, Inc. | — | 1 | 0 | 4 | — | — |
| 55 | Contango Resources LLC | — | 0 | 0 | 4 | — | — |
| 56 | Digger Energy LLC. | — | 0 | 0 | 4 | — | — |
| 57 | Bow Valley Petroleum Inc. | — | 30 | 0 | 3 | — | — |
| 58 | Oxoco Oil & Gas, Inc. | — | 16 | 0 | 3 | — | — |
| 59 | Daltex Energy Company | — | 9 | 0 | 3 | — | — |
| 60 | Russell - Ft. Trinidad Op., LLC | — | 6 | 0 | 3 | — | — |
| 61 | M. P. S. Prod. Co. | — | 3 | 0 | 3 | — | — |
| 62 | Newstar Energy of Texas L.L.C. | — | 3 | 0 | 3 | — | — |
| 63 | Apache Corporation | — | 2 | 0 | 3 | — | — |
| 64 | Mission Resources Corporation | — | 2 | 0 | 3 | — | — |
| 65 | Deguello Operating LLC | — | 0 | 0 | 3 | — | — |
| 66 | Johnston James J. | — | 0 | 0 | 3 | — | — |
| 67 | Mitchell Geo. & Assoc. Inc. | — | 0 | 0 | 3 | — | — |
| 68 | Pace John W. et AL | — | 0 | 0 | 3 | — | — |
| 69 | Samson Lone Star LP | — | 0 | 0 | 3 | — | — |
| 70 | Valence Operating Company | — | 0 | 0 | 3 | — | — |
| 71 | Silver Oak Energy, LLC | — | 26 | 0 | 2 | — | — |
| 72 | Estate Oil & Gas Corp. | — | 12 | 0 | 2 | — | — |
| 73 | Enervest Operating, L.L.C. | — | 10 | 0 | 2 | — | — |
| 74 | Swift Energy Company | — | 5 | 0 | 2 | — | — |
| 75 | Wilder Exploration Company | — | 5 | 0 | 2 | — | — |
| 76 | Northern Michigan Exp. Co. | — | 4 | 0 | 2 | — | — |
| 77 | Crimson Exploration Inc. | — | 3 | 0 | 2 | — | — |
| 78 | Decker Operating Co., L.L.C. | — | 3 | 0 | 2 | — | — |
| 79 | Great Western Onshore Inc. | — | 1 | 0 | 2 | — | — |
| 80 | AL-TX Operating Inc. | — | 0 | 0 | 2 | — | — |
| 81 | Cico Oil & Gas Company | — | 0 | 0 | 2 | — | — |
| 82 | Douglas Petroleum Inc. | — | 0 | 0 | 2 | — | — |
| 83 | Embry Solutions Inc. | — | 0 | 0 | 2 | — | — |
| 84 | Faulconer Energy LLC | — | 0 | 0 | 2 | — | — |
| 85 | Glen Rose Corporation | — | 0 | 0 | 2 | — | — |
| 86 | Gulf Oil Corp.-Kilgore | — | 0 | 0 | 2 | — | — |
| 87 | Holley Oil Company LLC | — | 0 | 0 | 2 | — | — |
| 88 | J & M Well Salvage Company | — | 0 | 0 | 2 | — | — |
| 89 | Lone Star Prod. Co. | — | 0 | 0 | 2 | — | — |
| 90 | Maxmin Resources LLC | — | 0 | 0 | 2 | — | — |
| 91 | Moore Petroleum Service Inc. | — | 0 | 0 | 2 | — | — |
| 92 | Oil Well Recovery Services Inc. | — | 0 | 0 | 2 | — | — |
| 93 | Omimex Energy Inc. | — | 0 | 0 | 2 | — | — |
| 94 | Pace John W. | — | 0 | 0 | 2 | — | — |
| 95 | Perryman W.C. Operating Co. Inc | — | 0 | 0 | 2 | — | — |
| 96 | Roy Jackson Energy Operating LL | — | 0 | 0 | 2 | — | — |
| 97 | Sue-Ann Oil & Gas Company | — | 0 | 0 | 2 | — | — |
| 98 | Texaco Inc. | — | 0 | 0 | 2 | — | — |
| 99 | Westchase Production Inc. | — | 0 | 0 | 2 | — | — |
| 100 | Williams Clayton Energy Inc. | — | 0 | 0 | 2 | — | — |
| 101 | Bluestone Natural Resources, LLC | — | 17 | 0 | 1 | — | — |
| 102 | B.W.O.C., Inc. | — | 14 | 0 | 1 | — | — |
| 103 | Flying Diamond Oil Corporation | — | 9 | 0 | 1 | — | — |
| 104 | Famcor Oil, Inc | — | 8 | 0 | 1 | — | — |
| 105 | Tamarack Petroleum Company, Inc. | — | 7 | 0 | 1 | — | — |
| 106 | Haber Oil Company, Inc. | — | 6 | 0 | 1 | — | — |
| 107 | Coffman, Thomas D. Inc. | — | 4 | 0 | 1 | — | — |
| 108 | Patterson Petroleum LP | — | 4 | 0 | 1 | — | — |
| 109 | Cordillera Energy Prtnrs Iii,llc | — | 3 | 0 | 1 | — | — |
| 110 | McBee Operating Company, L.L.C. | — | 3 | 0 | 1 | — | — |
| 111 | Nucorp Energy, Inc. | — | 3 | 0 | 1 | — | — |
| 112 | Adobe Resources Corporation | — | 2 | 0 | 1 | — | — |
| 113 | Americus Resources, Inc. | — | 2 | 0 | 1 | — | — |
| 114 | Conoco Inc. | — | 2 | 0 | 1 | — | — |
| 115 | Crown Central Petroleum Corp. | — | 2 | 0 | 1 | — | — |
| 116 | Lapco Oil & Gas Company | — | 2 | 0 | 1 | — | — |
| 117 | Oxoco Exploration Corp. | — | 2 | 0 | 1 | — | — |
| 118 | Reb Petroleum Company | — | 2 | 0 | 1 | — | — |
| 119 | TC3 Energy Services Company | — | 2 | 0 | 1 | — | — |
| 120 | Willis Enterprises | — | 2 | 0 | 1 | — | — |
| 121 | Barco Oil & Gas Co. | — | 1 | 0 | 1 | — | — |
| 122 | Edisto Resources Corporation | — | 1 | 0 | 1 | — | — |
| 123 | GWR Operating Co. | — | 1 | 0 | 1 | — | — |
| 124 | Lear Petroleum Exploration, Inc. | — | 1 | 0 | 1 | — | — |
| 125 | Lingen Exploration, Inc. | — | 1 | 0 | 1 | — | — |
| 126 | Sage Energy Company | — | 1 | 0 | 1 | — | — |
| 127 | Strago Petroleum Corporation | — | 1 | 0 | 1 | — | — |
| 128 | Tepee Petroleum Co., Inc. | — | 1 | 0 | 1 | — | — |
| 129 | Advance Hydrocarbon Corporation | — | 0 | 0 | 1 | — | — |
| 130 | Alexander Land & Dev. Co. Inc. | — | 0 | 0 | 1 | — | — |
| 131 | Almos Gas Gathering Company | — | 0 | 0 | 1 | — | — |
| 132 | A & P Oil & Gas | — | 0 | 0 | 1 | — | — |
| 133 | Atlantic Richfield Co.-Silsbee | — | 0 | 0 | 1 | — | — |
| 134 | BC Operating Inc. | — | 0 | 0 | 1 | — | — |
| 135 | Bluesky Oil & Gas Inc. | — | 0 | 0 | 1 | — | — |
| 136 | Box W. A. & Son Equipment Co. | — | 0 | 0 | 1 | — | — |
| 137 | Brown J. K. Inc. | — | 0 | 0 | 1 | — | — |
| 138 | Byrd D. H. | — | 0 | 0 | 1 | — | — |
| 139 | Cabot Oil & Gas Corporation | — | 0 | 0 | 1 | — | — |
| 140 | Cago Inc. | — | 0 | 0 | 1 | — | — |
| 141 | Cameron Exploration Inc. | — | 0 | 0 | 1 | — | — |
| 142 | Cameron Paul E. Jr. Inc. | — | 0 | 0 | 1 | — | — |
| 143 | C&e Production LLC | — | 0 | 0 | 1 | — | — |
| 144 | Comet Oil & Gas Inc. | — | 0 | 0 | 1 | — | — |
| 145 | Comet Production | — | 0 | 0 | 1 | — | — |
| 146 | Dominion Minerals Corporation | — | 0 | 0 | 1 | — | — |
| 147 | First Estate of Texas Inc. | — | 0 | 0 | 1 | — | — |
| 148 | Giant NRG Co. LP | — | 0 | 0 | 1 | — | — |
| 149 | Hamill Claud B. | — | 0 | 0 | 1 | — | — |
| 150 | Hombre Oil Co. Ltd. | — | 0 | 0 | 1 | — | — |
| 151 | Huffington Roy M. Inc. | — | 0 | 0 | 1 | — | — |
| 152 | Hughey W. R. Operating Co. | — | 0 | 0 | 1 | — | — |
| 153 | Larke W. Bill | — | 0 | 0 | 1 | — | — |
| 154 | Longhorn Oil Properties Inc. | — | 0 | 0 | 1 | — | — |
| 155 | Lopaco Energy Inc. | — | 0 | 0 | 1 | — | — |
| 156 | Magnolia Oil & Gas Operating LLC | — | 0 | 0 | 1 | — | — |
| 157 | Midway Oilfield Constructors Inc | — | 0 | 0 | 1 | — | — |
| 158 | Operator P-5 Not on File | — | 0 | 0 | 1 | — | — |
| 159 | Ows Energy Inc. | — | 0 | 0 | 1 | — | — |
| 160 | Redbud E & P Inc. | — | 0 | 0 | 1 | — | — |
| 161 | Samedan Oil Corporation | — | 0 | 0 | 1 | — | — |
| 162 | SF Resources Inc | — | 0 | 0 | 1 | — | — |
| 163 | Showhorn Holding Co. L.L.C. | — | 0 | 0 | 1 | — | — |
| 164 | Sinclair Carl Oil Well Service | — | 0 | 0 | 1 | — | — |
| 165 | Tex.pet.-Expl.co. Mutton Oil Co. | — | 0 | 0 | 1 | — | — |
| 166 | Threshold Energy Inc. | — | 0 | 0 | 1 | — | — |
| 167 | Trek Resources Inc. | — | 0 | 0 | 1 | — | — |
| 168 | Union Oil Company of Calif-Van | — | 0 | 0 | 1 | — | — |
| 169 | Unit Petroleum Company | — | 0 | 0 | 1 | — | — |
| 170 | Viking Resources Inc. | — | 0 | 0 | 1 | — | — |
| 171 | Vital Petroleum LLC | — | 0 | 0 | 1 | — | — |
| 172 | Walker County Well Service Co. | — | 0 | 0 | 1 | — | — |
| 173 | Woodbine Acquisition LLC | — | 70 | 0 | 0 | — | — |
| 174 | Natural Resource Management Corp | — | 40 | 0 | 0 | — | — |
| 175 | Treadstone Energy Partners, LLC | — | 38 | 0 | 0 | — | — |
| 176 | Navidad Resources, LLC | — | 26 | 0 | 0 | — | — |
| 177 | New Gulf Resources, LLC | — | 25 | 0 | 0 | — | — |
| 178 | Woodbine Acquisition Corporation | — | 18 | 0 | 0 | — | — |
| 179 | Pmo | — | 15 | 0 | 0 | — | — |
| 180 | Setex Oil and Gas Company | — | 14 | 0 | 0 | — | — |
| 181 | Fidelity Explor. & Prod. Co. | — | 11 | 0 | 0 | — | — |
| 182 | Range Production Company | — | 11 | 0 | 0 | — | — |
| 183 | Chesapeake Operating, Inc. | — | 10 | 0 | 0 | — | — |
| 184 | Samson Lone Star, LLC | — | 10 | 0 | 0 | — | — |
| 185 | Halcon Operating Co., Inc. | — | 9 | 0 | 0 | — | — |
| 186 | Mosbacher, Robert | — | 8 | 0 | 0 | — | — |
| 187 | Delta Drilling Co. | — | 7 | 0 | 0 | — | — |
| 188 | Encana Oil & Gas(usa) Inc. | — | 6 | 0 | 0 | — | — |
| 189 | Petroleum Corp. of Delaware, The | — | 6 | 0 | 0 | — | — |
| 190 | Union Pacific Resources Company | — | 6 | 0 | 0 | — | — |
| 191 | Daniel Oil Co. | — | 5 | 0 | 0 | — | — |
| 192 | Extide Oil Co. | — | 5 | 0 | 0 | — | — |
| 193 | Goldsmith, J. Paul | — | 5 | 0 | 0 | — | — |
| 194 | Patriot E & P Company | — | 5 | 0 | 0 | — | — |
| 195 | Redwood Energy Production, L.P. | — | 5 | 0 | 0 | — | — |
| 196 | Txco Resources Inc. | — | 5 | 0 | 0 | — | — |
| 197 | TXO Production Corp. | — | 5 | 0 | 0 | — | — |
| 198 | Alltex Exploration, Inc. | — | 4 | 0 | 0 | — | — |
| 199 | Lomax Exploration Co. | — | 4 | 0 | 0 | — | — |
| 200 | Martineau Petroleum, Inc. | — | 4 | 0 | 0 | — | — |
| 201 | Plantation Oil & Gas, Inc. | — | 4 | 0 | 0 | — | — |
| 202 | Union Expl. Partners, Ltd. | — | 4 | 0 | 0 | — | — |
| 203 | Appco Oil & Gas Corporation | — | 3 | 0 | 0 | — | — |
| 204 | Ballard Exploration Company,inc. | — | 3 | 0 | 0 | — | — |
| 205 | Daleco Resources | — | 3 | 0 | 0 | — | — |
| 206 | Emerald Operating Company, Inc. | — | 3 | 0 | 0 | — | — |
| 207 | Flying Diamond Production, Inc. | — | 3 | 0 | 0 | — | — |
| 208 | Gibson Drlg. Co. | — | 3 | 0 | 0 | — | — |
| 209 | Hill, Wm. B. Production Company | — | 3 | 0 | 0 | — | — |
| 210 | L & B Oil Co. Inc. | — | 3 | 0 | 0 | — | — |
| 211 | Llewellin Operating Company, LLC | — | 3 | 0 | 0 | — | — |
| 212 | Lowmar Exploration Company | — | 3 | 0 | 0 | — | — |
| 213 | Lynco Oil Corp. | — | 3 | 0 | 0 | — | — |
| 214 | Marion Corp. | — | 3 | 0 | 0 | — | — |
| 215 | Murexco Petroleum, Inc. | — | 3 | 0 | 0 | — | — |
| 216 | Murphy, K. P. Oil Operator | — | 3 | 0 | 0 | — | — |
| 217 | Panther Resources Corporation | — | 3 | 0 | 0 | — | — |
| 218 | Rme Petroleum Company | — | 3 | 0 | 0 | — | — |
| 219 | Tenneco Oil Company-Tgcd | — | 3 | 0 | 0 | — | — |
| 220 | Transocean Oil, Inc. | — | 3 | 0 | 0 | — | — |
| 221 | XTO Energy Inc. | — | 3 | 0 | 0 | — | — |
| 222 | Alford Petroleum Corp. | — | 2 | 0 | 0 | — | — |
| 223 | Arrow Exploration Company | — | 2 | 0 | 0 | — | — |
| 224 | Bellwether Exploration Company | — | 2 | 0 | 0 | — | — |
| 225 | Brummett, J. O. | — | 2 | 0 | 0 | — | — |
| 226 | Can-Tex Energy Corp. | — | 2 | 0 | 0 | — | — |
| 227 | Challenge Operating, Inc. | — | 2 | 0 | 0 | — | — |
| 228 | Cinco Operating Company, LLC | — | 2 | 0 | 0 | — | — |
| 229 | Ellsworth, H. P. O&G Properties | — | 2 | 0 | 0 | — | — |
| 230 | Fairways Exploration & Prod, LLC | — | 2 | 0 | 0 | — | — |
| 231 | Geotec Exploration, Inc. | — | 2 | 0 | 0 | — | — |
| 232 | Gruy Petroleum Management Co. | — | 2 | 0 | 0 | — | — |
| 233 | Gulf Bend Resources, LLC | — | 2 | 0 | 0 | — | — |
| 234 | Holt Oil & Gas Corporation | — | 2 | 0 | 0 | — | — |
| 235 | Inexco Oil Company | — | 2 | 0 | 0 | — | — |
| 236 | King Resources International,inc | — | 2 | 0 | 0 | — | — |
| 237 | Koch Pipeline Company, L.P. | — | 2 | 0 | 0 | — | — |
| 238 | Lajet Petroleum Company | — | 2 | 0 | 0 | — | — |
| 239 | Marshall Petroleum, Inc. | — | 2 | 0 | 0 | — | — |
| 240 | MCZ, Inc. | — | 2 | 0 | 0 | — | — |
| 241 | NRG Resources, Inc. | — | 2 | 0 | 0 | — | — |
| 242 | Opex Energy, LLC | — | 2 | 0 | 0 | — | — |
| 243 | Pcu, Inc. of Texas | — | 2 | 0 | 0 | — | — |
| 244 | Peoples Energy Prod.-TX, L.P. | — | 2 | 0 | 0 | — | — |
| 245 | Perkins Oil Company | — | 2 | 0 | 0 | — | — |
| 246 | Petro-Lewis Corporation | — | 2 | 0 | 0 | — | — |
| 247 | Petromark Minerals INC.******P5 | — | 2 | 0 | 0 | — | — |
| 248 | Pinnergy, Ltd. | — | 2 | 0 | 0 | — | — |
| 249 | Reb Petroleum Co. | — | 2 | 0 | 0 | — | — |
| 250 | Saba Energy of Texas, Inc. | — | 2 | 0 | 0 | — | — |
| 251 | Sabalo Exploration Operating,llc | — | 2 | 0 | 0 | — | — |
| 252 | Samson Resources Company | — | 2 | 0 | 0 | — | — |
| 253 | Sarbb Co., The | — | 2 | 0 | 0 | — | — |
| 254 | Strata Energy, Inc. | — | 2 | 0 | 0 | — | — |
| 255 | Sun Operating LLC | — | 2 | 0 | 0 | — | — |
| 256 | TA-Lee-HO Energy Corporation | — | 2 | 0 | 0 | — | — |
| 257 | Tartan Oil & Gas | — | 2 | 0 | 0 | — | — |
| 258 | Texas, L. Petroleum, Inc. | — | 2 | 0 | 0 | — | — |
| 259 | Umc Petroleum Corporation | — | 2 | 0 | 0 | — | — |
| 260 | Yates Exploration Co. | — | 2 | 0 | 0 | — | — |
| 261 | Abco Energy Corporation | — | 1 | 0 | 0 | — | — |
| 262 | Adena Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 263 | Alford Oil Corporation | — | 1 | 0 | 0 | — | — |
| 264 | Allco Exploration Co. | — | 1 | 0 | 0 | — | — |
| 265 | Amerril Energy LLC | — | 1 | 0 | 0 | — | — |
| 266 | Anadarko E&P Company LP | — | 1 | 0 | 0 | — | — |
| 267 | Arcadia Refining Co. | — | 1 | 0 | 0 | — | — |
| 268 | Austral Oil Company Incorporated | — | 1 | 0 | 0 | — | — |
| 269 | Bass Enterprises Production Co. | — | 1 | 0 | 0 | — | — |
| 270 | CH4 Energy II, LLC | — | 1 | 0 | 0 | — | — |
| 271 | Christico Petroleum Company | — | 1 | 0 | 0 | — | — |
| 272 | Convest Energy & Lake Ronel | — | 1 | 0 | 0 | — | — |
| 273 | Cypress Partners, Inc. | — | 1 | 0 | 0 | — | — |
| 274 | Dallas Production, Inc. | — | 1 | 0 | 0 | — | — |
| 275 | Daniel Mineral Development, Inc. | — | 1 | 0 | 0 | — | — |
| 276 | Daniel Resource Development,inc. | — | 1 | 0 | 0 | — | — |
| 277 | Danser, John E. | — | 1 | 0 | 0 | — | — |
| 278 | Daystar Resources, Ltd. | — | 1 | 0 | 0 | — | — |
| 279 | Dome Petroleum Corp | — | 1 | 0 | 0 | — | — |
| 280 | Don Co | — | 1 | 0 | 0 | — | — |
| 281 | Don Company, The | — | 1 | 0 | 0 | — | — |
| 282 | Dorchester Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 283 | Drake Energy, Inc. | — | 1 | 0 | 0 | — | — |
| 284 | East Texas Drilling Co., Inc. | — | 1 | 0 | 0 | — | — |
| 285 | Edisto Exploration & Prod. Co. | — | 1 | 0 | 0 | — | — |
| 286 | Endeavor Natural Gas, LP | — | 1 | 0 | 0 | — | — |
| 287 | Enercorp Resources, Inc. | — | 1 | 0 | 0 | — | — |
| 288 | Estate Oil&gas Corp. R.H. Bishop | — | 1 | 0 | 0 | — | — |
| 289 | Euratex Corp. | — | 1 | 0 | 0 | — | — |
| 290 | Forcenergy Inc | — | 1 | 0 | 0 | — | — |
| 291 | Georgetown Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 292 | Geosouthern Energy Corporation | — | 1 | 0 | 0 | — | — |
| 293 | Harken Energy Corporation | — | 1 | 0 | 0 | — | — |
| 294 | Hea Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 295 | Highland Resources-G. R. Brown | — | 1 | 0 | 0 | — | — |
| 296 | Humble Resources Company | — | 1 | 0 | 0 | — | — |
| 297 | Lawless Energy, Inc. | — | 1 | 0 | 0 | — | — |
| 298 | Long Trusts, The | — | 1 | 0 | 0 | — | — |
| 299 | Lucas Energy, Inc. | — | 1 | 0 | 0 | — | — |
| 300 | Lynn Oil Company | — | 1 | 0 | 0 | — | — |