| 1 | Highmark Energy Operating LLC | — | 0 | 0 | 644 | — | — |
| 2 | Exxon Corp. | — | 275 | 0 | 299 | — | — |
| 3 | Zinn Petroleum Company | — | 0 | 0 | 113 | — | — |
| 4 | Daylight Petroleum LLC | — | 1 | 0 | 54 | — | — |
| 5 | Atlantic Richfield Co. | — | 0 | 0 | 47 | — | — |
| 6 | Getty Oil Co. | — | 1 | 0 | 45 | — | — |
| 7 | Mitchell Energy Corporation | — | 135 | 0 | 41 | — | — |
| 8 | Sun Exploration & Production Co. | — | 4 | 0 | 39 | — | — |
| 9 | Shell Oil Company | — | 8 | 0 | 30 | — | — |
| 10 | Hester, B. M. | — | 6 | 0 | 26 | — | — |
| 11 | Texaco Inc. | — | 1 | 0 | 21 | — | — |
| 12 | Wheeler Operating Corporation | — | 32 | 0 | 19 | — | — |
| 13 | Famcor Oil, Inc. | — | 39 | 0 | 15 | — | — |
| 14 | Hines D. C. & W. J. | — | 0 | 0 | 15 | — | — |
| 15 | Exxon Mobil Corporation | — | 64 | 0 | 14 | — | — |
| 16 | Devon Energy Production Co, L.P. | — | 39 | 0 | 14 | — | — |
| 17 | Amoco Production Company | — | 0 | 0 | 13 | — | — |
| 18 | Superior Oil Company, The | — | 39 | 0 | 9 | — | — |
| 19 | Moncrief, W. A., Jr. | — | 1 | 0 | 9 | — | — |
| 20 | Sydri Operating, LLC | — | 19 | 0 | 8 | — | — |
| 21 | Wapiti Operating, LLC | — | 14 | 0 | 8 | — | — |
| 22 | Halbouty, Michel T. | — | 1 | 0 | 8 | — | — |
| 23 | Moran Corporation, The | — | 2 | 0 | 7 | — | — |
| 24 | Bellwether Exploration Company | — | 0 | 0 | 7 | — | — |
| 25 | Humble Oil & Refining Co. | — | 0 | 0 | 7 | — | — |
| 26 | Pgi Operating Company | — | 0 | 0 | 7 | — | — |
| 27 | Devon Energy Operating Co., L.P. | — | 10 | 0 | 6 | — | — |
| 28 | Rana Energy Company | — | 2 | 0 | 6 | — | — |
| 29 | Aikins-Owens | — | 0 | 0 | 6 | — | — |
| 30 | Brinkerhoff Oil Company | — | 0 | 0 | 6 | — | — |
| 31 | Mitchell Geo. & Assoc. Inc. | — | 0 | 0 | 6 | — | — |
| 32 | Denbury Onshore, LLC | — | 30 | 0 | 5 | — | — |
| 33 | Raven Forest Operating, LLC | — | 9 | 0 | 5 | — | — |
| 34 | Thornberry Oilfield Service, Inc | — | 1 | 0 | 5 | — | — |
| 35 | Cockfield Company Inc. | — | 0 | 0 | 5 | — | — |
| 36 | Geosouthern Energy Corporation | — | 0 | 0 | 5 | — | — |
| 37 | Hilliard-Bender Energy LLC | — | 0 | 0 | 5 | — | — |
| 38 | Legacy Corporation, The | — | 6 | 0 | 4 | — | — |
| 39 | American Petrofina Co. of Tex. | — | 4 | 0 | 4 | — | — |
| 40 | Arco Oil & Gas Co. | — | 2 | 0 | 4 | — | — |
| 41 | Magnum Producing, LP | — | 1 | 0 | 4 | — | — |
| 42 | U. S. Trust Co./J.wrightsmanlstr | — | 1 | 0 | 4 | — | — |
| 43 | Watkins, Larry A. and Assoc. | — | 1 | 0 | 4 | — | — |
| 44 | Conoco Inc. | — | 0 | 0 | 4 | — | — |
| 45 | Continental Oil Company | — | 0 | 0 | 4 | — | — |
| 46 | Gaither Petroleum Corporation | — | 0 | 0 | 4 | — | — |
| 47 | Linn Operating Inc. | — | 0 | 0 | 4 | — | — |
| 48 | Magnolia Oil & Gas Operating LLC | — | 0 | 0 | 4 | — | — |
| 49 | McCormick Oil & Gas Corp. | — | 0 | 0 | 4 | — | — |
| 50 | Hill Production Co.-Wisconsin | — | 39 | 0 | 3 | — | — |
| 51 | Galloway Energy Co. | — | 8 | 0 | 3 | — | — |
| 52 | Sun Expl. & Prod. Co.-Lafayette | — | 5 | 0 | 3 | — | — |
| 53 | Cameron, Paul E., Jr., Inc. | — | 2 | 0 | 3 | — | — |
| 54 | F.I.G. Energy, LLC | — | 2 | 0 | 3 | — | — |
| 55 | Wheeler, W. Ridley, Est. | — | 2 | 0 | 3 | — | — |
| 56 | Ashland Exploration Inc. | — | 0 | 0 | 3 | — | — |
| 57 | Chrisco Oil Company | — | 0 | 0 | 3 | — | — |
| 58 | Comet Oil & Gas Inc. | — | 0 | 0 | 3 | — | — |
| 59 | East Texas Production Mgt. Inc | — | 0 | 0 | 3 | — | — |
| 60 | Faulconer Vernon E. Inc. | — | 0 | 0 | 3 | — | — |
| 61 | Hunt Lamar Trust Estate | — | 0 | 0 | 3 | — | — |
| 62 | McAlester Fuel Co. | — | 0 | 0 | 3 | — | — |
| 63 | McCarthy Glenn H. | — | 0 | 0 | 3 | — | — |
| 64 | Price Robert R. | — | 0 | 0 | 3 | — | — |
| 65 | Xeric Oil & Gas Corporation | — | 0 | 0 | 3 | — | — |
| 66 | Mobil Producing TX. & N.M. Inc. | — | 33 | 0 | 2 | — | — |
| 67 | First Matagorda Corporation | — | 7 | 0 | 2 | — | — |
| 68 | Rse, Inc. | — | 7 | 0 | 2 | — | — |
| 69 | Cummins & Walker Oil Co., Inc. | — | 5 | 0 | 2 | — | — |
| 70 | Nasser Oil & Gas, Inc. | — | 5 | 0 | 2 | — | — |
| 71 | Goldking Prod. Co. | — | 4 | 0 | 2 | — | — |
| 72 | Pringle Petroleum, Inc. | — | 4 | 0 | 2 | — | — |
| 73 | Gould Oil Inc. | — | 3 | 0 | 2 | — | — |
| 74 | Ladd Petroleum Corp. | — | 2 | 0 | 2 | — | — |
| 75 | R & M Drilling Company | — | 2 | 0 | 2 | — | — |
| 76 | Five-Jab, Inc. | — | 1 | 0 | 2 | — | — |
| 77 | Hamilton Brothers Oil Co. | — | 1 | 0 | 2 | — | — |
| 78 | Acco Oil & Gas Company | — | 0 | 0 | 2 | — | — |
| 79 | Amerada Hess Corporation | — | 0 | 0 | 2 | — | — |
| 80 | Amerada Petroleum Corp. | — | 0 | 0 | 2 | — | — |
| 81 | Arcadia Operating LLC | — | 0 | 0 | 2 | — | — |
| 82 | Enpower Resources Inc. | — | 0 | 0 | 2 | — | — |
| 83 | Eros Operating LLC | — | 0 | 0 | 2 | — | — |
| 84 | Eurovest Oil & Gas Inc. | — | 0 | 0 | 2 | — | — |
| 85 | Field James R. | — | 0 | 0 | 2 | — | — |
| 86 | Godsey W. R. | — | 0 | 0 | 2 | — | — |
| 87 | Hines D. C. Trustee | — | 0 | 0 | 2 | — | — |
| 88 | Mariner Energy Inc. | — | 0 | 0 | 2 | — | — |
| 89 | Neil Russell E. | — | 0 | 0 | 2 | — | — |
| 90 | Pan American Petroleum Corp. | — | 0 | 0 | 2 | — | — |
| 91 | Salmon Corp. | — | 0 | 0 | 2 | — | — |
| 92 | Sinclair Carl Oil Well Service | — | 0 | 0 | 2 | — | — |
| 93 | Smith R. E. | — | 0 | 0 | 2 | — | — |
| 94 | Wainoco Oil & Gas Company | — | 0 | 0 | 2 | — | — |
| 95 | Mitchell Energy Company L.P. | — | 25 | 0 | 1 | — | — |
| 96 | Nelson, Harry E. | — | 17 | 0 | 1 | — | — |
| 97 | Subsurface Resources, Inc. | — | 12 | 0 | 1 | — | — |
| 98 | Gulfstream Petroleum Corp. | — | 9 | 0 | 1 | — | — |
| 99 | Alta Mesa Services, LP | — | 8 | 0 | 1 | — | — |
| 100 | Heisey Ventures, Inc. | — | 8 | 0 | 1 | — | — |
| 101 | Samson Lone Star LP | — | 6 | 0 | 1 | — | — |
| 102 | Brown, H.L. Operating, L.L.C. | — | 5 | 0 | 1 | — | — |
| 103 | Hill Production Co.-Wisconsin | — | 5 | 0 | 1 | — | — |
| 104 | Stone Petroleum Corporation, The | — | 5 | 0 | 1 | — | — |
| 105 | Forney, Bill, Inc. | — | 4 | 0 | 1 | — | — |
| 106 | Resaca Resources, L.L.C. | — | 4 | 0 | 1 | — | — |
| 107 | Southland Royalty Company | — | 4 | 0 | 1 | — | — |
| 108 | Standard Oil Production Company | — | 4 | 0 | 1 | — | — |
| 109 | Sue-Ann Operating Co. | — | 4 | 0 | 1 | — | — |
| 110 | Ballard Exploration Company,inc. | — | 3 | 0 | 1 | — | — |
| 111 | Delta Drilling Co. | — | 3 | 0 | 1 | — | — |
| 112 | Diasu Oil & Gas Co., Inc. | — | 3 | 0 | 1 | — | — |
| 113 | Kaiser Oil (U S) Ltd. | — | 3 | 0 | 1 | — | — |
| 114 | Cody Energy, Inc. | — | 2 | 0 | 1 | — | — |
| 115 | HNG Fossil Fuels Company | — | 2 | 0 | 1 | — | — |
| 116 | Sue-Ann Production Company | — | 2 | 0 | 1 | — | — |
| 117 | Burnett Oil Co., Inc. | — | 1 | 0 | 1 | — | — |
| 118 | Elliott Oil & Gas Operating Co. | — | 1 | 0 | 1 | — | — |
| 119 | Enterprise Resources, Inc. | — | 1 | 0 | 1 | — | — |
| 120 | Gordy Oil Company | — | 1 | 0 | 1 | — | — |
| 121 | Houston Hydrocarbons, Inc. (A) | — | 1 | 0 | 1 | — | — |
| 122 | Kaiser-Francis Oil Company | — | 1 | 0 | 1 | — | — |
| 123 | McCormick Operating Company | — | 1 | 0 | 1 | — | — |
| 124 | Sun Expl. & Prod. Co.-Houston | — | 1 | 0 | 1 | — | — |
| 125 | Adams Resources Expl. Corp. | — | 0 | 0 | 1 | — | — |
| 126 | Atlantic Richfield Co.-Corpus | — | 0 | 0 | 1 | — | — |
| 127 | Benz Claire Est of-Stoddard Dec | — | 0 | 0 | 1 | — | — |
| 128 | Braun C F & Co. | — | 0 | 0 | 1 | — | — |
| 129 | Cambridge Oil Company | — | 0 | 0 | 1 | — | — |
| 130 | Coffield H. H. | — | 0 | 0 | 1 | — | — |
| 131 | Comet Production | — | 0 | 0 | 1 | — | — |
| 132 | Condor Pipe Inc. | — | 0 | 0 | 1 | — | — |
| 133 | Durango Resources Corp. | — | 0 | 0 | 1 | — | — |
| 134 | Dynamic Production Inc. | — | 0 | 0 | 1 | — | — |
| 135 | Eclipse Services Inc. * | — | 0 | 0 | 1 | — | — |
| 136 | Forney & McCombs | — | 0 | 0 | 1 | — | — |
| 137 | Goldston Oil Corporation | — | 0 | 0 | 1 | — | — |
| 138 | Gray Wolfe Co. The | — | 0 | 0 | 1 | — | — |
| 139 | Hamill Claud B. | — | 0 | 0 | 1 | — | — |
| 140 | Huddleston Management Corp. | — | 0 | 0 | 1 | — | — |
| 141 | Hughes & Hughes | — | 0 | 0 | 1 | — | — |
| 142 | Inexco Oil Company | — | 0 | 0 | 1 | — | — |
| 143 | Keplinger Operating Company | — | 0 | 0 | 1 | — | — |
| 144 | Lewis Oil and Gas Inc. | — | 0 | 0 | 1 | — | — |
| 145 | L & G Associates Inc. | — | 0 | 0 | 1 | — | — |
| 146 | LGL Energy Inc. | — | 0 | 0 | 1 | — | — |
| 147 | MBX Operating LLC | — | 0 | 0 | 1 | — | — |
| 148 | Midhurst Oil Corp. | — | 0 | 0 | 1 | — | — |
| 149 | MS Directional LLC | — | 0 | 0 | 1 | — | — |
| 150 | Newmark American Petroleum Corp | — | 0 | 0 | 1 | — | — |
| 151 | North Central Oil Corp. | — | 0 | 0 | 1 | — | — |
| 152 | Northwest Oil Company | — | 0 | 0 | 1 | — | — |
| 153 | Operator P-5 Not on File | — | 0 | 0 | 1 | — | — |
| 154 | O Sand Production Inc. | — | 0 | 0 | 1 | — | — |
| 155 | Pacer-Atlas Inc. | — | 0 | 0 | 1 | — | — |
| 156 | Paragon Energy Inc. | — | 0 | 0 | 1 | — | — |
| 157 | Patton H. L. | — | 0 | 0 | 1 | — | — |
| 158 | P.o.&g. Operating LLC | — | 0 | 0 | 1 | — | — |
| 159 | Pure Oil Company The | — | 0 | 0 | 1 | — | — |
| 160 | Sandel Operating Company | — | 0 | 0 | 1 | — | — |
| 161 | Scott Richard | — | 0 | 0 | 1 | — | — |
| 162 | Shell Western E&P Inc. | — | 0 | 0 | 1 | — | — |
| 163 | Smith L C Production | — | 0 | 0 | 1 | — | — |
| 164 | Smith Oxsheer | — | 0 | 0 | 1 | — | — |
| 165 | South Texas Gathering Company | — | 0 | 0 | 1 | — | — |
| 166 | Tee Operating Co. | — | 0 | 0 | 1 | — | — |
| 167 | Throop Robert N. | — | 0 | 0 | 1 | — | — |
| 168 | Via Oil Company | — | 0 | 0 | 1 | — | — |
| 169 | Wrightsman Jayne L. | — | 0 | 0 | 1 | — | — |
| 170 | Badger Energy, Inc. | — | 20 | 0 | 0 | — | — |
| 171 | Wapiti Energy, LLC | — | 16 | 0 | 0 | — | — |
| 172 | Shield Resources, Inc. | — | 9 | 0 | 0 | — | — |
| 173 | Whiting Petroleum Corporation | — | 9 | 0 | 0 | — | — |
| 174 | Magnum Producing & Operating Co. | — | 8 | 0 | 0 | — | — |
| 175 | Southern Bay Operating, L.L.C. | — | 8 | 0 | 0 | — | — |
| 176 | Andress Petroleum, Inc. | — | 6 | 0 | 0 | — | — |
| 177 | Hardy Oil & Gas USA Inc. | — | 6 | 0 | 0 | — | — |
| 178 | Amber Oil & Gas Co. | — | 5 | 0 | 0 | — | — |
| 179 | L & B Oil Co. Inc. | — | 5 | 0 | 0 | — | — |
| 180 | McCord Exploration Co. | — | 5 | 0 | 0 | — | — |
| 181 | Whitson, James A., Jr. | — | 5 | 0 | 0 | — | — |
| 182 | Zinn Petroleum Co. | — | 5 | 0 | 0 | — | — |
| 183 | Chapman Oil | — | 4 | 0 | 0 | — | — |
| 184 | Graham Production Co. | — | 4 | 0 | 0 | — | — |
| 185 | Heritage Operating Co., Inc. The | — | 4 | 0 | 0 | — | — |
| 186 | KP Exploration, Inc. | — | 4 | 0 | 0 | — | — |
| 187 | McRae Exploration & Prod., Inc. | — | 4 | 0 | 0 | — | — |
| 188 | Sue-Ann Oil & Gas Company | — | 4 | 0 | 0 | — | — |
| 189 | Ultramar Oil and Gas Limited | — | 4 | 0 | 0 | — | — |
| 190 | Davis Oil Company | — | 3 | 0 | 0 | — | — |
| 191 | Deanlake Operator, L.L.C. | — | 3 | 0 | 0 | — | — |
| 192 | Hooper, Dr. Oil & Royalty Co. | — | 3 | 0 | 0 | — | — |
| 193 | Samson Resources Company | — | 3 | 0 | 0 | — | — |
| 194 | Texstar North America, Inc. | — | 3 | 0 | 0 | — | — |
| 195 | Belco Operating Corp. | — | 2 | 0 | 0 | — | — |
| 196 | Brown, H. L., Jr. | — | 2 | 0 | 0 | — | — |
| 197 | Burnett, Pure, Galaxy | — | 2 | 0 | 0 | — | — |
| 198 | Damson Oil Corp. | — | 2 | 0 | 0 | — | — |
| 199 | Drill Partners Management, LLC | — | 2 | 0 | 0 | — | — |
| 200 | Fina Oil & Chemical Company | — | 2 | 0 | 0 | — | — |
| 201 | Hutchins Energy Corp. | — | 2 | 0 | 0 | — | — |
| 202 | Marsh, Tom F. Inc. | — | 2 | 0 | 0 | — | — |
| 203 | NM-Yates Pet. | — | 2 | 0 | 0 | — | — |
| 204 | Phillips Petroleum Company | — | 2 | 0 | 0 | — | — |
| 205 | Poc Operating, Inc. | — | 2 | 0 | 0 | — | — |
| 206 | Santa FE Energy Resources, Inc. | — | 2 | 0 | 0 | — | — |
| 207 | Sohio Petroleum Co. | — | 2 | 0 | 0 | — | — |
| 208 | SPG Operating Company | — | 2 | 0 | 0 | — | — |
| 209 | Spri Oil & Gas, LLC | — | 2 | 0 | 0 | — | — |
| 210 | Tartan Resources Corporation | — | 2 | 0 | 0 | — | — |
| 211 | Terra Resources, Inc. | — | 2 | 0 | 0 | — | — |
| 212 | Texas Louisiana Petroleum Co. | — | 2 | 0 | 0 | — | — |
| 213 | Texas Oil & Gas Corp. | — | 2 | 0 | 0 | — | — |
| 214 | TXO Production Corp. | — | 2 | 0 | 0 | — | — |
| 215 | Aikman Petroleum, Inc. | — | 1 | 0 | 0 | — | — |
| 216 | Allegro Investments, Inc. | — | 1 | 0 | 0 | — | — |
| 217 | Allied Production Corp. | — | 1 | 0 | 0 | — | — |
| 218 | American Operating Company | — | 1 | 0 | 0 | — | — |
| 219 | Americorp Petroleum Company | — | 1 | 0 | 0 | — | — |
| 220 | Apd Company | — | 1 | 0 | 0 | — | — |
| 221 | Ark Energy, Inc. | — | 1 | 0 | 0 | — | — |
| 222 | Barnett Oil, Inc. | — | 1 | 0 | 0 | — | — |
| 223 | Baron Co., The | — | 1 | 0 | 0 | — | — |
| 224 | Beaumont Energy Co. | — | 1 | 0 | 0 | — | — |
| 225 | Belco Energy Corp. | — | 1 | 0 | 0 | — | — |
| 226 | Bintliff, David C. | — | 1 | 0 | 0 | — | — |
| 227 | Bishop, R. H. & Eubank, Ray H. | — | 1 | 0 | 0 | — | — |
| 228 | B & M Operating Co., Inc. | — | 1 | 0 | 0 | — | — |
| 229 | Cardinal Well Service Inc. | — | 1 | 0 | 0 | — | — |
| 230 | Cascade Oil & Gas Company | — | 1 | 0 | 0 | — | — |
| 231 | Chase Energy, Inc. | — | 1 | 0 | 0 | — | — |
| 232 | Chesapeake Operating, Inc. | — | 1 | 0 | 0 | — | — |
| 233 | Cities Service Company | — | 1 | 0 | 0 | — | — |
| 234 | Cities Service Oil & Gas Corp. | — | 1 | 0 | 0 | — | — |
| 235 | CMS Nomeco Oil & Gas Co. | — | 1 | 0 | 0 | — | — |
| 236 | Columbia Drilling Co. | — | 1 | 0 | 0 | — | — |
| 237 | Convest Energy Corporation | — | 1 | 0 | 0 | — | — |
| 238 | Corpening Enterprises | — | 1 | 0 | 0 | — | — |
| 239 | CPC Exploration Inc. | — | 1 | 0 | 0 | — | — |
| 240 | Cxy Energy Inc. | — | 1 | 0 | 0 | — | — |
| 241 | Cypress Energy Development Co | — | 1 | 0 | 0 | — | — |
| 242 | Daubert Operating. L.L.C. | — | 1 | 0 | 0 | — | — |
| 243 | Davidson, Jake, Inc. | — | 1 | 0 | 0 | — | — |
| 244 | Devon Louisiana Corporation | — | 1 | 0 | 0 | — | — |
| 245 | Drummond, R. V. | — | 1 | 0 | 0 | — | — |
| 246 | Eads Operating Co. | — | 1 | 0 | 0 | — | — |
| 247 | Eaton Operating Co., Inc. | — | 1 | 0 | 0 | — | — |
| 248 | Energy & Royalty Resources | — | 1 | 0 | 0 | — | — |
| 249 | Enron Oil & Gas Company | — | 1 | 0 | 0 | — | — |
| 250 | Graham Engineering Corporation | — | 1 | 0 | 0 | — | — |
| 251 | Great Western Drlg. Co. | — | 1 | 0 | 0 | — | — |
| 252 | Haber Oil Company, Inc. | — | 1 | 0 | 0 | — | — |
| 253 | Hamman Oil & Refg. Co. | — | 1 | 0 | 0 | — | — |
| 254 | Hanson Minerals Co. | — | 1 | 0 | 0 | — | — |
| 255 | Hanson Production Company | — | 1 | 0 | 0 | — | — |
| 256 | Hardwick Oil Company | — | 1 | 0 | 0 | — | — |
| 257 | Hill Production Co Inc-Wisconsin | — | 1 | 0 | 0 | — | — |
| 258 | Hill Production Company | — | 1 | 0 | 0 | — | — |
| 259 | Hollimon Oil Corporation | — | 1 | 0 | 0 | — | — |
| 260 | Holly Energy, Inc. | — | 1 | 0 | 0 | — | — |
| 261 | Holt Oil & Gas Corporation | — | 1 | 0 | 0 | — | — |
| 262 | Hopco Operating, Inc. | — | 1 | 0 | 0 | — | — |
| 263 | Independent Exploration Co. | — | 1 | 0 | 0 | — | — |
| 264 | Jet Oil Producers | — | 1 | 0 | 0 | — | — |
| 265 | Kimbark Oil & Gas Company | — | 1 | 0 | 0 | — | — |
| 266 | Konantz, Ronald J. Inc. | — | 1 | 0 | 0 | — | — |
| 267 | Lexington Exploration Co. | — | 1 | 0 | 0 | — | — |
| 268 | Love, Jack R. | — | 1 | 0 | 0 | — | — |
| 269 | Luca Resources Group, LLC | — | 1 | 0 | 0 | — | — |
| 270 | Luck Petroleum Corporation | — | 1 | 0 | 0 | — | — |
| 271 | Maersk Energy Inc. | — | 1 | 0 | 0 | — | — |
| 272 | Magnolia SWD, LLP | — | 1 | 0 | 0 | — | — |
| 273 | Matzinger Petroleum Co | — | 1 | 0 | 0 | — | — |
| 274 | McCarthy Oil & Gas Corporation | — | 1 | 0 | 0 | — | — |
| 275 | Mellon Energy Co. | — | 1 | 0 | 0 | — | — |
| 276 | MLC Operating, LP | — | 1 | 0 | 0 | — | — |
| 277 | Moore & Munger Energy, Inc. | — | 1 | 0 | 0 | — | — |
| 278 | MS Energy Services | — | 1 | 0 | 0 | — | — |
| 279 | Murexco Petroleum, Inc. | — | 1 | 0 | 0 | — | — |
| 280 | National Oilwell Varco, L.P. | — | 1 | 0 | 0 | — | — |
| 281 | Neidigk Development Company | — | 1 | 0 | 0 | — | — |
| 282 | Nelson Energy, Inc. | — | 1 | 0 | 0 | — | — |
| 283 | Neumin Production Company | — | 1 | 0 | 0 | — | — |
| 284 | Oil Lease Operating Co. | — | 1 | 0 | 0 | — | — |
| 285 | Olsen, Fred. Inc. | — | 1 | 0 | 0 | — | — |
| 286 | Pamale Petroleum Co. | — | 1 | 0 | 0 | — | — |
| 287 | Pcu, Inc. of Texas | — | 1 | 0 | 0 | — | — |
| 288 | Petroleum Capital, L.C. | — | 1 | 0 | 0 | — | — |
| 289 | Prime Operating Company | — | 1 | 0 | 0 | — | — |
| 290 | Pyro Energy Corp. | — | 1 | 0 | 0 | — | — |
| 291 | Railhead Energy Company | — | 1 | 0 | 0 | — | — |
| 292 | Red River Petroleum Corp. | — | 1 | 0 | 0 | — | — |
| 293 | Rodel Oil & Gas Company | — | 1 | 0 | 0 | — | — |
| 294 | Roosth & Genecov Production Co. | — | 1 | 0 | 0 | — | — |
| 295 | Royal Oil & Gas Corp. | — | 1 | 0 | 0 | — | — |
| 296 | Sabine Production Company | — | 1 | 0 | 0 | — | — |
| 297 | Sanchez-O'Brien Oil & Gas Corp. | — | 1 | 0 | 0 | — | — |
| 298 | Sanchez Oil & Gas Corporation | — | 1 | 0 | 0 | — | — |
| 299 | Shawnee Operating Company | — | 1 | 0 | 0 | — | — |
| 300 | Southport Exploration Inc. | — | 1 | 0 | 0 | — | — |