| 1 | Upp Operating, LLC | 15 | 23 | 2 | 5,537 | May 7, 2024 | Dec 15, 2025 |
| 2 | Robert C. Brower LLC | — | 0 | 0 | 456 | — | — |
| 3 | Young Marshall R. Oil Co. | — | 0 | 0 | 316 | — | — |
| 4 | Highmount Expl & Prod Texas LLC | — | 639 | 0 | 228 | — | — |
| 5 | Smith Pipe of Abilene | — | 0 | 0 | 190 | — | — |
| 6 | Henry Petroleum LLC | — | 0 | 0 | 109 | — | — |
| 7 | HNG Oil Company | — | 393 | 0 | 88 | — | — |
| 8 | Rocking R Investments, Inc. | — | 11 | 0 | 87 | — | — |
| 9 | Dominion Oklahoma Texas E&P, Inc | — | 2,807 | 0 | 74 | — | — |
| 10 | Enervest Operating, L.L.C. | — | 6 | 0 | 63 | — | — |
| 11 | Toc Energy Resources LLC | — | 0 | 0 | 62 | — | — |
| 12 | American Exploration Company | — | 216 | 0 | 45 | — | — |
| 13 | O'Ryan Oil and Gas | — | 6 | 0 | 38 | — | — |
| 14 | R2Q Operating LLC | — | 0 | 0 | 36 | — | — |
| 15 | Lively Exploration Company | — | 24 | 0 | 32 | — | — |
| 16 | Cyclone Exploration, Inc. | — | 32 | 0 | 25 | — | — |
| 17 | Dreyfus, Louis Natural Gas Corp | — | 1,092 | 0 | 24 | — | — |
| 18 | Zachry Oil and Gas Properties | — | 0 | 0 | 24 | — | — |
| 19 | Enron Oil & Gas Company | — | 290 | 0 | 23 | — | — |
| 20 | Ozark Exploration, Inc. | — | 21 | 0 | 23 | — | — |
| 21 | Amoco Production Company | — | 45 | 0 | 20 | — | — |
| 22 | Barron Petroleum LLC | — | 0 | 0 | 18 | — | — |
| 23 | Anderson Energy Corporation | — | 0 | 0 | 17 | — | — |
| 24 | Fraley Resources LLC | — | 0 | 0 | 17 | — | — |
| 25 | Blackstone Energy Services LLC | — | 0 | 0 | 15 | — | — |
| 26 | Cass Oil Company | — | 45 | 0 | 14 | — | — |
| 27 | Red Stag Operating LLC | — | 0 | 0 | 13 | — | — |
| 28 | Patno Oil & Gas Company | — | 0 | 0 | 12 | — | — |
| 29 | Perlman, William | — | 118 | 0 | 11 | — | — |
| 30 | XOG Operating LLC | — | 28 | 0 | 11 | — | — |
| 31 | Silver Oil & Gas Inc. | — | 10 | 0 | 11 | — | — |
| 32 | Grace Petroleum Operating LLC | — | 0 | 0 | 11 | — | — |
| 33 | Ges Tex Well Service LLC | — | 0 | 0 | 10 | — | — |
| 34 | North Lake Resources LLC | — | 0 | 0 | 10 | — | — |
| 35 | Pioneer Gas Pipeline Inc. | — | 0 | 0 | 10 | — | — |
| 36 | KCS Medallion Resources, Inc. | — | 49 | 0 | 9 | — | — |
| 37 | Windsor Gas Corporation | — | 26 | 0 | 9 | — | — |
| 38 | Reliance Energy, Inc | — | 1 | 0 | 8 | — | — |
| 39 | Simpco | — | 0 | 0 | 8 | — | — |
| 40 | Hennico | — | 0 | 0 | 7 | — | — |
| 41 | Lolocav LLC | — | 0 | 0 | 7 | — | — |
| 42 | Tidwell Production Company | — | 0 | 0 | 7 | — | — |
| 43 | Brown, Tom Inc. | — | 45 | 0 | 6 | — | — |
| 44 | Staley Operating Co. | — | 31 | 0 | 6 | — | — |
| 45 | El Paso Natural Gas Co. | — | 61 | 0 | 5 | — | — |
| 46 | American Cometra, Inc. | — | 11 | 0 | 5 | — | — |
| 47 | Texland Petroleum Inc. | — | 6 | 0 | 5 | — | — |
| 48 | Reliance Operating Company | — | 1 | 0 | 5 | — | — |
| 49 | Anadarko E&P Company LP | — | 0 | 0 | 5 | — | — |
| 50 | Bloodworth L. P. Jr. | — | 0 | 0 | 5 | — | — |
| 51 | Johnson & Lindley LLC | — | 0 | 0 | 5 | — | — |
| 52 | Diamond Shamrock Exploration Co. | — | 44 | 0 | 4 | — | — |
| 53 | Great Western Drilling Company | — | 13 | 0 | 4 | — | — |
| 54 | Zephyr Lone Star Oper Co.,l.l.c. | — | 4 | 0 | 4 | — | — |
| 55 | Karedy Inc. | — | 0 | 0 | 4 | — | — |
| 56 | Largo Oil Company | — | 0 | 0 | 4 | — | — |
| 57 | Tucker Drilling Company, Inc. | — | 16 | 0 | 3 | — | — |
| 58 | Maxus Exploration Company | — | 1 | 0 | 3 | — | — |
| 59 | McCammon Oil & Gas, Inc. | — | 1 | 0 | 3 | — | — |
| 60 | Stewart-Martin Operating Co.,inc | — | 1 | 0 | 3 | — | — |
| 61 | Supreme Energy Company, Inc. | — | 1 | 0 | 3 | — | — |
| 62 | Colorado Anderson Petroleum Inc | — | 0 | 0 | 3 | — | — |
| 63 | Holbrook F. W. | — | 0 | 0 | 3 | — | — |
| 64 | J & M Well Salvage Company | — | 0 | 0 | 3 | — | — |
| 65 | K-Dae Production LLC | — | 0 | 0 | 3 | — | — |
| 66 | K.M.A. Operating Inc. | — | 0 | 0 | 3 | — | — |
| 67 | Parker & Parsley Development Co. | — | 0 | 0 | 3 | — | — |
| 68 | Pierce & Dehlinger | — | 0 | 0 | 3 | — | — |
| 69 | Scout Energy Management LLC | — | 0 | 0 | 3 | — | — |
| 70 | Shaida John H. | — | 0 | 0 | 3 | — | — |
| 71 | TXP Incorporated | — | 0 | 0 | 3 | — | — |
| 72 | KCS Resources, Inc. | — | 122 | 0 | 2 | — | — |
| 73 | Burlington Resources Oil&gas Co. | — | 72 | 0 | 2 | — | — |
| 74 | Graham Royalty, Ltd. | — | 52 | 0 | 2 | — | — |
| 75 | Mitchell Energy Corporation | — | 30 | 0 | 2 | — | — |
| 76 | Enserch Exploration, Inc | — | 11 | 0 | 2 | — | — |
| 77 | Grover-McKinney Oil Company | — | 8 | 0 | 2 | — | — |
| 78 | McIntyre, Norbert D. | — | 8 | 0 | 2 | — | — |
| 79 | Burns, R. L. Corporation | — | 5 | 0 | 2 | — | — |
| 80 | Rlo Partnership | — | 3 | 0 | 2 | — | — |
| 81 | Damson Oil Corp. | — | 2 | 0 | 2 | — | — |
| 82 | Isom Energy & Resources, Inc. | — | 2 | 0 | 2 | — | — |
| 83 | North American Royalties, Inc. | — | 1 | 0 | 2 | — | — |
| 84 | Patoil Corp. | — | 1 | 0 | 2 | — | — |
| 85 | Texland-Rector & Schumacher | — | 1 | 0 | 2 | — | — |
| 86 | Union Oil Company of California | — | 1 | 0 | 2 | — | — |
| 87 | Adcock Carol | — | 0 | 0 | 2 | — | — |
| 88 | Caza Operating LLC | — | 0 | 0 | 2 | — | — |
| 89 | C&J Energy Services | — | 0 | 0 | 2 | — | — |
| 90 | C & K Petroleum Inc. | — | 0 | 0 | 2 | — | — |
| 91 | Ensource Inc. | — | 0 | 0 | 2 | — | — |
| 92 | Great Northern Energy Inc | — | 0 | 0 | 2 | — | — |
| 93 | J Oil & Gas Inc. | — | 0 | 0 | 2 | — | — |
| 94 | Parker & Parsley Petroleum Co. | — | 0 | 0 | 2 | — | — |
| 95 | Robertson Resources Inc. | — | 0 | 0 | 2 | — | — |
| 96 | Rover Petroleum Operating LLC | — | 0 | 0 | 2 | — | — |
| 97 | Sonora Operating Corporation | — | 0 | 0 | 2 | — | — |
| 98 | Trinidad Petroleum Corporation | — | 0 | 0 | 2 | — | — |
| 99 | Meridian Oil Inc. | — | 338 | 0 | 1 | — | — |
| 100 | Mextex Operating Company | — | 58 | 0 | 1 | — | — |
| 101 | Burlington Resources O & G Co LP | — | 57 | 0 | 1 | — | — |
| 102 | Range Production Company | — | 30 | 0 | 1 | — | — |
| 103 | Lively Energy & Development Corp | — | 17 | 0 | 1 | — | — |
| 104 | Geochemical Surveys, Inc. | — | 11 | 0 | 1 | — | — |
| 105 | Byrd Operating Company | — | 10 | 0 | 1 | — | — |
| 106 | American Quasar Petroleum Co. | — | 9 | 0 | 1 | — | — |
| 107 | Cockrell Production Co., Inc. | — | 6 | 0 | 1 | — | — |
| 108 | Devon Energy Production Co, L.P. | — | 6 | 0 | 1 | — | — |
| 109 | Robbins Petroleum Corp. | — | 6 | 0 | 1 | — | — |
| 110 | World Producers, Inc. | — | 6 | 0 | 1 | — | — |
| 111 | King Operating Corporation | — | 5 | 0 | 1 | — | — |
| 112 | Lively Resources, Inc. | — | 4 | 0 | 1 | — | — |
| 113 | Pennzoil Company | — | 4 | 0 | 1 | — | — |
| 114 | Wes-Tex Drlg. Co. | — | 4 | 0 | 1 | — | — |
| 115 | Condra, James M. Jr. | — | 3 | 0 | 1 | — | — |
| 116 | Regal Development Inc. | — | 3 | 0 | 1 | — | — |
| 117 | Westland Oil Development Corp. | — | 3 | 0 | 1 | — | — |
| 118 | Boyd, Foy Management Corp. | — | 2 | 0 | 1 | — | — |
| 119 | Chevron U. S. A. Inc. | — | 2 | 0 | 1 | — | — |
| 120 | Inland Ocean, Inc. | — | 2 | 0 | 1 | — | — |
| 121 | Par Minerals Corporation | — | 2 | 0 | 1 | — | — |
| 122 | Pyro Energy Corp. | — | 2 | 0 | 1 | — | — |
| 123 | Shenandoah Oil Corp. | — | 2 | 0 | 1 | — | — |
| 124 | Caraway Operating Co. | — | 1 | 0 | 1 | — | — |
| 125 | Estoril Producing Corporation | — | 1 | 0 | 1 | — | — |
| 126 | Great Texas Crude Inc. | — | 1 | 0 | 1 | — | — |
| 127 | Hondo Oil & Gas Company Delaware | — | 1 | 0 | 1 | — | — |
| 128 | Longhorn Exploration | — | 1 | 0 | 1 | — | — |
| 129 | Merit Energy Company | — | 1 | 0 | 1 | — | — |
| 130 | Mulloy, J. W. Associates, Inc. | — | 1 | 0 | 1 | — | — |
| 131 | Rhoads, H. B. | — | 1 | 0 | 1 | — | — |
| 132 | Sutton Salt Water Disposal, LLC | — | 1 | 0 | 1 | — | — |
| 133 | Texas Royalty Corp. | — | 1 | 0 | 1 | — | — |
| 134 | Umc Petroleum Corporation | — | 1 | 0 | 1 | — | — |
| 135 | UV Industries, Inc. | — | 1 | 0 | 1 | — | — |
| 136 | Xeric Oil & Gas Corporation | — | 1 | 0 | 1 | — | — |
| 137 | A&a Energy LLC. | — | 0 | 0 | 1 | — | — |
| 138 | Abraxas Production Corporation | — | 0 | 0 | 1 | — | — |
| 139 | Adcock Leroy | — | 0 | 0 | 1 | — | — |
| 140 | Amoco Production Co.-Odessa | — | 0 | 0 | 1 | — | — |
| 141 | A&r Disposal Operating Co. LLC | — | 0 | 0 | 1 | — | — |
| 142 | Baker Resources | — | 0 | 0 | 1 | — | — |
| 143 | Boyd W. L. Jr. | — | 0 | 0 | 1 | — | — |
| 144 | Cadasco | — | 0 | 0 | 1 | — | — |
| 145 | Casex | — | 0 | 0 | 1 | — | — |
| 146 | Chesapeeke Bay Gas Company | — | 0 | 0 | 1 | — | — |
| 147 | Concho Oilfield Serv & Oper Co. | — | 0 | 0 | 1 | — | — |
| 148 | Creek Swab. & Roust. Ser. Inc. | — | 0 | 0 | 1 | — | — |
| 149 | Diamond T F Enterprises Inc. | — | 0 | 0 | 1 | — | — |
| 150 | Eagle Rock Operating Company LLC | — | 0 | 0 | 1 | — | — |
| 151 | Friemel & Carpenter Inc. | — | 0 | 0 | 1 | — | — |
| 152 | Frost Norman B. | — | 0 | 0 | 1 | — | — |
| 153 | Grover Maccurdy & Hoffacker | — | 0 | 0 | 1 | — | — |
| 154 | J-W Operating Co. | — | 0 | 0 | 1 | — | — |
| 155 | Lazy Two Ranch Co. LLC | — | 0 | 0 | 1 | — | — |
| 156 | Meadco Properties Ltd | — | 0 | 0 | 1 | — | — |
| 157 | Mobil Producing TX. & N.M. Inc. | — | 0 | 0 | 1 | — | — |
| 158 | Mosaic Texas LLC | — | 0 | 0 | 1 | — | — |
| 159 | Mustard Inc. | — | 0 | 0 | 1 | — | — |
| 160 | Oehlschlager F. Keith M. D. | — | 0 | 0 | 1 | — | — |
| 161 | Osborn Heirs Company | — | 0 | 0 | 1 | — | — |
| 162 | Pautsky Noel Drlg. Co. | — | 0 | 0 | 1 | — | — |
| 163 | Peninsula Resources Corp. | — | 0 | 0 | 1 | — | — |
| 164 | Ricks Exploration Inc. | — | 0 | 0 | 1 | — | — |
| 165 | Rubicon Oil & Gas LLC | — | 0 | 0 | 1 | — | — |
| 166 | Rutledge & Rutledge | — | 0 | 0 | 1 | — | — |
| 167 | Santa FE-Andover Oil Company | — | 0 | 0 | 1 | — | — |
| 168 | Stanolind Operating Corp. | — | 0 | 0 | 1 | — | — |
| 169 | Tla Capital LLC | — | 0 | 0 | 1 | — | — |
| 170 | Western States Producing Co. | — | 0 | 0 | 1 | — | — |
| 171 | West Texas Oil Reports | — | 0 | 0 | 1 | — | — |
| 172 | Whiteside Tank & Supply | — | 0 | 0 | 1 | — | — |
| 173 | Wilson & Sons Energy Inc. | — | 0 | 0 | 1 | — | — |
| 174 | Statex Petroleum Inc. | — | 127 | 0 | 0 | — | — |
| 175 | Hill, John H. | — | 64 | 0 | 0 | — | — |
| 176 | Anderson Petroleum, Inc. | — | 56 | 0 | 0 | — | — |
| 177 | Florida Exploration Co. | — | 41 | 0 | 0 | — | — |
| 178 | Samson Lone Star LP | — | 33 | 0 | 0 | — | — |
| 179 | Cass, Frank | — | 27 | 0 | 0 | — | — |
| 180 | Sonora Southwest Partnership | — | 26 | 0 | 0 | — | — |
| 181 | Gruy Petroleum Management Co. | — | 25 | 0 | 0 | — | — |
| 182 | Petroleum Equities Corp. | — | 24 | 0 | 0 | — | — |
| 183 | Grover Oil Company | — | 19 | 0 | 0 | — | — |
| 184 | Falcon Bay Energy, L.L.C | — | 16 | 0 | 0 | — | — |
| 185 | Mariner Energy, Inc. | — | 12 | 0 | 0 | — | — |
| 186 | Thompson, J. Cleo | — | 12 | 0 | 0 | — | — |
| 187 | Lovelady, Ike Inc. | — | 11 | 0 | 0 | — | — |
| 188 | Southland Royalty Company | — | 11 | 0 | 0 | — | — |
| 189 | Samson Resources Company | — | 10 | 0 | 0 | — | — |
| 190 | Andover Oil Company | — | 7 | 0 | 0 | — | — |
| 191 | Costilla Petroleum Corporation | — | 7 | 0 | 0 | — | — |
| 192 | Harrison Interests, Ltd. | — | 7 | 0 | 0 | — | — |
| 193 | Leeper Oil Exp. & Prod. Inc. | — | 7 | 0 | 0 | — | — |
| 194 | Lomak Production Company | — | 7 | 0 | 0 | — | — |
| 195 | McCann, Ted & Associates Inc. | — | 7 | 0 | 0 | — | — |
| 196 | Phillips Petroleum Company | — | 7 | 0 | 0 | — | — |
| 197 | Tug Hill Operating, LLC | — | 7 | 0 | 0 | — | — |
| 198 | Union Pacific Resources Company | — | 7 | 0 | 0 | — | — |
| 199 | EOG Resources, Inc. | — | 6 | 0 | 0 | — | — |
| 200 | Lively Energy Co. | — | 6 | 0 | 0 | — | — |
| 201 | American Public Energy Co. | — | 5 | 0 | 0 | — | — |
| 202 | Way & Mills | — | 5 | 0 | 0 | — | — |
| 203 | Athanor Texas Inc. | — | 4 | 0 | 0 | — | — |
| 204 | Devon Energy Corporation(nevada) | — | 4 | 0 | 0 | — | — |
| 205 | Gas Development Corporation | — | 4 | 0 | 0 | — | — |
| 206 | Oge Drilling, Inc. | — | 4 | 0 | 0 | — | — |
| 207 | O.G.P. Operating, Inc. | — | 4 | 0 | 0 | — | — |
| 208 | Okie Crude Company | — | 4 | 0 | 0 | — | — |
| 209 | Petroleum Corporation of Texas | — | 4 | 0 | 0 | — | — |
| 210 | Probe Oil Company | — | 4 | 0 | 0 | — | — |
| 211 | Production Lease Service, Inc. | — | 4 | 0 | 0 | — | — |
| 212 | Shaheen & Son | — | 4 | 0 | 0 | — | — |
| 213 | Shanee Oil Company, Inc. | — | 4 | 0 | 0 | — | — |
| 214 | Young, Marshall R., Oil Company | — | 4 | 0 | 0 | — | — |
| 215 | 3-M Energy Corporation | — | 3 | 0 | 0 | — | — |
| 216 | Abraxas Petroleum Corp. | — | 3 | 0 | 0 | — | — |
| 217 | Convest Energy Corporation | — | 3 | 0 | 0 | — | — |
| 218 | Cotton Petroleum Corp. | — | 3 | 0 | 0 | — | — |
| 219 | Delray Oil, Inc. | — | 3 | 0 | 0 | — | — |
| 220 | McCammon, J. H. | — | 3 | 0 | 0 | — | — |
| 221 | Pennzoil Exploration & Prod. Co. | — | 3 | 0 | 0 | — | — |
| 222 | Saber Oil & Gas Ventures, LLC | — | 3 | 0 | 0 | — | — |
| 223 | Standard Gas Production | — | 3 | 0 | 0 | — | — |
| 224 | Taurus Resources Group, Inc. | — | 3 | 0 | 0 | — | — |
| 225 | Atlantic Richfield Co. | — | 2 | 0 | 0 | — | — |
| 226 | BHP Petroleum (Americas) Inc. | — | 2 | 0 | 0 | — | — |
| 227 | Brown Company, The | — | 2 | 0 | 0 | — | — |
| 228 | Cabana Oil Corp. | — | 2 | 0 | 0 | — | — |
| 229 | Choctaw Co. | — | 2 | 0 | 0 | — | — |
| 230 | Concho Resources Inc. | — | 2 | 0 | 0 | — | — |
| 231 | Delta Drilling Co. | — | 2 | 0 | 0 | — | — |
| 232 | Diamond Chemicals Company | — | 2 | 0 | 0 | — | — |
| 233 | El Rio Oil & Gas Company | — | 2 | 0 | 0 | — | — |
| 234 | Fagin Production Corporation | — | 2 | 0 | 0 | — | — |
| 235 | Fort Worth Oil & Gas, Inc. | — | 2 | 0 | 0 | — | — |
| 236 | Franklin, J.W. Oil Operator | — | 2 | 0 | 0 | — | — |
| 237 | G-K Corporation | — | 2 | 0 | 0 | — | — |
| 238 | Havenor Operating Company | — | 2 | 0 | 0 | — | — |
| 239 | Inland Ocean Inc/Rio Grande Inc | — | 2 | 0 | 0 | — | — |
| 240 | Kerns O & G, Inc. | — | 2 | 0 | 0 | — | — |
| 241 | Lynx Energy Company, Inc. | — | 2 | 0 | 0 | — | — |
| 242 | Manhattan Petroleum, Inc. | — | 2 | 0 | 0 | — | — |
| 243 | Marshall & Winston, Inc. | — | 2 | 0 | 0 | — | — |
| 244 | Medallion Production Company | — | 2 | 0 | 0 | — | — |
| 245 | Meyer, Moritz & Company, Inc. | — | 2 | 0 | 0 | — | — |
| 246 | Petropool, Inc. | — | 2 | 0 | 0 | — | — |
| 247 | Pioneer Production Corp. | — | 2 | 0 | 0 | — | — |
| 248 | Primary Fuels, Inc. | — | 2 | 0 | 0 | — | — |
| 249 | Remuda Operating Company | — | 2 | 0 | 0 | — | — |
| 250 | Republic Engineers, Inc. | — | 2 | 0 | 0 | — | — |
| 251 | Salt Grass Exploration Inc. | — | 2 | 0 | 0 | — | — |
| 252 | Samson Exploration Company | — | 2 | 0 | 0 | — | — |
| 253 | Smith, E. L. III | — | 2 | 0 | 0 | — | — |
| 254 | Sonat Exploration Co. - Midland | — | 2 | 0 | 0 | — | — |
| 255 | Tema Oil and Gas Company | — | 2 | 0 | 0 | — | — |
| 256 | Texas Fuel Company | — | 2 | 0 | 0 | — | — |
| 257 | Twin Eagle Oil Corporation | — | 2 | 0 | 0 | — | — |
| 258 | Wil-Mc Oil Corporation, The | — | 2 | 0 | 0 | — | — |
| 259 | Yates Petroleum Corporation | — | 2 | 0 | 0 | — | — |
| 260 | Adcock, Don | — | 1 | 0 | 0 | — | — |
| 261 | Amquest Corporation | — | 1 | 0 | 0 | — | — |
| 262 | Anderson, Stephen W. Energy | — | 1 | 0 | 0 | — | — |
| 263 | Arco Oil & Gas Co. | — | 1 | 0 | 0 | — | — |
| 264 | A & R Disposal | — | 1 | 0 | 0 | — | — |
| 265 | Bracken Exploration Company | — | 1 | 0 | 0 | — | — |
| 266 | Brazos Petroleum Co. | — | 1 | 0 | 0 | — | — |
| 267 | Buckeye Energy, Inc. | — | 1 | 0 | 0 | — | — |
| 268 | C & F Petroleum, Inc. | — | 1 | 0 | 0 | — | — |
| 269 | Chesapeake Operating, Inc. | — | 1 | 0 | 0 | — | — |
| 270 | City Oil Company | — | 1 | 0 | 0 | — | — |
| 271 | City Oil Corporation | — | 1 | 0 | 0 | — | — |
| 272 | Condra, James M., Inc. | — | 1 | 0 | 0 | — | — |
| 273 | Diamond "K" Oil Co. | — | 1 | 0 | 0 | — | — |
| 274 | Dicon Enterprises, Inc. | — | 1 | 0 | 0 | — | — |
| 275 | Falcon Bay Operations, LLC | — | 1 | 0 | 0 | — | — |
| 276 | Foundation Energy Management LLC | — | 1 | 0 | 0 | — | — |
| 277 | GLG Energy, L.P. | — | 1 | 0 | 0 | — | — |
| 278 | Grand Energy, Inc. | — | 1 | 0 | 0 | — | — |
| 279 | Hamill, Claud B. | — | 1 | 0 | 0 | — | — |
| 280 | HCW Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 281 | Henry Petroleum Corp. | — | 1 | 0 | 0 | — | — |
| 282 | HMH Operators | — | 1 | 0 | 0 | — | — |
| 283 | Houston Oil & Minerals Corp. | — | 1 | 0 | 0 | — | — |
| 284 | Hugoton Energy Corporation | — | 1 | 0 | 0 | — | — |
| 285 | Ingram Enterprises, Inc. | — | 1 | 0 | 0 | — | — |
| 286 | Intercoast Oil and Gas Company | — | 1 | 0 | 0 | — | — |
| 287 | Jalon Operating Company | — | 1 | 0 | 0 | — | — |
| 288 | Jem Petroleum Corporation | — | 1 | 0 | 0 | — | — |
| 289 | Lavanco Energy, Inc. | — | 1 | 0 | 0 | — | — |
| 290 | Lone Star Oil & Gas | — | 1 | 0 | 0 | — | — |
| 291 | Lynx Operating Co., Inc. | — | 1 | 0 | 0 | — | — |
| 292 | Mallard Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 293 | May Petroleum-High Plains Expl. | — | 1 | 0 | 0 | — | — |
| 294 | McCabe Energy, Inc. | — | 1 | 0 | 0 | — | — |
| 295 | Newhall Resources | — | 1 | 0 | 0 | — | — |
| 296 | Norwood, Arvin Drilling Co. | — | 1 | 0 | 0 | — | — |
| 297 | Pantera Energy Company | — | 1 | 0 | 0 | — | — |
| 298 | Petro. Expl. & Dev. Funds, Inc. | — | 1 | 0 | 0 | — | — |
| 299 | Pjo Partnership | — | 1 | 0 | 0 | — | — |
| 300 | Pogo Producing Co. | — | 1 | 0 | 0 | — | — |