| 1 | Wright Brothers Energy Inc. | — | 0 | 0 | 214 | — | — |
| 2 | Upp Operating LLC | — | 0 | 0 | 202 | — | — |
| 3 | Henry Petroleum LLC | — | 0 | 0 | 153 | — | — |
| 4 | Lakeshore Operating LLC | — | 0 | 0 | 114 | — | — |
| 5 | Uhc Petroleum Corporation | — | 24 | 0 | 100 | — | — |
| 6 | Hilcorp Energy Company | — | 7 | 0 | 86 | — | — |
| 7 | Wright Brothers Energy, Inc. | — | 1 | 0 | 74 | — | — |
| 8 | Muskegon Development Company | — | 16 | 0 | 45 | — | — |
| 9 | Coastal States Gas Prod. Co. | — | 0 | 0 | 39 | — | — |
| 10 | North American Royalties, Inc. | — | 8 | 0 | 38 | — | — |
| 11 | PNP Operating Company LLC | — | 69 | 0 | 36 | — | — |
| 12 | Smith Pipe of Abilene | — | 0 | 0 | 32 | — | — |
| 13 | Rio-Tex, Inc. | — | 32 | 0 | 30 | — | — |
| 14 | Grace Petroleum Operating LLC | — | 0 | 0 | 27 | — | — |
| 15 | Newfield Exploration Company | — | 107 | 0 | 23 | — | — |
| 16 | Meridian Oil Inc. | — | 73 | 0 | 18 | — | — |
| 17 | Highmount Expl & Prod Texas LLC | — | 91 | 0 | 15 | — | — |
| 18 | Texakoma E & P LLC | — | 0 | 0 | 15 | — | — |
| 19 | Marshall & Winston, Inc. | — | 46 | 0 | 13 | — | — |
| 20 | Dreyfus, Louis Natural Gas Corp | — | 43 | 0 | 12 | — | — |
| 21 | Dominion Oklahoma Texas E&P, Inc | — | 130 | 0 | 11 | — | — |
| 22 | Johnson & Lindley LLC | — | 0 | 0 | 11 | — | — |
| 23 | Enserch Exploration, Inc | — | 21 | 0 | 10 | — | — |
| 24 | White Sands TX LLC | — | 0 | 0 | 10 | — | — |
| 25 | Mortimer Production Company | — | 5 | 0 | 9 | — | — |
| 26 | Saguaro Petroleum, LLC | — | 2 | 0 | 9 | — | — |
| 27 | American Resources, Inc. | — | 21 | 0 | 7 | — | — |
| 28 | Texas Secondary Oil Corporation | — | 10 | 0 | 7 | — | — |
| 29 | Andrus Resources Corporation | — | 8 | 0 | 7 | — | — |
| 30 | Amoco Production Company | — | 18 | 0 | 6 | — | — |
| 31 | Metal Forms Industries, Inc. | — | 5 | 0 | 6 | — | — |
| 32 | Scout Energy Management LLC | — | 0 | 0 | 6 | — | — |
| 33 | Perlman, William | — | 12 | 0 | 5 | — | — |
| 34 | Megawest Energy Texas Corp. | — | 9 | 0 | 5 | — | — |
| 35 | Enervest Operating L.L.C. | — | 0 | 0 | 5 | — | — |
| 36 | Exa Oil and Gas LLC | — | 0 | 0 | 5 | — | — |
| 37 | Mwwd Operator LLC | — | 0 | 0 | 5 | — | — |
| 38 | Burlington Resources Oil&gas Co. | — | 27 | 0 | 4 | — | — |
| 39 | Range Production Company | — | 17 | 0 | 4 | — | — |
| 40 | Chi Operating, Inc. | — | 10 | 0 | 4 | — | — |
| 41 | Brown, J. K. Inc. | — | 9 | 0 | 4 | — | — |
| 42 | Stewart & Vernor Oil Co., Inc. | — | 4 | 0 | 4 | — | — |
| 43 | Texen Resources, Inc. | — | 2 | 0 | 4 | — | — |
| 44 | Apache Corporation | — | 0 | 0 | 4 | — | — |
| 45 | Denbury Management Inc. | — | 0 | 0 | 4 | — | — |
| 46 | Indigo Petroleum LLC | — | 0 | 0 | 4 | — | — |
| 47 | XOG Operating LLC | — | 0 | 0 | 4 | — | — |
| 48 | Chesapeake Operating, Inc. | — | 17 | 0 | 3 | — | — |
| 49 | Rio Bravo Expl. & Prod. Co. | — | 7 | 0 | 3 | — | — |
| 50 | Great Western Drilling Company | — | 6 | 0 | 3 | — | — |
| 51 | Sonora Southwest Partnership | — | 6 | 0 | 3 | — | — |
| 52 | Mitchell Energy Corporation | — | 1 | 0 | 3 | — | — |
| 53 | Thompson, J. Cleo | — | 1 | 0 | 3 | — | — |
| 54 | Amoco Production Co.-Odessa | — | 0 | 0 | 3 | — | — |
| 55 | Blackstone Energy Services LLC | — | 0 | 0 | 3 | — | — |
| 56 | Comstock Energy LLC | — | 0 | 0 | 3 | — | — |
| 57 | J & M Well Salvage Company | — | 0 | 0 | 3 | — | — |
| 58 | Petex | — | 0 | 0 | 3 | — | — |
| 59 | Robert C. Brower LLC | — | 0 | 0 | 3 | — | — |
| 60 | A a Production Inc. | — | 75 | 0 | 2 | — | — |
| 61 | Enron Oil & Gas Company | — | 10 | 0 | 2 | — | — |
| 62 | SDX Resources, Inc. | — | 6 | 0 | 2 | — | — |
| 63 | Accord GR Energy Inc | — | 5 | 0 | 2 | — | — |
| 64 | Dwa Enterprises | — | 2 | 0 | 2 | — | — |
| 65 | EOG Resources, Inc. | — | 2 | 0 | 2 | — | — |
| 66 | KLM Petroleum Corp. | — | 2 | 0 | 2 | — | — |
| 67 | Vision Oil and Gas LLC | — | 2 | 0 | 2 | — | — |
| 68 | Champlin Petroleum Co. | — | 1 | 0 | 2 | — | — |
| 69 | E.L.A., Inc. | — | 1 | 0 | 2 | — | — |
| 70 | Anderson Energy Corporation | — | 0 | 0 | 2 | — | — |
| 71 | Bettis Boyle & Stovall | — | 0 | 0 | 2 | — | — |
| 72 | City Oil Corporation | — | 0 | 0 | 2 | — | — |
| 73 | Hillin T. A. | — | 0 | 0 | 2 | — | — |
| 74 | Penwell Energy Inc. | — | 0 | 0 | 2 | — | — |
| 75 | Texas Gathering Inc. | — | 0 | 0 | 2 | — | — |
| 76 | Diamondback Operating, LP | — | 56 | 0 | 1 | — | — |
| 77 | Par Minerals Corporation | — | 27 | 0 | 1 | — | — |
| 78 | Fairway Links Energy, Inc. | — | 20 | 0 | 1 | — | — |
| 79 | 3-M Energy Corporation | — | 13 | 0 | 1 | — | — |
| 80 | Hamman Oil & Refg. Co. | — | 5 | 0 | 1 | — | — |
| 81 | Marsh, Tom F. Inc. | — | 4 | 0 | 1 | — | — |
| 82 | Devon Energy Production Co, L.P. | — | 3 | 0 | 1 | — | — |
| 83 | H I S Oil Co. | — | 3 | 0 | 1 | — | — |
| 84 | PXP Texas Inc. | — | 3 | 0 | 1 | — | — |
| 85 | Swartz Oil Company | — | 3 | 0 | 1 | — | — |
| 86 | HNG Oil Company | — | 2 | 0 | 1 | — | — |
| 87 | Sed Energy Inc. | — | 2 | 0 | 1 | — | — |
| 88 | Stonegate Production Company,llc | — | 2 | 0 | 1 | — | — |
| 89 | Charis Energy, Inc. | — | 1 | 0 | 1 | — | — |
| 90 | H&G Petroleum Corporation | — | 1 | 0 | 1 | — | — |
| 91 | Polecat Pipeline Company, Inc. | — | 1 | 0 | 1 | — | — |
| 92 | Vicars Oil & Gas Corporation | — | 1 | 0 | 1 | — | — |
| 93 | Baxter Kelly H. Oil and Gas Co. | — | 0 | 0 | 1 | — | — |
| 94 | Capital & Comanche Oil & Gas | — | 0 | 0 | 1 | — | — |
| 95 | Damson Oil Corp. | — | 0 | 0 | 1 | — | — |
| 96 | JP Operating Inc. | — | 0 | 0 | 1 | — | — |
| 97 | Largo Oil Company | — | 0 | 0 | 1 | — | — |
| 98 | Mag Exploration LLC | — | 0 | 0 | 1 | — | — |
| 99 | Metcalfe Tom | — | 0 | 0 | 1 | — | — |
| 100 | Osborn Heirs Company | — | 0 | 0 | 1 | — | — |
| 101 | Perlman I.h.oil & Gas Properties | — | 0 | 0 | 1 | — | — |
| 102 | Quaestor Corporation | — | 0 | 0 | 1 | — | — |
| 103 | Stewart-Martin Operating Co. Inc | — | 0 | 0 | 1 | — | — |
| 104 | Texakoma Operating L.P. | — | 0 | 0 | 1 | — | — |
| 105 | Lomak Production Company | — | 123 | 0 | 0 | — | — |
| 106 | Pruitt Engineering & Petro. Co. | — | 117 | 0 | 0 | — | — |
| 107 | Cometra Oil and Gas, Inc. | — | 61 | 0 | 0 | — | — |
| 108 | Heritage Petroleum Corporation | — | 38 | 0 | 0 | — | — |
| 109 | Eex E&P Company, L.P. | — | 32 | 0 | 0 | — | — |
| 110 | Arapaho Petroleum, Incorporated | — | 25 | 0 | 0 | — | — |
| 111 | Johnson Operating, Inc. | — | 24 | 0 | 0 | — | — |
| 112 | Qualia, C. F. Operating,inc. | — | 21 | 0 | 0 | — | — |
| 113 | Tesoro E&P Company, L.P. | — | 18 | 0 | 0 | — | — |
| 114 | Statex Petroleum Inc. | — | 17 | 0 | 0 | — | — |
| 115 | Conoco Inc. | — | 13 | 0 | 0 | — | — |
| 116 | Winchester Energy Operating Co. | — | 13 | 0 | 0 | — | — |
| 117 | Paluxy Sands Corporation | — | 12 | 0 | 0 | — | — |
| 118 | Drillmar Energy, Inc. | — | 11 | 0 | 0 | — | — |
| 119 | Dorchester Gas Producing Co | — | 10 | 0 | 0 | — | — |
| 120 | Dixie Operating Company | — | 9 | 0 | 0 | — | — |
| 121 | Held by Production, Inc. | — | 9 | 0 | 0 | — | — |
| 122 | Aggietech Oil, Ltd. | — | 8 | 0 | 0 | — | — |
| 123 | Doran Energy Corporation | — | 8 | 0 | 0 | — | — |
| 124 | EP Operating Company | — | 8 | 0 | 0 | — | — |
| 125 | Devon Louisiana Corporation | — | 7 | 0 | 0 | — | — |
| 126 | Patrick Exploration Company | — | 7 | 0 | 0 | — | — |
| 127 | Bonfire Operating LLC | — | 6 | 0 | 0 | — | — |
| 128 | Rocksprings Energy Company LLC | — | 6 | 0 | 0 | — | — |
| 129 | Banyan Operating, LLC | — | 5 | 0 | 0 | — | — |
| 130 | Mariner Energy, Inc. | — | 5 | 0 | 0 | — | — |
| 131 | Regal Development Inc. | — | 5 | 0 | 0 | — | — |
| 132 | Graham, E. L. Corp. | — | 4 | 0 | 0 | — | — |
| 133 | Holmes Exploration, LLC | — | 4 | 0 | 0 | — | — |
| 134 | Sierra Industries Inc. | — | 4 | 0 | 0 | — | — |
| 135 | American Cometra, Inc. | — | 3 | 0 | 0 | — | — |
| 136 | Carmel Energy, Inc. | — | 3 | 0 | 0 | — | — |
| 137 | C & F Energy, Inc. | — | 3 | 0 | 0 | — | — |
| 138 | Floyd Operating Company | — | 3 | 0 | 0 | — | — |
| 139 | Forza Operating, LLC | — | 3 | 0 | 0 | — | — |
| 140 | Graham Royalty, Ltd. | — | 3 | 0 | 0 | — | — |
| 141 | Harrison, Dan J., Jr. | — | 3 | 0 | 0 | — | — |
| 142 | Johnson & Lindley, Inc. | — | 3 | 0 | 0 | — | — |
| 143 | Olje Group LLC | — | 3 | 0 | 0 | — | — |
| 144 | Rock Ridge Explor & Prod LLC | — | 3 | 0 | 0 | — | — |
| 145 | Tammany Exploration Company LLC | — | 3 | 0 | 0 | — | — |
| 146 | American Quasar Petroleum Co. | — | 2 | 0 | 0 | — | — |
| 147 | Aminex USA, Inc. | — | 2 | 0 | 0 | — | — |
| 148 | Boyd, Foy Management Corp. | — | 2 | 0 | 0 | — | — |
| 149 | Cannon Texas, Inc | — | 2 | 0 | 0 | — | — |
| 150 | Combustion Products Corp. | — | 2 | 0 | 0 | — | — |
| 151 | Continental Oil Company | — | 2 | 0 | 0 | — | — |
| 152 | Doran, W. H. | — | 2 | 0 | 0 | — | — |
| 153 | Export Petroleum Corp. | — | 2 | 0 | 0 | — | — |
| 154 | Forney & McCombs | — | 2 | 0 | 0 | — | — |
| 155 | Hill, John H. | — | 2 | 0 | 0 | — | — |
| 156 | KCS Medallion Resources, Inc. | — | 2 | 0 | 0 | — | — |
| 157 | Marsh Operating Company | — | 2 | 0 | 0 | — | — |
| 158 | Mesa Chica Corp. | — | 2 | 0 | 0 | — | — |
| 159 | Mextex Operating Company | — | 2 | 0 | 0 | — | — |
| 160 | Mulloy Operating, Inc. | — | 2 | 0 | 0 | — | — |
| 161 | Penn Virginia Oil & Gas, L.P. | — | 2 | 0 | 0 | — | — |
| 162 | Pennzoil Company | — | 2 | 0 | 0 | — | — |
| 163 | Pogo Producing Co. | — | 2 | 0 | 0 | — | — |
| 164 | Puma Energy Inc. | — | 2 | 0 | 0 | — | — |
| 165 | Sage Energy Company | — | 2 | 0 | 0 | — | — |
| 166 | Sanders, Wm. | — | 2 | 0 | 0 | — | — |
| 167 | Shell Western E&P Inc. | — | 2 | 0 | 0 | — | — |
| 168 | Stone, J. G. Oil Co. | — | 2 | 0 | 0 | — | — |
| 169 | Tarpon Resources Co. | — | 2 | 0 | 0 | — | — |
| 170 | Trilogy Operating, Inc. | — | 2 | 0 | 0 | — | — |
| 171 | Tri-Power Petroleum, Inc. | — | 2 | 0 | 0 | — | — |
| 172 | TXO Production Corp. | — | 2 | 0 | 0 | — | — |
| 173 | TXP, Incorporated | — | 2 | 0 | 0 | — | — |
| 174 | Abraxas Petroleum Corp. | — | 1 | 0 | 0 | — | — |
| 175 | Adobe Oil & Gas Corp. | — | 1 | 0 | 0 | — | — |
| 176 | Anderson Petroleum, Inc. | — | 1 | 0 | 0 | — | — |
| 177 | Apexco Exploration & Prod., Inc. | — | 1 | 0 | 0 | — | — |
| 178 | Athanor Texas Inc. | — | 1 | 0 | 0 | — | — |
| 179 | Beach Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 180 | Blue Ridge Group, Inc. | — | 1 | 0 | 0 | — | — |
| 181 | Bradshaw, Ray E. | — | 1 | 0 | 0 | — | — |
| 182 | Brower Oil & Gas Co., Inc. | — | 1 | 0 | 0 | — | — |
| 183 | Burlington Resources O & G Co LP | — | 1 | 0 | 0 | — | — |
| 184 | Challenger Texas Energy OP LLC | — | 1 | 0 | 0 | — | — |
| 185 | Charger Energy, Inc. | — | 1 | 0 | 0 | — | — |
| 186 | Cico Oil & Gas Co. | — | 1 | 0 | 0 | — | — |
| 187 | Concho Resources Inc. | — | 1 | 0 | 0 | — | — |
| 188 | Corkran Energy, LP | — | 1 | 0 | 0 | — | — |
| 189 | Cyclone Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 190 | Dow Chemical Co., The | — | 1 | 0 | 0 | — | — |
| 191 | Estes Oil Co. | — | 1 | 0 | 0 | — | — |
| 192 | Exxon Corp. | — | 1 | 0 | 0 | — | — |
| 193 | Fagin Production Corporation | — | 1 | 0 | 0 | — | — |
| 194 | Grace Petroleum Corp. | — | 1 | 0 | 0 | — | — |
| 195 | Harrison Interests, Ltd. | — | 1 | 0 | 0 | — | — |
| 196 | Hunt Energy Corp. | — | 1 | 0 | 0 | — | — |
| 197 | KCS Resources, Inc. | — | 1 | 0 | 0 | — | — |
| 198 | Kelloil, Inc. | — | 1 | 0 | 0 | — | — |
| 199 | Loch Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 200 | Maralo, LLC | — | 1 | 0 | 0 | — | — |
| 201 | Mark IV Energy | — | 1 | 0 | 0 | — | — |
| 202 | Monroe Well Service, Inc. | — | 1 | 0 | 0 | — | — |
| 203 | Occidental Permian Ltd. | — | 1 | 0 | 0 | — | — |
| 204 | Olsen Energy Inc. | — | 1 | 0 | 0 | — | — |
| 205 | Ozark Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 206 | Paragon Corporation | — | 1 | 0 | 0 | — | — |
| 207 | Production Lease Service, Inc. | — | 1 | 0 | 0 | — | — |
| 208 | Rendova Oil Company, Inc. | — | 1 | 0 | 0 | — | — |
| 209 | Sawyer Drilling & Service, Inc. | — | 1 | 0 | 0 | — | — |
| 210 | Sha-Jam Operating Corp. | — | 1 | 0 | 0 | — | — |
| 211 | Sigma Energy & Explor., Co LLC | — | 1 | 0 | 0 | — | — |
| 212 | Sun Exploration & Production Co. | — | 1 | 0 | 0 | — | — |
| 213 | Tejas Trucking, Inc. | — | 1 | 0 | 0 | — | — |
| 214 | Texaco E & P Inc. | — | 1 | 0 | 0 | — | — |
| 215 | Texakoma Oil & Gas Corporation | — | 1 | 0 | 0 | — | — |
| 216 | Ultra Resources, Inc. | — | 1 | 0 | 0 | — | — |
| 217 | Wichita Industries, Inc. | — | 1 | 0 | 0 | — | — |
| 218 | Wolfco Operating Company | — | 1 | 0 | 0 | — | — |