| 1 | Yucca Energy Inc. | — | 0 | 0 | 106 | — | — |
| 2 | Three Span Oil & Gas Inc. | — | 0 | 0 | 59 | — | — |
| 3 | Killer Rabbit Fields LLC | — | 0 | 0 | 22 | — | — |
| 4 | Wheeler, W. Ridley, Est. | — | 21 | 0 | 19 | — | — |
| 5 | Fort Worth Production Co. | — | 0 | 0 | 18 | — | — |
| 6 | Wheeler Oil Company | — | 51 | 0 | 17 | — | — |
| 7 | Aminoil USA Inc. | — | 1 | 0 | 11 | — | — |
| 8 | Q Natural Resources LLC | — | 0 | 0 | 9 | — | — |
| 9 | Reatta Energy, Inc. | — | 15 | 0 | 8 | — | — |
| 10 | Smith Energy Operating Company | — | 9 | 0 | 8 | — | — |
| 11 | D & D Enterprises | — | 0 | 0 | 7 | — | — |
| 12 | Onaroll Operating LLC | — | 0 | 0 | 7 | — | — |
| 13 | Barrett Brothers Oil & Gas, Inc. | — | 6 | 0 | 6 | — | — |
| 14 | Shenandoah Petroleum Corporation | — | 8 | 0 | 5 | — | — |
| 15 | Winn Operating LLC | — | 0 | 0 | 5 | — | — |
| 16 | Southwest Royalties, Inc. | — | 2 | 0 | 4 | — | — |
| 17 | SSC, Inc. | — | 1 | 0 | 4 | — | — |
| 18 | R & S Oil Properties | — | 0 | 0 | 4 | — | — |
| 19 | Tacoma Operating LLC | — | 0 | 0 | 4 | — | — |
| 20 | Goodie Interests | — | 0 | 0 | 3 | — | — |
| 21 | Thompson John R. | — | 0 | 0 | 3 | — | — |
| 22 | BTA Oil Producers | — | 4 | 0 | 2 | — | — |
| 23 | NRM Petroleum Corp. | — | 1 | 0 | 2 | — | — |
| 24 | Charter Petroleum Company | — | 0 | 0 | 2 | — | — |
| 25 | Das Oil Co. L.L.C. | — | 0 | 0 | 2 | — | — |
| 26 | McClure Hopkins & Logan | — | 0 | 0 | 2 | — | — |
| 27 | Raw Oil & Gas, Inc. | — | 40 | 0 | 1 | — | — |
| 28 | Amoco Production Company | — | 30 | 0 | 1 | — | — |
| 29 | Maralo, Inc. | — | 5 | 0 | 1 | — | — |
| 30 | Unit Petroleum Company | — | 5 | 0 | 1 | — | — |
| 31 | BC Operating, Inc. | — | 4 | 0 | 1 | — | — |
| 32 | Rubicon Oil & Gas, LLC | — | 4 | 0 | 1 | — | — |
| 33 | Diamond Shamrock Exploration Co. | — | 3 | 0 | 1 | — | — |
| 34 | Yates Energy Corporation | — | 3 | 0 | 1 | — | — |
| 35 | Greenwich Oil Corporation | — | 2 | 0 | 1 | — | — |
| 36 | Horst Energy LLC | — | 2 | 0 | 1 | — | — |
| 37 | M & H Oil Co. | — | 2 | 0 | 1 | — | — |
| 38 | Nearburg Producing Company | — | 2 | 0 | 1 | — | — |
| 39 | Maxus Exploration Company | — | 1 | 0 | 1 | — | — |
| 40 | McClure Oil Company, Inc. | — | 1 | 0 | 1 | — | — |
| 41 | Shaida, John H. | — | 1 | 0 | 1 | — | — |
| 42 | Shell Western E&P | — | 1 | 0 | 1 | — | — |
| 43 | Chapman Energy Inc. | — | 0 | 0 | 1 | — | — |
| 44 | Dry Fork Production Co. LLC | — | 0 | 0 | 1 | — | — |
| 45 | Endeavor Energy Resources L.P. | — | 0 | 0 | 1 | — | — |
| 46 | Flat Top Operating LLC | — | 0 | 0 | 1 | — | — |
| 47 | Gulf Oil Corp. | — | 0 | 0 | 1 | — | — |
| 48 | JMK Petroleum Corp. | — | 0 | 0 | 1 | — | — |
| 49 | Layton Exploration Inc. | — | 0 | 0 | 1 | — | — |
| 50 | McDonald Production | — | 0 | 0 | 1 | — | — |
| 51 | Quien Sabe Operating LLC | — | 0 | 0 | 1 | — | — |
| 52 | Shaw Henry Jr. | — | 0 | 0 | 1 | — | — |
| 53 | Shenandoah Resources LLC | — | 0 | 0 | 1 | — | — |
| 54 | Taylor-Link Operating Co. | — | 0 | 0 | 1 | — | — |
| 55 | Texaco Inc. | — | 0 | 0 | 1 | — | — |
| 56 | TXO Production Corp. | — | 0 | 0 | 1 | — | — |
| 57 | Union Oil Company of California | — | 0 | 0 | 1 | — | — |
| 58 | U.S. Signal 1972 Program Limited | — | 0 | 0 | 1 | — | — |
| 59 | Walkabout Operating LLC | — | 0 | 0 | 1 | — | — |
| 60 | Walsh & Watts Inc. | — | 0 | 0 | 1 | — | — |
| 61 | White Rock Oil & Gas LLC | — | 0 | 0 | 1 | — | — |
| 62 | Furie Operating, LLC | — | 11 | 0 | 0 | — | — |
| 63 | Brothers Production Company | — | 10 | 0 | 0 | — | — |
| 64 | Energas Company | — | 10 | 0 | 0 | — | — |
| 65 | Leeper Oil Exp. & Prod. Inc. | — | 9 | 0 | 0 | — | — |
| 66 | Conoco Inc. | — | 8 | 0 | 0 | — | — |
| 67 | Tenneco Oil Co. | — | 7 | 0 | 0 | — | — |
| 68 | Texland Petroleum, L.P. | — | 7 | 0 | 0 | — | — |
| 69 | Fina Oil & Chemical Company | — | 6 | 0 | 0 | — | — |
| 70 | Leeper, Alan B. | — | 6 | 0 | 0 | — | — |
| 71 | Diamond Chemicals Company | — | 5 | 0 | 0 | — | — |
| 72 | Exxon Corp. | — | 5 | 0 | 0 | — | — |
| 73 | SM Energy Company | — | 5 | 0 | 0 | — | — |
| 74 | Western Reserves Oil Co. | — | 5 | 0 | 0 | — | — |
| 75 | Palmer Oil Properties | — | 4 | 0 | 0 | — | — |
| 76 | Breck Operating Corp. | — | 3 | 0 | 0 | — | — |
| 77 | Challenger Minerals Inc. | — | 3 | 0 | 0 | — | — |
| 78 | CMS Oil and Gas Company | — | 3 | 0 | 0 | — | — |
| 79 | Custer & Wright Operating, Inc. | — | 3 | 0 | 0 | — | — |
| 80 | EP Operating Limited Partnership | — | 3 | 0 | 0 | — | — |
| 81 | Monsanto Company | — | 3 | 0 | 0 | — | — |
| 82 | Newman Brothers Drilling Company | — | 3 | 0 | 0 | — | — |
| 83 | Omimex Energy, Inc. | — | 3 | 0 | 0 | — | — |
| 84 | Southland Royalty Company | — | 3 | 0 | 0 | — | — |
| 85 | St. Mary Land & Exploration Co. | — | 3 | 0 | 0 | — | — |
| 86 | Terrace Petroleum Corporation | — | 3 | 0 | 0 | — | — |
| 87 | Wheeler Operating Corporation | — | 3 | 0 | 0 | — | — |
| 88 | WMS Oil Company | — | 3 | 0 | 0 | — | — |
| 89 | Young, Marshall R., Oil Company | — | 3 | 0 | 0 | — | — |
| 90 | Adobe Oil & Gas Corp. | — | 2 | 0 | 0 | — | — |
| 91 | Amtex Energy | — | 2 | 0 | 0 | — | — |
| 92 | Brown, H. L., Jr. | — | 2 | 0 | 0 | — | — |
| 93 | Burk Royalty Co., Ltd. | — | 2 | 0 | 0 | — | — |
| 94 | Cholla Petroleum, Inc. | — | 2 | 0 | 0 | — | — |
| 95 | Crown Exploration Company | — | 2 | 0 | 0 | — | — |
| 96 | Energy & Expl. Prtnrs Oper., LP | — | 2 | 0 | 0 | — | — |
| 97 | Flinn, James L. | — | 2 | 0 | 0 | — | — |
| 98 | Halvey Energy Co. | — | 2 | 0 | 0 | — | — |
| 99 | Howell Petroleum Corporation | — | 2 | 0 | 0 | — | — |
| 100 | Kelloil, Inc. | — | 2 | 0 | 0 | — | — |
| 101 | Kilroy Company of Texas, Inc. | — | 2 | 0 | 0 | — | — |
| 102 | Lacy, R., Inc. | — | 2 | 0 | 0 | — | — |
| 103 | Lone Star Oil & Gas | — | 2 | 0 | 0 | — | — |
| 104 | McDonald Production, LLC | — | 2 | 0 | 0 | — | — |
| 105 | Mewbourne Oil Co. | — | 2 | 0 | 0 | — | — |
| 106 | Omar Operating Company | — | 2 | 0 | 0 | — | — |
| 107 | Pennzoil Exploration & Prod. Co. | — | 2 | 0 | 0 | — | — |
| 108 | Rising Star Energy, L.L.C. | — | 2 | 0 | 0 | — | — |
| 109 | SDX Resources, Inc. | — | 2 | 0 | 0 | — | — |
| 110 | Shell Oil Company | — | 2 | 0 | 0 | — | — |
| 111 | Spiral Energy Corp. | — | 2 | 0 | 0 | — | — |
| 112 | Tmbr/Sharp Drilling, Inc. | — | 2 | 0 | 0 | — | — |
| 113 | Woods Petroleum Corporation | — | 2 | 0 | 0 | — | — |
| 114 | American Crude, Inc. | — | 1 | 0 | 0 | — | — |
| 115 | Bechtel Energy Resources Corp. | — | 1 | 0 | 0 | — | — |
| 116 | Bennett Exploration & Prod. Co. | — | 1 | 0 | 0 | — | — |
| 117 | Blair Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 118 | Blanks Energy Corporation | — | 1 | 0 | 0 | — | — |
| 119 | Brown, H.L. Operating, L.L.C. | — | 1 | 0 | 0 | — | — |
| 120 | Bruno, Earl R. | — | 1 | 0 | 0 | — | — |
| 121 | Buckman Oil Company | — | 1 | 0 | 0 | — | — |
| 122 | Callon Petroleum Operating Co | — | 1 | 0 | 0 | — | — |
| 123 | Campana Petroleum Co. | — | 1 | 0 | 0 | — | — |
| 124 | Canan Mowrey Operating, LLC | — | 1 | 0 | 0 | — | — |
| 125 | Carlow Corp. | — | 1 | 0 | 0 | — | — |
| 126 | Champlin Petroleum Co. | — | 1 | 0 | 0 | — | — |
| 127 | Cities Service Oil & Gas Corp. | — | 1 | 0 | 0 | — | — |
| 128 | Cotton Petroleum Corp. | — | 1 | 0 | 0 | — | — |
| 129 | Craig, Earle M. Jr. Corp. | — | 1 | 0 | 0 | — | — |
| 130 | Dillingham Energy Resources, Inc | — | 1 | 0 | 0 | — | — |
| 131 | Dunigan Operating Co., Inc. | — | 1 | 0 | 0 | — | — |
| 132 | Enserch Exploration, Inc | — | 1 | 0 | 0 | — | — |
| 133 | EP Operating Company | — | 1 | 0 | 0 | — | — |
| 134 | Estoril Producing Corporation | — | 1 | 0 | 0 | — | — |
| 135 | Fagadau Energy Corporation | — | 1 | 0 | 0 | — | — |
| 136 | Fasken, Barbara | — | 1 | 0 | 0 | — | — |
| 137 | Flag-Redfern Oil Company | — | 1 | 0 | 0 | — | — |
| 138 | Forza Operating, LLC | — | 1 | 0 | 0 | — | — |
| 139 | Giebel Petroleum Ltd. | — | 1 | 0 | 0 | — | — |
| 140 | Global Energy Operating LLC | — | 1 | 0 | 0 | — | — |
| 141 | Grand Banks Energy Company | — | 1 | 0 | 0 | — | — |
| 142 | Great Western Drilling Company | — | 1 | 0 | 0 | — | — |
| 143 | Griffin Petroleum Company | — | 1 | 0 | 0 | — | — |
| 144 | Gruss Petroleum Management, Inc. | — | 1 | 0 | 0 | — | — |
| 145 | Hanson Corp., Omni & Halbouty | — | 1 | 0 | 0 | — | — |
| 146 | Hardwick Oil Company | — | 1 | 0 | 0 | — | — |
| 147 | HW Operating, LLC | — | 1 | 0 | 0 | — | — |
| 148 | Kaiser-Francis Oil Company | — | 1 | 0 | 0 | — | — |
| 149 | Kaneb Operating Company, Ltd. | — | 1 | 0 | 0 | — | — |
| 150 | Kewanee Oil Company | — | 1 | 0 | 0 | — | — |
| 151 | Kimbrough Engineering Co, LLC | — | 1 | 0 | 0 | — | — |
| 152 | Lacy & Byrd, Inc. | — | 1 | 0 | 0 | — | — |
| 153 | Laguna Petroleum Corporation | — | 1 | 0 | 0 | — | — |
| 154 | L & B Oil Co. Inc. | — | 1 | 0 | 0 | — | — |
| 155 | Lovelady, Ike Inc. | — | 1 | 0 | 0 | — | — |
| 156 | Maguire Oil Company | — | 1 | 0 | 0 | — | — |
| 157 | Marshall & Winston, Inc. | — | 1 | 0 | 0 | — | — |
| 158 | McBee Company, The | — | 1 | 0 | 0 | — | — |
| 159 | McCabe Energy, Inc. | — | 1 | 0 | 0 | — | — |
| 160 | Mendenhall, R.A. Associates, Ltd | — | 1 | 0 | 0 | — | — |
| 161 | Meridian Oil Inc. | — | 1 | 0 | 0 | — | — |
| 162 | Mitchell Energy Corporation | — | 1 | 0 | 0 | — | — |
| 163 | Mobil-GC Corp. | — | 1 | 0 | 0 | — | — |
| 164 | Mobil Producing TX. & N.M. Inc. | — | 1 | 0 | 0 | — | — |
| 165 | Monsanto Oil Company | — | 1 | 0 | 0 | — | — |
| 166 | Mullins, Bill J. | — | 1 | 0 | 0 | — | — |
| 167 | Murchison Oil & Gas Inc | — | 1 | 0 | 0 | — | — |
| 168 | Page Exploration | — | 1 | 0 | 0 | — | — |
| 169 | Qualia, C. F. | — | 1 | 0 | 0 | — | — |
| 170 | Regency Petroleum Co. | — | 1 | 0 | 0 | — | — |
| 171 | Roff Operating Company, LLC | — | 1 | 0 | 0 | — | — |
| 172 | Santo Operating LLC | — | 1 | 0 | 0 | — | — |
| 173 | Seagull Midcon Inc. | — | 1 | 0 | 0 | — | — |
| 174 | Sha-Jam Operating Corp. | — | 1 | 0 | 0 | — | — |
| 175 | Stelzer, E.A. Oil Company | — | 1 | 0 | 0 | — | — |
| 176 | Sun Expl. & Prod. Co.-Midland | — | 1 | 0 | 0 | — | — |
| 177 | Terrell Oil & Gas Production Co. | — | 1 | 0 | 0 | — | — |
| 178 | Texas Oil & Gas Corp. | — | 1 | 0 | 0 | — | — |
| 179 | Tipperary Oil & Gas Corporation | — | 1 | 0 | 0 | — | — |
| 180 | Toltec Oil & Gas, Inc. | — | 1 | 0 | 0 | — | — |
| 181 | Tucker Drilling Company, Inc. | — | 1 | 0 | 0 | — | — |
| 182 | Ultramar Oil and Gas Limited | — | 1 | 0 | 0 | — | — |
| 183 | Union Texas Petroleum Corp. | — | 1 | 0 | 0 | — | — |
| 184 | UV Industries, Inc. | — | 1 | 0 | 0 | — | — |
| 185 | Wagner & Brown, Ltd. | — | 1 | 0 | 0 | — | — |
| 186 | Yucca Energy, Inc. | — | 1 | 0 | 0 | — | — |