| 1 | Bayswater Operating Company LLC | 51 | 51 | 46 | 29 | Feb 10, 2022 | Jul 16, 2026 |
| 2 | Sabinal Energy Operating, LLC | 27 | 27 | 4 | 2 | Mar 1, 2021 | Jan 21, 2025 |
| 3 | Saguaro Petroleum, LLC | 23 | 23 | 1 | 18 | Nov 10, 2021 | Mar 3, 2026 |
| 4 | Crownquest Operating, LLC | 22 | 179 | 0 | 18 | May 10, 2017 | May 13, 2024 |
| 5 | RHB Exploration & Production,llc | 15 | 17 | 0 | 26 | Feb 10, 2017 | Sep 30, 2025 |
| 6 | Basa Resources, Inc. | 14 | 71 | 0 | 786 | Dec 13, 2017 | Sep 21, 2026 |
| 7 | Reatta Energy, Inc. | 12 | 16 | 0 | 36 | Dec 16, 2016 | Feb 14, 2022 |
| 8 | SD Royale Energy, Inc. | 10 | 10 | 0 | 185 | Jan 22, 2020 | Mar 24, 2026 |
| 9 | Highpeak Energy Holdings, LLC | 9 | 9 | 3 | 5 | May 6, 2024 | Feb 7, 2025 |
| 10 | Energy Transfer Company | 8 | 8 | 0 | 0 | Jan 20, 2021 | Aug 26, 2026 |
| 11 | Swjn Oil Company | 5 | 5 | 1 | 48 | Oct 25, 2017 | Jan 24, 2020 |
| 12 | Purvis Operating Co. | 5 | 32 | 0 | 0 | Nov 17, 2016 | Jul 6, 2017 |
| 13 | Kek Exploration LLC | 4 | 4 | 0 | 7 | Sep 2, 2025 | Jun 26, 2026 |
| 14 | Buccaneer Operating LLC | 3 | 3 | 0 | 1 | Apr 20, 2022 | May 5, 2022 |
| 15 | Houston Pipe Line Company LP | 3 | 6 | 0 | 0 | Mar 9, 2017 | May 3, 2019 |
| 16 | Americo Energy Resources, LLC | 2 | 8 | 0 | 208 | Nov 15, 2016 | Dec 30, 2016 |
| 17 | Unitex Oil & Gas, L.L.C. | 2 | 7 | 0 | 195 | Mar 14, 2018 | Mar 20, 2019 |
| 18 | Sharp Image Energy, Inc. | 2 | 20 | 0 | 17 | Jan 12, 2022 | Oct 2, 2023 |
| 19 | Holly Energy Partners-OP, L.P. | 2 | 6 | 0 | 0 | May 3, 2017 | Oct 19, 2018 |
| 20 | Enterprise Products Operatingllc | 2 | 5 | 0 | 0 | Jan 14, 2019 | May 19, 2026 |
| 21 | Atmos Pipeline - Texas | 2 | 2 | 0 | 0 | Apr 16, 2024 | Feb 24, 2025 |
| 22 | Blackbeard Operating, LLC | 2 | 2 | 0 | 0 | Apr 18, 2017 | Apr 18, 2017 |
| 23 | Schlachter Operating Corporation | 1 | 45 | 0 | 413 | May 13, 2020 | May 13, 2020 |
| 24 | Energen Resources Corporation | 1 | 1,250 | 0 | 6 | Aug 27, 2018 | Aug 27, 2018 |
| 25 | Katsco Energy, Inc. | 1 | 1 | 0 | 6 | Dec 16, 2021 | Dec 16, 2021 |
| 26 | Strand Energy, L.C. | 1 | 1 | 0 | 1 | Sep 10, 2018 | Sep 10, 2018 |
| 27 | Plains Pipeline L.P. | 1 | 2 | 0 | 0 | Jan 31, 2019 | Jan 31, 2019 |
| 28 | Breitburn Operating L.P. | 1 | 1 | 0 | 0 | Jul 27, 2021 | Jul 27, 2021 |
| 29 | Enterprise Products Texas OP LLC | 1 | 1 | 0 | 0 | Jan 29, 2019 | Jan 29, 2019 |
| 30 | Firstrike Energy Corporation | 1 | 1 | 0 | 0 | Jul 10, 2019 | Jul 10, 2019 |
| 31 | Magellan Pipeline Company, L.P. | 1 | 1 | 0 | 0 | Nov 30, 2020 | Nov 30, 2020 |
| 32 | Bce-Mach III LLC | — | 0 | 0 | 1,949 | — | — |
| 33 | Grayrock Energy II LLC | — | 0 | 0 | 387 | — | — |
| 34 | Zulhone Willian H. Jr. | — | 0 | 0 | 178 | — | — |
| 35 | Baylor Operating LLC | — | 0 | 0 | 165 | — | — |
| 36 | GTG Operating LLC | — | 0 | 0 | 143 | — | — |
| 37 | Cross Cut Petroleum LLC | — | 0 | 0 | 112 | — | — |
| 38 | R2Q Operating LLC | — | 0 | 0 | 88 | — | — |
| 39 | Black Diamond Operating LLC | — | 0 | 0 | 84 | — | — |
| 40 | GNG Operating LLC | — | 0 | 0 | 63 | — | — |
| 41 | Big Springs Investments Inc. | — | 0 | 0 | 61 | — | — |
| 42 | Atlas Energy Corporation (Del.) | — | 0 | 0 | 42 | — | — |
| 43 | T & M Oil Company | — | 1 | 0 | 41 | — | — |
| 44 | Northern Pacific Oil Incorporatd | — | 0 | 0 | 41 | — | — |
| 45 | Cedar Bend Oil Company | — | 8 | 0 | 38 | — | — |
| 46 | Bep Operating LLC | — | 0 | 0 | 37 | — | — |
| 47 | Morgan Creek Production Co. Inc | — | 0 | 0 | 36 | — | — |
| 48 | Royal Oryx OG LLC | — | 0 | 0 | 35 | — | — |
| 49 | One Nickel Operating LLC | — | 0 | 0 | 34 | — | — |
| 50 | Walker Oil and Gas Ltd | — | 0 | 0 | 33 | — | — |
| 51 | Soma Operating Company, LLC | — | 41 | 0 | 28 | — | — |
| 52 | Winn Operating LLC | — | 0 | 0 | 27 | — | — |
| 53 | Doolies Production | — | 0 | 0 | 25 | — | — |
| 54 | Sammax Operating LLC | — | 0 | 0 | 25 | — | — |
| 55 | Partee Drilling Inc. | — | 4 | 0 | 23 | — | — |
| 56 | Satanta Oil Company | — | 0 | 0 | 23 | — | — |
| 57 | C & S Operating | — | 0 | 0 | 22 | — | — |
| 58 | Cwoc | — | 0 | 0 | 22 | — | — |
| 59 | Melrose Operating Company | — | 38 | 0 | 20 | — | — |
| 60 | Nordstrand Engineering Inc. | — | 0 | 0 | 20 | — | — |
| 61 | Onaroll Operating LLC | — | 0 | 0 | 20 | — | — |
| 62 | Lem Operating Co. Inc. | — | 25 | 0 | 19 | — | — |
| 63 | M2 Squared Operating LLC | — | 0 | 0 | 19 | — | — |
| 64 | Bovaird Supply Company | — | 0 | 0 | 17 | — | — |
| 65 | MBR Resources Inc. | — | 0 | 0 | 16 | — | — |
| 66 | Oilex Int L Investments Inc. | — | 0 | 0 | 16 | — | — |
| 67 | 314 Operating | — | 0 | 0 | 13 | — | — |
| 68 | Eastland Oil Company, The | — | 9 | 0 | 12 | — | — |
| 69 | Keeley Oil L.L.C. | — | 0 | 0 | 12 | — | — |
| 70 | Skeeter Oil L.L.C. | — | 0 | 0 | 12 | — | — |
| 71 | Burk Royalty Company | — | 0 | 0 | 11 | — | — |
| 72 | M & M General Contractors Inc. | — | 0 | 0 | 11 | — | — |
| 73 | S & J Operating Co. | — | 0 | 0 | 11 | — | — |
| 74 | American Petrofina Co. of Tex. | — | 159 | 0 | 10 | — | — |
| 75 | Rasmussen, Tom | — | 39 | 0 | 10 | — | — |
| 76 | HMH Operators | — | 21 | 0 | 10 | — | — |
| 77 | Dedica Energy Corporation | — | 4 | 0 | 10 | — | — |
| 78 | Sackerol Enterprises Inc. | — | 0 | 0 | 10 | — | — |
| 79 | Simata Energy LLC | — | 0 | 0 | 10 | — | — |
| 80 | Gallo Petroleum LLC | — | 0 | 0 | 9 | — | — |
| 81 | Owl Ops LLC | — | 0 | 0 | 9 | — | — |
| 82 | Guthrie, A. K. Operating Co. | — | 30 | 0 | 8 | — | — |
| 83 | Gray, Gordon Operator | — | 8 | 0 | 8 | — | — |
| 84 | Pride Energy Company | — | 4 | 0 | 8 | — | — |
| 85 | B. B. & C. | — | 0 | 0 | 8 | — | — |
| 86 | Baytech, Inc. | — | 18 | 0 | 7 | — | — |
| 87 | Duncan Drilling Co. | — | 5 | 0 | 7 | — | — |
| 88 | Dragon Operating, LLC | — | 1 | 0 | 7 | — | — |
| 89 | Desert Production Inc. | — | 0 | 0 | 7 | — | — |
| 90 | McWilliams Bill H. | — | 0 | 0 | 7 | — | — |
| 91 | R & C Oil Company LLC | — | 0 | 0 | 7 | — | — |
| 92 | Fina Oil & Chemical Company | — | 97 | 0 | 6 | — | — |
| 93 | Grand Banks Energy Company | — | 32 | 0 | 6 | — | — |
| 94 | Devon Energy Production Co, L.P. | — | 20 | 0 | 6 | — | — |
| 95 | Bright & Co. | — | 18 | 0 | 6 | — | — |
| 96 | Coalinga Corporation | — | 7 | 0 | 6 | — | — |
| 97 | Williams, Clayton Energy, Inc. | — | 6 | 0 | 6 | — | — |
| 98 | Desert American Petro Co. The | — | 0 | 0 | 6 | — | — |
| 99 | Etl Hydrocarbons Inc. | — | 0 | 0 | 6 | — | — |
| 100 | J & J Services Company | — | 0 | 0 | 6 | — | — |
| 101 | Simpco | — | 0 | 0 | 6 | — | — |
| 102 | Tnch LLC | — | 0 | 0 | 6 | — | — |
| 103 | Kidd, Barron | — | 30 | 0 | 5 | — | — |
| 104 | Thomas Exploration & Devel., Inc | — | 1 | 0 | 5 | — | — |
| 105 | Crossroads Equipment | — | 0 | 0 | 5 | — | — |
| 106 | Forsan Oil Company | — | 0 | 0 | 5 | — | — |
| 107 | Green Light Operating LLC. | — | 0 | 0 | 5 | — | — |
| 108 | Majestic Petroleum Corporation | — | 0 | 0 | 5 | — | — |
| 109 | Production Marketing Assoc Inc | — | 0 | 0 | 5 | — | — |
| 110 | L.C.S. Production Company | — | 22 | 0 | 4 | — | — |
| 111 | Marshall & Winston, Inc. | — | 12 | 0 | 4 | — | — |
| 112 | J V A Operating Company, Inc. | — | 3 | 0 | 4 | — | — |
| 113 | Neff, Mickey Oil Company Inc. | — | 3 | 0 | 4 | — | — |
| 114 | Crego Exploration | — | 1 | 0 | 4 | — | — |
| 115 | Baxter Murphy H. | — | 0 | 0 | 4 | — | — |
| 116 | Bit Well Service & Cementers | — | 0 | 0 | 4 | — | — |
| 117 | Cab Resources LLC | — | 0 | 0 | 4 | — | — |
| 118 | Chaney Gilbert | — | 0 | 0 | 4 | — | — |
| 119 | CJT Oil Company LLC | — | 0 | 0 | 4 | — | — |
| 120 | Gainey Partnership | — | 0 | 0 | 4 | — | — |
| 121 | Gopher Resources Co. | — | 0 | 0 | 4 | — | — |
| 122 | IP Well Service LLC | — | 0 | 0 | 4 | — | — |
| 123 | Lainco Well Service | — | 0 | 0 | 4 | — | — |
| 124 | Lakeshore Operating LLC | — | 0 | 0 | 4 | — | — |
| 125 | MDC Operating Inc. | — | 0 | 0 | 4 | — | — |
| 126 | Pedco Resources Company | — | 0 | 0 | 4 | — | — |
| 127 | Turner-Koger | — | 0 | 0 | 4 | — | — |
| 128 | Windham L.E. Estate Of | — | 0 | 0 | 4 | — | — |
| 129 | Sun Expl. & Prod. Co.-Abilene | — | 71 | 0 | 3 | — | — |
| 130 | Anadarko Petroleum Corp. | — | 14 | 0 | 3 | — | — |
| 131 | HMH Operators, Inc. | — | 3 | 0 | 3 | — | — |
| 132 | Corona Exploration, Inc. | — | 2 | 0 | 3 | — | — |
| 133 | Camelback Energy Corporation | — | 1 | 0 | 3 | — | — |
| 134 | F Y B Investments, Inc. | — | 1 | 0 | 3 | — | — |
| 135 | Beasley Kenneth | — | 0 | 0 | 3 | — | — |
| 136 | C-C Oil Co. | — | 0 | 0 | 3 | — | — |
| 137 | Devon Energy Corporation(nevada) | — | 0 | 0 | 3 | — | — |
| 138 | Diamondback E&P LLC | — | 0 | 0 | 3 | — | — |
| 139 | G & S Oil Company | — | 0 | 0 | 3 | — | — |
| 140 | Nadel and Gussman Permian L.L.C. | — | 0 | 0 | 3 | — | — |
| 141 | Patriot Services Inc. | — | 0 | 0 | 3 | — | — |
| 142 | Sweet Crude Operating LLC | — | 0 | 0 | 3 | — | — |
| 143 | Trek Petroleum Company Inc. | — | 0 | 0 | 3 | — | — |
| 144 | Trio Operating Company Inc. | — | 0 | 0 | 3 | — | — |
| 145 | First Permian, L.L.C. | — | 80 | 0 | 2 | — | — |
| 146 | Abraxas Petroleum Corp. | — | 44 | 0 | 2 | — | — |
| 147 | Richmond Drilling Company | — | 11 | 0 | 2 | — | — |
| 148 | Spiller Oil Corp. | — | 9 | 0 | 2 | — | — |
| 149 | Lario Oil & Gas Company | — | 6 | 0 | 2 | — | — |
| 150 | Jarrell-Robinson Oil Co. | — | 4 | 0 | 2 | — | — |
| 151 | Amoco Production Company | — | 3 | 0 | 2 | — | — |
| 152 | Atapco | — | 3 | 0 | 2 | — | — |
| 153 | Rico Oil Company | — | 3 | 0 | 2 | — | — |
| 154 | Wainoco Oil & Gas Company | — | 3 | 0 | 2 | — | — |
| 155 | Chisholm Exploration | — | 2 | 0 | 2 | — | — |
| 156 | Creslenn Oil Company | — | 2 | 0 | 2 | — | — |
| 157 | Dunigan Operating Co., Inc. | — | 2 | 0 | 2 | — | — |
| 158 | Laredo Petroleum, Inc. | — | 2 | 0 | 2 | — | — |
| 159 | Pathfinder Petroleum Corporation | — | 2 | 0 | 2 | — | — |
| 160 | Sands Operating Company, Inc. | — | 2 | 0 | 2 | — | — |
| 161 | Trio Consulting & Management,llc | — | 2 | 0 | 2 | — | — |
| 162 | Armor Petroleum, Inc. | — | 1 | 0 | 2 | — | — |
| 163 | Beekay Company | — | 1 | 0 | 2 | — | — |
| 164 | Finley Resources, Inc. | — | 1 | 0 | 2 | — | — |
| 165 | Mardam Exploration, Inc. | — | 1 | 0 | 2 | — | — |
| 166 | McCulloch Oil Corp. of Texas | — | 1 | 0 | 2 | — | — |
| 167 | McDonnold Operating, Inc. | — | 1 | 0 | 2 | — | — |
| 168 | A A Production Inc. | — | 0 | 0 | 2 | — | — |
| 169 | Abraxas Production Corporation | — | 0 | 0 | 2 | — | — |
| 170 | Apex Operating Co. | — | 0 | 0 | 2 | — | — |
| 171 | Beasley Oilfield Services Inc. | — | 0 | 0 | 2 | — | — |
| 172 | F. R. B. Operating Company | — | 0 | 0 | 2 | — | — |
| 173 | Grasha Matthew P. | — | 0 | 0 | 2 | — | — |
| 174 | Guthrie C. W. | — | 0 | 0 | 2 | — | — |
| 175 | Harding Well Service Co. | — | 0 | 0 | 2 | — | — |
| 176 | J. A. M. Oil Company | — | 0 | 0 | 2 | — | — |
| 177 | Knox Industries Inc. | — | 0 | 0 | 2 | — | — |
| 178 | Marshco Production LLC | — | 0 | 0 | 2 | — | — |
| 179 | Mitchell County Investments | — | 0 | 0 | 2 | — | — |
| 180 | Mosaic Texas LLC | — | 0 | 0 | 2 | — | — |
| 181 | Red Star Operating LLC | — | 0 | 0 | 2 | — | — |
| 182 | Saranac Petroleum Inc. | — | 0 | 0 | 2 | — | — |
| 183 | Smith Pipe of Abilene | — | 0 | 0 | 2 | — | — |
| 184 | Standard Oil Company of Texas | — | 0 | 0 | 2 | — | — |
| 185 | Stephens Autry C. | — | 0 | 0 | 2 | — | — |
| 186 | Texas American Oil Corp. | — | 0 | 0 | 2 | — | — |
| 187 | Vector Energy Corp. | — | 0 | 0 | 2 | — | — |
| 188 | Vtex Energy Inc. | — | 0 | 0 | 2 | — | — |
| 189 | Whiting Oil and Gas Corporation | — | 0 | 0 | 2 | — | — |
| 190 | Windham L. E. | — | 0 | 0 | 2 | — | — |
| 191 | Chevron U. S. A. Inc. | — | 261 | 0 | 1 | — | — |
| 192 | Sun Exploration & Production Co. | — | 112 | 0 | 1 | — | — |
| 193 | Pioneer Natural Res. USA, Inc. | — | 62 | 0 | 1 | — | — |
| 194 | Parker & Parsley Development Co. | — | 61 | 0 | 1 | — | — |
| 195 | Union Texas Petroleum Corp. | — | 56 | 0 | 1 | — | — |
| 196 | SDX Resources, Inc. | — | 29 | 0 | 1 | — | — |
| 197 | Crews Oil Company | — | 21 | 0 | 1 | — | — |
| 198 | Texaco Inc. | — | 18 | 0 | 1 | — | — |
| 199 | Wilbanks, Bruce A. | — | 17 | 0 | 1 | — | — |
| 200 | Huffco Petroleum Corporation | — | 16 | 0 | 1 | — | — |
| 201 | Kohler Energy Corporation | — | 14 | 0 | 1 | — | — |
| 202 | Granbury Oil Co., Inc. | — | 13 | 0 | 1 | — | — |
| 203 | Vista Energy Corp. | — | 12 | 0 | 1 | — | — |
| 204 | Tuthill & Barbee | — | 10 | 0 | 1 | — | — |
| 205 | Petroleum Group Inc. | — | 9 | 0 | 1 | — | — |
| 206 | Walden, Max Production, Inc. | — | 9 | 0 | 1 | — | — |
| 207 | Cox, Robert G. & Associates,inc. | — | 8 | 0 | 1 | — | — |
| 208 | Bedford Oil & Gas, Inc. | — | 5 | 0 | 1 | — | — |
| 209 | Gladson, Willard | — | 5 | 0 | 1 | — | — |
| 210 | S.B. Street Operating, Inc. | — | 5 | 0 | 1 | — | — |
| 211 | Trend Exploration Company | — | 5 | 0 | 1 | — | — |
| 212 | Anadarko Production Company | — | 4 | 0 | 1 | — | — |
| 213 | Endeavor Energy Resources L.P. | — | 4 | 0 | 1 | — | — |
| 214 | Astin Corp. | — | 3 | 0 | 1 | — | — |
| 215 | Hrubetz Oil Company | — | 3 | 0 | 1 | — | — |
| 216 | Idaho Drilling & Development | — | 3 | 0 | 1 | — | — |
| 217 | Russell Exploration& Prod Co Inc | — | 3 | 0 | 1 | — | — |
| 218 | Cass Oil Company | — | 2 | 0 | 1 | — | — |
| 219 | Chambers Operating, Inc. | — | 2 | 0 | 1 | — | — |
| 220 | Cobata Energy, Inc | — | 2 | 0 | 1 | — | — |
| 221 | Goodrich, John S. | — | 2 | 0 | 1 | — | — |
| 222 | Thomson-Monteith | — | 2 | 0 | 1 | — | — |
| 223 | Alpar Energy, LP | — | 1 | 0 | 1 | — | — |
| 224 | Asamera Oil (U.S.) Inc. | — | 1 | 0 | 1 | — | — |
| 225 | Baxter, Kelly H. | — | 1 | 0 | 1 | — | — |
| 226 | Cox Oil & Gas, Inc. | — | 1 | 0 | 1 | — | — |
| 227 | Hexagon Oil and Gas Inc. | — | 1 | 0 | 1 | — | — |
| 228 | International Oil & Gas Corp. | — | 1 | 0 | 1 | — | — |
| 229 | Jem Petroleum Corporation | — | 1 | 0 | 1 | — | — |
| 230 | King Operating Corporation | — | 1 | 0 | 1 | — | — |
| 231 | Mitchell Resources, Inc. | — | 1 | 0 | 1 | — | — |
| 232 | Riley Production, Inc. | — | 1 | 0 | 1 | — | — |
| 233 | Three J's Petroleum, Inc. | — | 1 | 0 | 1 | — | — |
| 234 | Three Span Oil & Gas, Inc. | — | 1 | 0 | 1 | — | — |
| 235 | 3A Production Company LLC | — | 0 | 0 | 1 | — | — |
| 236 | 5B Oil Company LLC | — | 0 | 0 | 1 | — | — |
| 237 | Bass Perry R. | — | 0 | 0 | 1 | — | — |
| 238 | Baxter Kelly H. Oil and Gas Co. | — | 0 | 0 | 1 | — | — |
| 239 | Bryant Jack Trustee | — | 0 | 0 | 1 | — | — |
| 240 | Cowboys Resources Corp. | — | 0 | 0 | 1 | — | — |
| 241 | Fiveash Operating Company Inc. | — | 0 | 0 | 1 | — | — |
| 242 | Fort Worth Pipe & Supply Co. | — | 0 | 0 | 1 | — | — |
| 243 | Freestone Resources Inc | — | 0 | 0 | 1 | — | — |
| 244 | Hall Oil & Gas | — | 0 | 0 | 1 | — | — |
| 245 | Harding G. B. Co. Inc. | — | 0 | 0 | 1 | — | — |
| 246 | Highmark Energy Operating LLC | — | 0 | 0 | 1 | — | — |
| 247 | High Marks Equipment Company Inc | — | 0 | 0 | 1 | — | — |
| 248 | Home Petroleum Corp. | — | 0 | 0 | 1 | — | — |
| 249 | Kastman Jack Operating Co. | — | 0 | 0 | 1 | — | — |
| 250 | Kebo Oil & Gas Inc. | — | 0 | 0 | 1 | — | — |
| 251 | Kenworthy Oil Company | — | 0 | 0 | 1 | — | — |
| 252 | King Resources Co. | — | 0 | 0 | 1 | — | — |
| 253 | La Plata Operating Co. Inc. | — | 0 | 0 | 1 | — | — |
| 254 | Legacy Reserves Operating LP | — | 0 | 0 | 1 | — | — |
| 255 | McFarland & Scobey Inc. | — | 0 | 0 | 1 | — | — |
| 256 | Moody & Thompson | — | 0 | 0 | 1 | — | — |
| 257 | Mora Energy Midland LLC | — | 0 | 0 | 1 | — | — |
| 258 | Moriah Operating LLC | — | 0 | 0 | 1 | — | — |
| 259 | New Atlantis II LLC | — | 0 | 0 | 1 | — | — |
| 260 | New Height Energy LLC | — | 0 | 0 | 1 | — | — |
| 261 | Ogris Operating LLC | — | 0 | 0 | 1 | — | — |
| 262 | Osr Oil & Gas Company | — | 0 | 0 | 1 | — | — |
| 263 | P4 Operating LLC | — | 0 | 0 | 1 | — | — |
| 264 | Pace Production Co. | — | 0 | 0 | 1 | — | — |
| 265 | Penick Casing Pulling Inc. | — | 0 | 0 | 1 | — | — |
| 266 | Penroc Oil Corp. | — | 0 | 0 | 1 | — | — |
| 267 | Perry Producing Company Inc. | — | 0 | 0 | 1 | — | — |
| 268 | Petex | — | 0 | 0 | 1 | — | — |
| 269 | Petra Oleum Corp. | — | 0 | 0 | 1 | — | — |
| 270 | Philmore Oil Co. Inc. | — | 0 | 0 | 1 | — | — |
| 271 | Presco | — | 0 | 0 | 1 | — | — |
| 272 | Pure Resources L.P. | — | 0 | 0 | 1 | — | — |
| 273 | Pyro Energy Corp. | — | 0 | 0 | 1 | — | — |
| 274 | Red Wing Operating | — | 0 | 0 | 1 | — | — |
| 275 | Remuda Operating Company | — | 0 | 0 | 1 | — | — |
| 276 | Reservoir Fluid Solutions LLC | — | 0 | 0 | 1 | — | — |
| 277 | Revilo Royalty Co. | — | 0 | 0 | 1 | — | — |
| 278 | Roon Energy Inc. | — | 0 | 0 | 1 | — | — |
| 279 | Savannah Ross and Company LLC | — | 0 | 0 | 1 | — | — |
| 280 | Scythian Ltd. | — | 0 | 0 | 1 | — | — |
| 281 | Shamrock Investment Co. Inc. | — | 0 | 0 | 1 | — | — |
| 282 | Shenandoah Petroleum Corporation | — | 0 | 0 | 1 | — | — |
| 283 | Sidco | — | 0 | 0 | 1 | — | — |
| 284 | Smith Brothers Oil & Gas Inc. | — | 0 | 0 | 1 | — | — |
| 285 | S & M Royalty | — | 0 | 0 | 1 | — | — |
| 286 | Soma Energy Inc. | — | 0 | 0 | 1 | — | — |
| 287 | Southwestern Resources Inc. | — | 0 | 0 | 1 | — | — |
| 288 | Stephenson G. Robbin | — | 0 | 0 | 1 | — | — |
| 289 | Tacor Resources Inc | — | 0 | 0 | 1 | — | — |
| 290 | Thompson Pipe & Supply | — | 0 | 0 | 1 | — | — |
| 291 | TX WT LLC | — | 0 | 0 | 1 | — | — |
| 292 | United Oil & Shale LLC | — | 0 | 0 | 1 | — | — |
| 293 | W & W Properties | — | 0 | 0 | 1 | — | — |
| 294 | Mobil Producing TX. & N.M. Inc. | — | 166 | 0 | 0 | — | — |
| 295 | Parker & Parsley Development L.P | — | 150 | 0 | 0 | — | — |
| 296 | Cimarex Energy Co. of Colorado | — | 102 | 0 | 0 | — | — |
| 297 | Gruy Petroleum Management Co. | — | 96 | 0 | 0 | — | — |
| 298 | Ray, D. L. Inc. | — | 84 | 0 | 0 | — | — |
| 299 | Merit Energy Company | — | 74 | 0 | 0 | — | — |
| 300 | Hrubetz Operating Company | — | 71 | 0 | 0 | — | — |