| 1 | Hilcorp Energy Company | — | 69 | 0 | 2,027 | — | — |
| 2 | Zapata Minerals Inc. | — | 0 | 0 | 371 | — | — |
| 3 | Merit Energy Company | — | 12 | 0 | 342 | — | — |
| 4 | Synthetic Energy Corporation | — | 9 | 0 | 231 | — | — |
| 5 | Sue-Ann Operating, L.C. | — | 1 | 0 | 217 | — | — |
| 6 | Mountain V Texas LLC | — | 0 | 0 | 136 | — | — |
| 7 | Energy 2000, Inc. | — | 1 | 0 | 129 | — | — |
| 8 | Thrash Oil & Gas Co. | — | 111 | 0 | 109 | — | — |
| 9 | Varas Energy Operating Company | — | 0 | 0 | 105 | — | — |
| 10 | Conocophillips Company | — | 371 | 0 | 101 | — | — |
| 11 | Paleo Oil Company LLC | — | 0 | 0 | 99 | — | — |
| 12 | EOG Resources, Inc. | — | 256 | 0 | 90 | — | — |
| 13 | Chevron U. S. A. Inc. | — | 305 | 0 | 85 | — | — |
| 14 | Bordertown Energy Resources, LLC | — | 1 | 0 | 84 | — | — |
| 15 | Enron Oil & Gas Company | — | 580 | 0 | 80 | — | — |
| 16 | Killam Oil Co., Ltd. | — | 51 | 0 | 73 | — | — |
| 17 | Conoco Inc. | — | 524 | 0 | 57 | — | — |
| 18 | Dominion Expl. & Prod., Inc. | — | 107 | 0 | 56 | — | — |
| 19 | XTO Energy Inc. | — | 11 | 0 | 45 | — | — |
| 20 | Houston Exploration Company, The | — | 533 | 0 | 44 | — | — |
| 21 | Transamerican Natural Gas Corp. | — | 407 | 0 | 44 | — | — |
| 22 | Beehive Operating LLC | — | 0 | 0 | 40 | — | — |
| 23 | Chesapeake Operating, Inc. | — | 276 | 0 | 36 | — | — |
| 24 | Villalon J. Antonio Trustee | — | 0 | 0 | 36 | — | — |
| 25 | Transtexas Gas Corporation | — | 277 | 0 | 35 | — | — |
| 26 | Vantage Operating II LLC | — | 0 | 0 | 25 | — | — |
| 27 | Pennzoil Exploration & Prod. Co. | — | 93 | 0 | 24 | — | — |
| 28 | Pennzoil Producing Co. | — | 106 | 0 | 22 | — | — |
| 29 | HNG Oil Company | — | 128 | 0 | 21 | — | — |
| 30 | Arco Oil & Gas Co. | — | 66 | 0 | 21 | — | — |
| 31 | Killam Oil Company | — | 49 | 0 | 21 | — | — |
| 32 | Pogo Producing Company LLC | — | 35 | 0 | 21 | — | — |
| 33 | Zapata Oil Partners L.L.C. | — | 0 | 0 | 21 | — | — |
| 34 | Zapata Minerals Co. | — | 0 | 0 | 20 | — | — |
| 35 | Coastal Oil & Gas Corporation | — | 106 | 0 | 19 | — | — |
| 36 | Eagle 5 Energy Services LLC | — | 26 | 0 | 19 | — | — |
| 37 | Block T Petroleum Inc. | — | 0 | 0 | 19 | — | — |
| 38 | Arete Operating Company II LLC | — | 0 | 0 | 18 | — | — |
| 39 | Petrovybe Opco LLC | — | 0 | 0 | 18 | — | — |
| 40 | Gulf Oil Corp. | — | 79 | 0 | 16 | — | — |
| 41 | North Central Oil Corp. | — | 253 | 0 | 15 | — | — |
| 42 | Flores-San Miguel Inc. | — | 0 | 0 | 15 | — | — |
| 43 | TXO Production Corp. | — | 62 | 0 | 14 | — | — |
| 44 | NI Energy LLC | — | 0 | 0 | 14 | — | — |
| 45 | Devon Energy Production Co, L.P. | — | 101 | 0 | 13 | — | — |
| 46 | Wagner Oil Company | — | 32 | 0 | 13 | — | — |
| 47 | Lucky Lad Energy LLC | — | 0 | 0 | 13 | — | — |
| 48 | Three C Exploration LLC | — | 0 | 0 | 13 | — | — |
| 49 | Shell Western E&P Inc. | — | 31 | 0 | 12 | — | — |
| 50 | Texpro, Inc. | — | 8 | 0 | 12 | — | — |
| 51 | Vantage Operating, LLC | — | 5 | 0 | 12 | — | — |
| 52 | EP Energy E&P Company, L.P. | — | 2 | 0 | 11 | — | — |
| 53 | Gecko Oil & Gas, Inc. | — | 1 | 0 | 11 | — | — |
| 54 | Pierco Energy Corp. | — | 0 | 0 | 11 | — | — |
| 55 | S M K Energy Corporation | — | 43 | 0 | 10 | — | — |
| 56 | Sanchez-O'Brien Oil & Gas Corp. | — | 29 | 0 | 10 | — | — |
| 57 | Perez H. F. | — | 0 | 0 | 10 | — | — |
| 58 | Satco Inc. | — | 0 | 0 | 10 | — | — |
| 59 | Hughes, Dan A. Company, L.P. | — | 11 | 0 | 9 | — | — |
| 60 | Altalay STX LLC | — | 6 | 0 | 9 | — | — |
| 61 | Arete Operating Company, LLC | — | 4 | 0 | 9 | — | — |
| 62 | Proline Energy Resources Inc | — | 0 | 0 | 9 | — | — |
| 63 | GHR Energy Corp. | — | 115 | 0 | 8 | — | — |
| 64 | Forest Oil Corporation | — | 114 | 0 | 8 | — | — |
| 65 | Amerada Hess Corporation | — | 50 | 0 | 8 | — | — |
| 66 | Zachry, H. B. Company | — | 34 | 0 | 8 | — | — |
| 67 | L.O.G. Energy Exploration, Ltd. | — | 21 | 0 | 8 | — | — |
| 68 | Texas Oil & Gas Corp. | — | 16 | 0 | 8 | — | — |
| 69 | EL Paso E & P Company, L. P. | — | 7 | 0 | 8 | — | — |
| 70 | Finaly Resources LLC | — | 0 | 0 | 8 | — | — |
| 71 | Ricochet Energy, Inc. | — | 64 | 0 | 7 | — | — |
| 72 | Gulf Energy Producing Company | — | 24 | 0 | 7 | — | — |
| 73 | Amax Oil & Gas Inc. | — | 11 | 0 | 7 | — | — |
| 74 | Corona Oil Company | — | 5 | 0 | 7 | — | — |
| 75 | Freberg Doug & Sexton William R. | — | 0 | 0 | 7 | — | — |
| 76 | Rio Grande Valley Gas Co. | — | 0 | 0 | 7 | — | — |
| 77 | Laredo Energy | — | 107 | 0 | 6 | — | — |
| 78 | Newfield Exploration Company | — | 44 | 0 | 6 | — | — |
| 79 | Hughes, Dan A. Company | — | 16 | 0 | 6 | — | — |
| 80 | Mortimer Production Company | — | 1 | 0 | 6 | — | — |
| 81 | North American Production Co. | — | 1 | 0 | 6 | — | — |
| 82 | Cfo Resources Inc. | — | 0 | 0 | 6 | — | — |
| 83 | Dugger Glenn | — | 0 | 0 | 6 | — | — |
| 84 | Operator P-5 Not on File | — | 0 | 0 | 6 | — | — |
| 85 | Sonitt Petroleum Corp. | — | 0 | 0 | 6 | — | — |
| 86 | EL Paso E&P Zapata, L.P. | — | 95 | 0 | 5 | — | — |
| 87 | Good Hope Refineries, Inc. | — | 78 | 0 | 5 | — | — |
| 88 | Michael Petroleum Corporation | — | 18 | 0 | 5 | — | — |
| 89 | Bluestone Natural Res. II, LLC | — | 15 | 0 | 5 | — | — |
| 90 | McCabe, J. C. | — | 12 | 0 | 5 | — | — |
| 91 | Hughes & Hughes | — | 11 | 0 | 5 | — | — |
| 92 | Montecristo Exploration, Inc. | — | 11 | 0 | 5 | — | — |
| 93 | Mueller Engineering Corp. | — | 11 | 0 | 5 | — | — |
| 94 | Kovar Operating, LLC | — | 9 | 0 | 5 | — | — |
| 95 | Ridgeline Energy Inc. | — | 8 | 0 | 5 | — | — |
| 96 | Cantera Operating, LLC | — | 6 | 0 | 5 | — | — |
| 97 | Kleiner,c.j.est.-Turner & Fiske | — | 1 | 0 | 5 | — | — |
| 98 | Columbus Energy LLC | — | 0 | 0 | 5 | — | — |
| 99 | GGP Exploration Ltd. | — | 0 | 0 | 5 | — | — |
| 100 | Key Energy Services LLC | — | 0 | 0 | 5 | — | — |
| 101 | Silver Fox Oil & Gas LLC | — | 0 | 0 | 5 | — | — |
| 102 | TD Natural Resources LLC | — | 0 | 0 | 5 | — | — |
| 103 | Three-C Oil and Gas | — | 0 | 0 | 5 | — | — |
| 104 | Dynamic Production, Inc. | — | 43 | 0 | 4 | — | — |
| 105 | Peoples Energy Prod.-TX, L.P. | — | 41 | 0 | 4 | — | — |
| 106 | Texaco Inc. | — | 33 | 0 | 4 | — | — |
| 107 | EL Paso Production Oil & Gas Co. | — | 27 | 0 | 4 | — | — |
| 108 | Cody Energy LLC | — | 24 | 0 | 4 | — | — |
| 109 | Mobil Producing TX. & N.M. Inc. | — | 24 | 0 | 4 | — | — |
| 110 | Shell Western E&P | — | 24 | 0 | 4 | — | — |
| 111 | Denali Oil & Gas Management, LLC | — | 22 | 0 | 4 | — | — |
| 112 | Gas Producing Enterprises, Inc. | — | 20 | 0 | 4 | — | — |
| 113 | Columbus Energy Corp. | — | 17 | 0 | 4 | — | — |
| 114 | Pennzoil Company | — | 16 | 0 | 4 | — | — |
| 115 | Reichmann Petroleum Corp. | — | 16 | 0 | 4 | — | — |
| 116 | Eagle Oil & Gas Co. | — | 13 | 0 | 4 | — | — |
| 117 | Bridge Oil Production Co., Inc. | — | 10 | 0 | 4 | — | — |
| 118 | Coastal States Gas Prod. Co. | — | 7 | 0 | 4 | — | — |
| 119 | Torch Operating Company | — | 7 | 0 | 4 | — | — |
| 120 | Hanson Production Company | — | 4 | 0 | 4 | — | — |
| 121 | Central Producers, Inc. | — | 1 | 0 | 4 | — | — |
| 122 | Crimson Exploration Oper., Inc. | — | 1 | 0 | 4 | — | — |
| 123 | Fran Investments Inc. | — | 0 | 0 | 4 | — | — |
| 124 | Gulf Energy Development Corp. | — | 0 | 0 | 4 | — | — |
| 125 | Hope Production Company | — | 0 | 0 | 4 | — | — |
| 126 | Hugoton Operating Company Inc. | — | 0 | 0 | 4 | — | — |
| 127 | Ineos USA Oil & Gas LLC | — | 0 | 0 | 4 | — | — |
| 128 | Kimmell C. E. | — | 0 | 0 | 4 | — | — |
| 129 | Magnum Producing LP | — | 0 | 0 | 4 | — | — |
| 130 | Marwell Petroleum Ltd Partnrship | — | 0 | 0 | 4 | — | — |
| 131 | Samson Lone Star LP | — | 31 | 0 | 3 | — | — |
| 132 | Tenneco Oil Co. | — | 28 | 0 | 3 | — | — |
| 133 | Wagner & Brown, Ltd. | — | 26 | 0 | 3 | — | — |
| 134 | Border Exploration Co. | — | 21 | 0 | 3 | — | — |
| 135 | Bellwether Exploration Company | — | 11 | 0 | 3 | — | — |
| 136 | Kilroy Company of Texas, Inc. | — | 10 | 0 | 3 | — | — |
| 137 | Energy Development Corp. | — | 9 | 0 | 3 | — | — |
| 138 | Bay Rock Operating Company | — | 3 | 0 | 3 | — | — |
| 139 | Cotton, W. L. | — | 3 | 0 | 3 | — | — |
| 140 | Bridge Oil Company, L. P. | — | 2 | 0 | 3 | — | — |
| 141 | Dominion Oklahoma Texas E&P, Inc | — | 2 | 0 | 3 | — | — |
| 142 | Kerr-McGee Oil & Gas Onshore LP | — | 2 | 0 | 3 | — | — |
| 143 | Arthur & Arthur Inc. | — | 1 | 0 | 3 | — | — |
| 144 | Continental Operating Co. | — | 1 | 0 | 3 | — | — |
| 145 | Black Bear Oil Corporation | — | 0 | 0 | 3 | — | — |
| 146 | Calpine Natural Gas L.P. | — | 0 | 0 | 3 | — | — |
| 147 | Chesapeake Operating L.L.C. | — | 0 | 0 | 3 | — | — |
| 148 | Cougar Gathering Corporation | — | 0 | 0 | 3 | — | — |
| 149 | Digital Operating Company LLC | — | 0 | 0 | 3 | — | — |
| 150 | Dolphin Petroleum LP | — | 0 | 0 | 3 | — | — |
| 151 | Falcon Production Co. | — | 0 | 0 | 3 | — | — |
| 152 | Hedge Oil Co. | — | 0 | 0 | 3 | — | — |
| 153 | Kendrick Barbara S. | — | 0 | 0 | 3 | — | — |
| 154 | Newgulf Petroleum LLC | — | 0 | 0 | 3 | — | — |
| 155 | Petroleum Corporation of Texas | — | 0 | 0 | 3 | — | — |
| 156 | Rowden Ralph | — | 0 | 0 | 3 | — | — |
| 157 | TX Energy Services LLC | — | 0 | 0 | 3 | — | — |
| 158 | Unit Petroleum Company | — | 0 | 0 | 3 | — | — |
| 159 | Yates Operating Corp. | — | 0 | 0 | 3 | — | — |
| 160 | Pogo Producing Company | — | 82 | 0 | 2 | — | — |
| 161 | KCS Resources, Inc. | — | 30 | 0 | 2 | — | — |
| 162 | Mustang Oil & Gas Corporation | — | 28 | 0 | 2 | — | — |
| 163 | Holden Energy Corporation | — | 19 | 0 | 2 | — | — |
| 164 | Paladar Investments I, L.L.C. | — | 18 | 0 | 2 | — | — |
| 165 | Enercorp Resources, Inc. | — | 17 | 0 | 2 | — | — |
| 166 | Newman Operating Company | — | 14 | 0 | 2 | — | — |
| 167 | Pennzenergy Exp. & Prod., L.L.C. | — | 12 | 0 | 2 | — | — |
| 168 | Comstock Oil & Gas, LP | — | 9 | 0 | 2 | — | — |
| 169 | Elliott Oil & Gas Company | — | 8 | 0 | 2 | — | — |
| 170 | Tri-C Resources, Inc. | — | 6 | 0 | 2 | — | — |
| 171 | Coates Energy Trust | — | 5 | 0 | 2 | — | — |
| 172 | Lobo Resources, Ltd. | — | 4 | 0 | 2 | — | — |
| 173 | Natural Reserves Group, Inc. | — | 4 | 0 | 2 | — | — |
| 174 | Canus Petroleum, Inc. | — | 3 | 0 | 2 | — | — |
| 175 | Elliott Oil & Gas Operating Co. | — | 3 | 0 | 2 | — | — |
| 176 | Noble Energy Inc | — | 3 | 0 | 2 | — | — |
| 177 | Prize Operating Company | — | 3 | 0 | 2 | — | — |
| 178 | Exxon Corp. | — | 2 | 0 | 2 | — | — |
| 179 | Pioneer Resources Producing, L.P | — | 2 | 0 | 2 | — | — |
| 180 | Eex E&P Company, L.P. | — | 1 | 0 | 2 | — | — |
| 181 | Milagro Exploration, LLC | — | 1 | 0 | 2 | — | — |
| 182 | OXY USA Inc. | — | 1 | 0 | 2 | — | — |
| 183 | Amrwr LLC | — | 0 | 0 | 2 | — | — |
| 184 | Bustamante Oil Company | — | 0 | 0 | 2 | — | — |
| 185 | Central Gulf Petroleum Inc | — | 0 | 0 | 2 | — | — |
| 186 | Choctaw II Oil & Gas Ltd. | — | 0 | 0 | 2 | — | — |
| 187 | Devon Energy Corporation(nevada) | — | 0 | 0 | 2 | — | — |
| 188 | Doran Energy Corporation | — | 0 | 0 | 2 | — | — |
| 189 | Eagle Capital Partners LLC | — | 0 | 0 | 2 | — | — |
| 190 | Enerquest Operating L.L.C. | — | 0 | 0 | 2 | — | — |
| 191 | Fox Hewitt B. Inc. | — | 0 | 0 | 2 | — | — |
| 192 | Gas Transmission Organizationinc | — | 0 | 0 | 2 | — | — |
| 193 | Holmes Oil Inc. | — | 0 | 0 | 2 | — | — |
| 194 | Jin Petroleum LLC | — | 0 | 0 | 2 | — | — |
| 195 | Laredo Energy Operating LLC | — | 0 | 0 | 2 | — | — |
| 196 | Mag Exploration LLC | — | 0 | 0 | 2 | — | — |
| 197 | Magnum Producing & Operating Co. | — | 0 | 0 | 2 | — | — |
| 198 | Midwest Operating LLC | — | 0 | 0 | 2 | — | — |
| 199 | Miller & Fox Minerals Corp. | — | 0 | 0 | 2 | — | — |
| 200 | Norgas Energy | — | 0 | 0 | 2 | — | — |
| 201 | Protech Oil & Gas Services LLC | — | 0 | 0 | 2 | — | — |
| 202 | Ritter Properties Ltd. | — | 0 | 0 | 2 | — | — |
| 203 | Southern Pet. Expl. Inc. | — | 0 | 0 | 2 | — | — |
| 204 | Sun Exploration & Production Co. | — | 0 | 0 | 2 | — | — |
| 205 | The Medusa Company | — | 0 | 0 | 2 | — | — |
| 206 | Tipco | — | 0 | 0 | 2 | — | — |
| 207 | Vela Victor H. | — | 0 | 0 | 2 | — | — |
| 208 | Vision Oil and Gas LLC | — | 0 | 0 | 2 | — | — |
| 209 | Zachry Exploration Inc. | — | 0 | 0 | 2 | — | — |
| 210 | Union Pacific Resources Company | — | 58 | 0 | 1 | — | — |
| 211 | Shell Oil Company | — | 45 | 0 | 1 | — | — |
| 212 | Killam & Hurd, Ltd. | — | 32 | 0 | 1 | — | — |
| 213 | SPG Exploration, Corp. | — | 32 | 0 | 1 | — | — |
| 214 | Parker & Parsley Development L.P | — | 21 | 0 | 1 | — | — |
| 215 | Hunt, Wm. Herbert, Trust Est. | — | 18 | 0 | 1 | — | — |
| 216 | Mote Resources, Inc. | — | 18 | 0 | 1 | — | — |
| 217 | United Resources LP | — | 14 | 0 | 1 | — | — |
| 218 | Coronado Energy E&P Company, LLC | — | 10 | 0 | 1 | — | — |
| 219 | Manges, Clinton | — | 9 | 0 | 1 | — | — |
| 220 | Otex Energy Inc. | — | 6 | 0 | 1 | — | — |
| 221 | Comstock Oil & Gas, Inc. | — | 5 | 0 | 1 | — | — |
| 222 | Consolidated Oil & Gas, Inc. | — | 5 | 0 | 1 | — | — |
| 223 | Acock Operating Limited | — | 4 | 0 | 1 | — | — |
| 224 | Argent Energy (US) Holdings Inc. | — | 4 | 0 | 1 | — | — |
| 225 | Aruba Petroleum, Inc. | — | 4 | 0 | 1 | — | — |
| 226 | G D K, Inc. | — | 4 | 0 | 1 | — | — |
| 227 | Smith Production Inc. | — | 4 | 0 | 1 | — | — |
| 228 | Acock/Anaqua Operating Co., LP | — | 3 | 0 | 1 | — | — |
| 229 | Entex Petr., Inc. | — | 3 | 0 | 1 | — | — |
| 230 | Forbes, C. C. Company | — | 3 | 0 | 1 | — | — |
| 231 | Houston Oil & Minerals Corp. | — | 3 | 0 | 1 | — | — |
| 232 | Hurd Enterprises, Ltd. | — | 3 | 0 | 1 | — | — |
| 233 | Anderson Oil Corporation | — | 2 | 0 | 1 | — | — |
| 234 | BNR Operating, LLC | — | 2 | 0 | 1 | — | — |
| 235 | Cox Oil & Gas, Inc. | — | 2 | 0 | 1 | — | — |
| 236 | Hayes Oil & Gas Co. | — | 2 | 0 | 1 | — | — |
| 237 | Stivers Inc | — | 2 | 0 | 1 | — | — |
| 238 | Atasca Resources, Inc. | — | 1 | 0 | 1 | — | — |
| 239 | Bellows, Dewey Oper. Co., Ltd. | — | 1 | 0 | 1 | — | — |
| 240 | BFD Energy Corporation | — | 1 | 0 | 1 | — | — |
| 241 | Dale Operating Company | — | 1 | 0 | 1 | — | — |
| 242 | Enervest Operating, L.L.C. | — | 1 | 0 | 1 | — | — |
| 243 | Great Western Drlg. Co. | — | 1 | 0 | 1 | — | — |
| 244 | Hughes Texas Petroleum, Ltd. | — | 1 | 0 | 1 | — | — |
| 245 | McCaleb & Davis | — | 1 | 0 | 1 | — | — |
| 246 | Mohican Operating, L.L.C. | — | 1 | 0 | 1 | — | — |
| 247 | Mormac Energy Corporation | — | 1 | 0 | 1 | — | — |
| 248 | Paragon Resources, Inc. | — | 1 | 0 | 1 | — | — |
| 249 | Petro-Hunt, L.L.C. | — | 1 | 0 | 1 | — | — |
| 250 | Pressly Oil Interest, Inc. | — | 1 | 0 | 1 | — | — |
| 251 | Samedan Oil Corporation | — | 1 | 0 | 1 | — | — |
| 252 | Texcan Resources Corp. | — | 1 | 0 | 1 | — | — |
| 253 | Transamerican-Amer. Coastal Corp | — | 1 | 0 | 1 | — | — |
| 254 | Transcon Energy Corporation | — | 1 | 0 | 1 | — | — |
| 255 | Anadarko E&P Company LP | — | 0 | 0 | 1 | — | — |
| 256 | Atlantic Richfield Co. | — | 0 | 0 | 1 | — | — |
| 257 | Atlas Operating LLC | — | 0 | 0 | 1 | — | — |
| 258 | Beaver Oil & Gas Operating LLC | — | 0 | 0 | 1 | — | — |
| 259 | Bes Environmental Services Inc. | — | 0 | 0 | 1 | — | — |
| 260 | Bluestone Natural Resources LLC | — | 0 | 0 | 1 | — | — |
| 261 | Cabre Exploration Inc. | — | 0 | 0 | 1 | — | — |
| 262 | Calpine Natural Gas Company | — | 0 | 0 | 1 | — | — |
| 263 | CJ Petroleum Services LLC | — | 0 | 0 | 1 | — | — |
| 264 | Colorado Oil Co. Inc. | — | 0 | 0 | 1 | — | — |
| 265 | Continental Exploration L.L.C. | — | 0 | 0 | 1 | — | — |
| 266 | Cowan J. H. & Turner R. C. | — | 0 | 0 | 1 | — | — |
| 267 | Crest Resources Inc. | — | 0 | 0 | 1 | — | — |
| 268 | Delange Rodney Etal | — | 0 | 0 | 1 | — | — |
| 269 | Delta Seaboard Well SVC Inc. | — | 0 | 0 | 1 | — | — |
| 270 | Dogwood Operating Company Inc. | — | 0 | 0 | 1 | — | — |
| 271 | Doran W. H. Jr. | — | 0 | 0 | 1 | — | — |
| 272 | Eagle Natural Resources LLC | — | 0 | 0 | 1 | — | — |
| 273 | Escudo Oil & Gas LLC | — | 0 | 0 | 1 | — | — |
| 274 | Flores Ruben Dr. | — | 0 | 0 | 1 | — | — |
| 275 | Frio Production Co. | — | 0 | 0 | 1 | — | — |
| 276 | Gas Transmission Organization | — | 0 | 0 | 1 | — | — |
| 277 | Hamon Jake L. | — | 0 | 0 | 1 | — | — |
| 278 | J. & M. Well Service Inc. | — | 0 | 0 | 1 | — | — |
| 279 | Jurassic Exploration Inc. | — | 0 | 0 | 1 | — | — |
| 280 | Kaiser-Francis Oil Company | — | 0 | 0 | 1 | — | — |
| 281 | King Resources Co. | — | 0 | 0 | 1 | — | — |
| 282 | Kosata Energy Inc. | — | 0 | 0 | 1 | — | — |
| 283 | Lakeshore Operating LLC | — | 0 | 0 | 1 | — | — |
| 284 | Las Lomas Services LLC | — | 0 | 0 | 1 | — | — |
| 285 | L & F Drilling Co. | — | 0 | 0 | 1 | — | — |
| 286 | Linn Operating LLC | — | 0 | 0 | 1 | — | — |
| 287 | Livingston Oil Co. | — | 0 | 0 | 1 | — | — |
| 288 | Mid River Midstream LLC | — | 0 | 0 | 1 | — | — |
| 289 | Miles Production Co. | — | 0 | 0 | 1 | — | — |
| 290 | Millennium Exploration Co. LLC | — | 0 | 0 | 1 | — | — |
| 291 | Miller & Fox Drilling Corp. | — | 0 | 0 | 1 | — | — |
| 292 | Oak Valley Operating LLC | — | 0 | 0 | 1 | — | — |
| 293 | Omta Operating LLC | — | 0 | 0 | 1 | — | — |
| 294 | Parker & Parsley Producing L.P. | — | 0 | 0 | 1 | — | — |
| 295 | Pintail Production Co. Inc. | — | 0 | 0 | 1 | — | — |
| 296 | Prevail Energy Incorporated | — | 0 | 0 | 1 | — | — |
| 297 | Raker Resources LLC | — | 0 | 0 | 1 | — | — |
| 298 | Remora Operating LLC | — | 0 | 0 | 1 | — | — |
| 299 | Ress Production Co. | — | 0 | 0 | 1 | — | — |
| 300 | Sanchez-O Brien & Watson Oil Cor | — | 0 | 0 | 1 | — | — |