| 1 | Atmos Energy,west Texas Division | 6 | 34 | 0 | 0 | Feb 25, 2026 | Apr 1, 2026 |
| 2 | Brown, H.L. Operating, L.L.C. | 1 | 43 | 0 | 68 | May 7, 2026 | May 7, 2026 |
| 3 | Texland Petroleum, L.P. | — | 107 | 0 | 211 | — | — |
| 4 | Texland-Rector & Schumacher | — | 288 | 0 | 141 | — | — |
| 5 | Occidental Permian Ltd. | — | 2 | 0 | 83 | — | — |
| 6 | Cross Timbers Energy, LLC | — | 2 | 0 | 77 | — | — |
| 7 | Yates Drilling | — | 0 | 0 | 57 | — | — |
| 8 | SSC Inc. | — | 0 | 0 | 53 | — | — |
| 9 | Merit Energy Company | — | 14 | 0 | 49 | — | — |
| 10 | Raw Oil & Gas, Inc. | — | 1 | 0 | 40 | — | — |
| 11 | McDonald Production, LLC | — | 1 | 0 | 22 | — | — |
| 12 | Socorro Exploration, Inc. | — | 12 | 0 | 19 | — | — |
| 13 | Juno Operating Company III, LLC | — | 5 | 0 | 19 | — | — |
| 14 | Zephyr Petroleum Company | — | 25 | 0 | 13 | — | — |
| 15 | Union Oil Company of California | — | 8 | 0 | 10 | — | — |
| 16 | Kenworthy Operating Co. | — | 34 | 0 | 9 | — | — |
| 17 | Citation Oil & Gas Corp. | — | 0 | 0 | 9 | — | — |
| 18 | Thomas Resources Corporation | — | 6 | 0 | 8 | — | — |
| 19 | Chi Operating Inc. | — | 0 | 0 | 7 | — | — |
| 20 | Seaboard Operating Co. | — | 1 | 0 | 6 | — | — |
| 21 | Kastman Oil Company LLC | — | 0 | 0 | 6 | — | — |
| 22 | Brown, H. L., Jr. | — | 50 | 0 | 5 | — | — |
| 23 | Leclair Operating L.L.C. | — | 0 | 0 | 5 | — | — |
| 24 | Cone, S. E. Jr. | — | 28 | 0 | 4 | — | — |
| 25 | Adkins, R. L. Corp. | — | 7 | 0 | 4 | — | — |
| 26 | Atapco | — | 3 | 0 | 4 | — | — |
| 27 | Kerr-McGee Corporation | — | 1 | 0 | 4 | — | — |
| 28 | New Reserves Group, Inc. | — | 14 | 0 | 3 | — | — |
| 29 | Texon Oil Company, Inc. | — | 11 | 0 | 3 | — | — |
| 30 | Clearfork Petroleum Inc. (A) | — | 0 | 0 | 3 | — | — |
| 31 | Cove Petroleum Corporation | — | 0 | 0 | 3 | — | — |
| 32 | Diamond Shamrock Exploration Co. | — | 0 | 0 | 3 | — | — |
| 33 | HNG Oil Company | — | 0 | 0 | 3 | — | — |
| 34 | L & L Oil Co.-Partnership | — | 0 | 0 | 3 | — | — |
| 35 | RMB Operating LLC | — | 0 | 0 | 3 | — | — |
| 36 | Texaco Producing Inc. | — | 0 | 0 | 3 | — | — |
| 37 | Xeric Oil & Gas Corporation | — | 0 | 0 | 3 | — | — |
| 38 | Tamarack Petroleum Company, Inc. | — | 19 | 0 | 2 | — | — |
| 39 | Burk Royalty Company | — | 7 | 0 | 2 | — | — |
| 40 | Centaur Petroleum Corporation | — | 6 | 0 | 2 | — | — |
| 41 | 3 $ Oil Company | — | 5 | 0 | 2 | — | — |
| 42 | EL Ran Inc. | — | 3 | 0 | 2 | — | — |
| 43 | Geomark Resources, L.L.C. | — | 2 | 0 | 2 | — | — |
| 44 | Ttfi Holdings, LLC | — | 2 | 0 | 2 | — | — |
| 45 | McCormick Operating Company | — | 1 | 0 | 2 | — | — |
| 46 | Apv McCamey LLC | — | 0 | 0 | 2 | — | — |
| 47 | Flat Top Operating LLC | — | 0 | 0 | 2 | — | — |
| 48 | Losure Ken | — | 0 | 0 | 2 | — | — |
| 49 | Monsanto Oil Company | — | 0 | 0 | 2 | — | — |
| 50 | Rasmussen Tom | — | 0 | 0 | 2 | — | — |
| 51 | Tonto Petroleum Corporation | — | 0 | 0 | 2 | — | — |
| 52 | Walkabout Operating LLC | — | 0 | 0 | 2 | — | — |
| 53 | Gulf Oil Corp. | — | 32 | 0 | 1 | — | — |
| 54 | Clearfork Petroleum, Inc | — | 26 | 0 | 1 | — | — |
| 55 | Threshold Development Co. | — | 8 | 0 | 1 | — | — |
| 56 | Barker, Lawrence Jr. | — | 5 | 0 | 1 | — | — |
| 57 | Wetzel, John M. | — | 3 | 0 | 1 | — | — |
| 58 | Panhandle Brine Sales Inc | — | 2 | 0 | 1 | — | — |
| 59 | Symco Petroleum Industries, Inc. | — | 2 | 0 | 1 | — | — |
| 60 | Burtco | — | 1 | 0 | 1 | — | — |
| 61 | K-C Energytex | — | 1 | 0 | 1 | — | — |
| 62 | Olsen Energy Inc. | — | 1 | 0 | 1 | — | — |
| 63 | Peccary Corporation | — | 1 | 0 | 1 | — | — |
| 64 | Petroleum Corporation of Texas | — | 1 | 0 | 1 | — | — |
| 65 | S Co. Operating | — | 1 | 0 | 1 | — | — |
| 66 | Tenneco Oil Co. | — | 1 | 0 | 1 | — | — |
| 67 | Texaco Inc. | — | 1 | 0 | 1 | — | — |
| 68 | Texas Tech University | — | 1 | 0 | 1 | — | — |
| 69 | Texas Tiger Oil & Gas | — | 1 | 0 | 1 | — | — |
| 70 | Adobe Oil & Gas Corp. | — | 0 | 0 | 1 | — | — |
| 71 | Alexander Resources Inc. | — | 0 | 0 | 1 | — | — |
| 72 | Aqueous Operating LLC | — | 0 | 0 | 1 | — | — |
| 73 | Bullin R. E. Operating Inc. | — | 0 | 0 | 1 | — | — |
| 74 | Fountain Houston & Assoc. | — | 0 | 0 | 1 | — | — |
| 75 | Hannon Charles E. (1) | — | 0 | 0 | 1 | — | — |
| 76 | Joplin Oil Co. Inc. | — | 0 | 0 | 1 | — | — |
| 77 | Low-End Oil LLC | — | 0 | 0 | 1 | — | — |
| 78 | Medlock SWD Co. Inc. | — | 0 | 0 | 1 | — | — |
| 79 | Mobil-GC Corp. | — | 0 | 0 | 1 | — | — |
| 80 | M & R Operating Company | — | 0 | 0 | 1 | — | — |
| 81 | Pan American Petroleum Corp. | — | 0 | 0 | 1 | — | — |
| 82 | Pierce & Dehlinger | — | 0 | 0 | 1 | — | — |
| 83 | Poor Boy Operating Co. | — | 0 | 0 | 1 | — | — |
| 84 | Sieber E. Hayes | — | 0 | 0 | 1 | — | — |
| 85 | Smith Bros. Casing Pullers Inc. | — | 0 | 0 | 1 | — | — |
| 86 | Titan Oil & Gas Inc. | — | 0 | 0 | 1 | — | — |
| 87 | Waylander LLC | — | 0 | 0 | 1 | — | — |
| 88 | Winn Operating LLC | — | 0 | 0 | 1 | — | — |
| 89 | WTG Exploration | — | 0 | 0 | 1 | — | — |
| 90 | Energas Company | — | 118 | 0 | 0 | — | — |
| 91 | Amoco Production Co.-Levelland | — | 38 | 0 | 0 | — | — |
| 92 | Amoco Production Company | — | 20 | 0 | 0 | — | — |
| 93 | Texland Petroleum Inc. | — | 20 | 0 | 0 | — | — |
| 94 | Medlock Operating Company | — | 17 | 0 | 0 | — | — |
| 95 | Kewanee Oil Company | — | 16 | 0 | 0 | — | — |
| 96 | Atmos Energy Corporation | — | 11 | 0 | 0 | — | — |
| 97 | Sbo Corporation | — | 11 | 0 | 0 | — | — |
| 98 | Cabot Corp. | — | 10 | 0 | 0 | — | — |
| 99 | Diamond Chemicals Company | — | 9 | 0 | 0 | — | — |
| 100 | South Ranch Oil Co., Inc. | — | 9 | 0 | 0 | — | — |
| 101 | Barker Exploration Co. | — | 8 | 0 | 0 | — | — |
| 102 | Conquest Oil Company | — | 7 | 0 | 0 | — | — |
| 103 | V-F Petroleum Inc. | — | 7 | 0 | 0 | — | — |
| 104 | Devon Energy Production Co, L.P. | — | 6 | 0 | 0 | — | — |
| 105 | Paladin Petroleum Corporation | — | 6 | 0 | 0 | — | — |
| 106 | Strike Operating Company LLC | — | 6 | 0 | 0 | — | — |
| 107 | Benson-McCown & Company | — | 5 | 0 | 0 | — | — |
| 108 | Broadway Operating Company Inc. | — | 5 | 0 | 0 | — | — |
| 109 | Duncan Drilling Co. | — | 5 | 0 | 0 | — | — |
| 110 | Enduro Operating II LLC | — | 5 | 0 | 0 | — | — |
| 111 | Hunt Energy Corp. | — | 5 | 0 | 0 | — | — |
| 112 | Mobil Producing TX. & N.M. Inc. | — | 5 | 0 | 0 | — | — |
| 113 | United Company | — | 5 | 0 | 0 | — | — |
| 114 | Cone & Petree Oil & Gas Exp. Inc | — | 4 | 0 | 0 | — | — |
| 115 | Four Sevens Operating Co., Ltd. | — | 4 | 0 | 0 | — | — |
| 116 | Jorford Corporation | — | 4 | 0 | 0 | — | — |
| 117 | Mann, Larry & Loren | — | 4 | 0 | 0 | — | — |
| 118 | McCormick Oil & Gas Corp. | — | 4 | 0 | 0 | — | — |
| 119 | Western Reserves Oil Company Inc | — | 4 | 0 | 0 | — | — |
| 120 | Consolidated Oil & Gas, Inc. | — | 3 | 0 | 0 | — | — |
| 121 | Juno Operating Company II, LLC | — | 3 | 0 | 0 | — | — |
| 122 | K & N Operating Co. | — | 3 | 0 | 0 | — | — |
| 123 | Ladd Petroleum Corp. | — | 3 | 0 | 0 | — | — |
| 124 | Midco Energy, Inc. | — | 3 | 0 | 0 | — | — |
| 125 | Monsanto Company | — | 3 | 0 | 0 | — | — |
| 126 | Samedan Oil Corporation | — | 3 | 0 | 0 | — | — |
| 127 | Santa FE Energy Co. | — | 3 | 0 | 0 | — | — |
| 128 | Santo Operating LLC | — | 3 | 0 | 0 | — | — |
| 129 | Texas Pacific Oil Company, Inc. | — | 3 | 0 | 0 | — | — |
| 130 | Argo Petroleum Corporation | — | 2 | 0 | 0 | — | — |
| 131 | Atmos Energy Corp., Mid-Tex Div. | — | 2 | 0 | 0 | — | — |
| 132 | Banam Corp. | — | 2 | 0 | 0 | — | — |
| 133 | Bridwell Oil Co. | — | 2 | 0 | 0 | — | — |
| 134 | Buckman Oil Company | — | 2 | 0 | 0 | — | — |
| 135 | Carlow Corp. | — | 2 | 0 | 0 | — | — |
| 136 | Cholla Petroleum, Inc. | — | 2 | 0 | 0 | — | — |
| 137 | Damson Oil Corp. | — | 2 | 0 | 0 | — | — |
| 138 | Empresa Energy LLC | — | 2 | 0 | 0 | — | — |
| 139 | Fort Worth Production Co. | — | 2 | 0 | 0 | — | — |
| 140 | Garrison, S.L. | — | 2 | 0 | 0 | — | — |
| 141 | Gates Petroleum Co., Inc. | — | 2 | 0 | 0 | — | — |
| 142 | Grantland Corporation | — | 2 | 0 | 0 | — | — |
| 143 | Halvey Energy, LLC | — | 2 | 0 | 0 | — | — |
| 144 | Inexco Oil Company | — | 2 | 0 | 0 | — | — |
| 145 | McDonnold Operating, Inc. | — | 2 | 0 | 0 | — | — |
| 146 | Melton, Joe, Drlg. Co., Inc. | — | 2 | 0 | 0 | — | — |
| 147 | NRM Petroleum Corp. | — | 2 | 0 | 0 | — | — |
| 148 | Pentad Resources, Inc. | — | 2 | 0 | 0 | — | — |
| 149 | Petro-West Corporation | — | 2 | 0 | 0 | — | — |
| 150 | Santo Petroleum LLC | — | 2 | 0 | 0 | — | — |
| 151 | Skees, W. A. | — | 2 | 0 | 0 | — | — |
| 152 | Sun Expl. & Prod. Co.-Midland | — | 2 | 0 | 0 | — | — |
| 153 | Texas City Refg. Inc. | — | 2 | 0 | 0 | — | — |
| 154 | Texas, L. Inc. | — | 2 | 0 | 0 | — | — |
| 155 | Threeway Drilling Co. | — | 2 | 0 | 0 | — | — |
| 156 | Triax Oil & Gas, Inc. | — | 2 | 0 | 0 | — | — |
| 157 | Wessely Energy Corporation | — | 2 | 0 | 0 | — | — |
| 158 | Yates Drilling Company | — | 2 | 0 | 0 | — | — |
| 159 | Young, Marshall R., Oil Company | — | 2 | 0 | 0 | — | — |
| 160 | Alta Energy Corporation | — | 1 | 0 | 0 | — | — |
| 161 | Anadarko Production Company | — | 1 | 0 | 0 | — | — |
| 162 | Apache Corporation | — | 1 | 0 | 0 | — | — |
| 163 | Arrow Energy, Inc. | — | 1 | 0 | 0 | — | — |
| 164 | Baxter, Murphy H. | — | 1 | 0 | 0 | — | — |
| 165 | B & B Operating Co, Inc. | — | 1 | 0 | 0 | — | — |
| 166 | Beach Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 167 | Beach Oil & Gas, Inc. | — | 1 | 0 | 0 | — | — |
| 168 | Beach, William N. | — | 1 | 0 | 0 | — | — |
| 169 | Bernal Oil & Gas, Inc. | — | 1 | 0 | 0 | — | — |
| 170 | Beverley, L. Enterprises Inc. | — | 1 | 0 | 0 | — | — |
| 171 | Bill's Welding | — | 1 | 0 | 0 | — | — |
| 172 | Blair, Jack N. | — | 1 | 0 | 0 | — | — |
| 173 | Can-Tex Energy Corp. | — | 1 | 0 | 0 | — | — |
| 174 | Caprock Oil Co. | — | 1 | 0 | 0 | — | — |
| 175 | Chama Petroleum Company | — | 1 | 0 | 0 | — | — |
| 176 | Chapman Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 177 | Chevron U. S. A. Inc. | — | 1 | 0 | 0 | — | — |
| 178 | Cities Service Oil & Gas Corp. | — | 1 | 0 | 0 | — | — |
| 179 | Coastal Oil & Gas Corporation | — | 1 | 0 | 0 | — | — |
| 180 | Cola Petroleum, Inc. | — | 1 | 0 | 0 | — | — |
| 181 | Concho Resources Inc. | — | 1 | 0 | 0 | — | — |
| 182 | Cory, Kenneth W. Ltd. | — | 1 | 0 | 0 | — | — |
| 183 | Day, Bobby | — | 1 | 0 | 0 | — | — |
| 184 | Day & Co. Inc. | — | 1 | 0 | 0 | — | — |
| 185 | D R B Company | — | 1 | 0 | 0 | — | — |
| 186 | Dry Fork Production Co., LLC | — | 1 | 0 | 0 | — | — |
| 187 | Durham, Inc. | — | 1 | 0 | 0 | — | — |
| 188 | Ellersly, Inc. | — | 1 | 0 | 0 | — | — |
| 189 | Exxon Corp. | — | 1 | 0 | 0 | — | — |
| 190 | Felmont Oil Corp. | — | 1 | 0 | 0 | — | — |
| 191 | Forge Energy, LLC | — | 1 | 0 | 0 | — | — |
| 192 | Gadco, Inc. | — | 1 | 0 | 0 | — | — |
| 193 | Galloway, Paul R. | — | 1 | 0 | 0 | — | — |
| 194 | General Crude Oil Co. | — | 1 | 0 | 0 | — | — |
| 195 | Hallwood Petroleum, Inc. | — | 1 | 0 | 0 | — | — |
| 196 | HCW Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 197 | Headington Oil Company | — | 1 | 0 | 0 | — | — |
| 198 | Hilliard Oil & Gas, Inc. | — | 1 | 0 | 0 | — | — |
| 199 | HMH Operators | — | 1 | 0 | 0 | — | — |
| 200 | Houston Oil & Minerals Corp. | — | 1 | 0 | 0 | — | — |
| 201 | Iramco | — | 1 | 0 | 0 | — | — |
| 202 | Jasmar Oil Co. | — | 1 | 0 | 0 | — | — |
| 203 | Knox Industries, Inc. | — | 1 | 0 | 0 | — | — |
| 204 | Lario Oil & Gas Company | — | 1 | 0 | 0 | — | — |
| 205 | L.C.S. Production Company | — | 1 | 0 | 0 | — | — |
| 206 | Leeper Oil Exp. & Prod. Inc. | — | 1 | 0 | 0 | — | — |
| 207 | Lovelady, Ike Inc. | — | 1 | 0 | 0 | — | — |
| 208 | Lynx Energy Company, Inc. | — | 1 | 0 | 0 | — | — |
| 209 | Maralo, LLC | — | 1 | 0 | 0 | — | — |
| 210 | Matthews, Jim & Carolyn | — | 1 | 0 | 0 | — | — |
| 211 | McDonald Production | — | 1 | 0 | 0 | — | — |
| 212 | Medlock SWD Company | — | 1 | 0 | 0 | — | — |
| 213 | Melton Drilling & Explor. Co. | — | 1 | 0 | 0 | — | — |
| 214 | Mendenhall, R.A. Associates, Ltd | — | 1 | 0 | 0 | — | — |
| 215 | Mesa Petroleum Co. | — | 1 | 0 | 0 | — | — |
| 216 | Mewbourne Oil Co. | — | 1 | 0 | 0 | — | — |
| 217 | Mormac Oil & Gas Co. | — | 1 | 0 | 0 | — | — |
| 218 | Munn, W. H. Operating Company | — | 1 | 0 | 0 | — | — |
| 219 | Natomas North America, Inc. | — | 1 | 0 | 0 | — | — |
| 220 | North American Royalties, Inc. | — | 1 | 0 | 0 | — | — |
| 221 | Oilwell Operators, Inc. | — | 1 | 0 | 0 | — | — |
| 222 | Patterson, Robert L. | — | 1 | 0 | 0 | — | — |
| 223 | Petro Energy Investments Inc. | — | 1 | 0 | 0 | — | — |
| 224 | Petroleum Basins Exploration,inc | — | 1 | 0 | 0 | — | — |
| 225 | Rio Petroleum, Inc. | — | 1 | 0 | 0 | — | — |
| 226 | Southwest Energy & Explor. Co. | — | 1 | 0 | 0 | — | — |
| 227 | Sundance Oil Company | — | 1 | 0 | 0 | — | — |
| 228 | Sun Exploration & Production Co. | — | 1 | 0 | 0 | — | — |
| 229 | Superior Oil Company, The | — | 1 | 0 | 0 | — | — |
| 230 | Tasco Operations | — | 1 | 0 | 0 | — | — |
| 231 | Texas, L. Petroleum, Inc. | — | 1 | 0 | 0 | — | — |
| 232 | Texas Oil & Gas Corp. | — | 1 | 0 | 0 | — | — |
| 233 | Thomas Oil Company | — | 1 | 0 | 0 | — | — |
| 234 | Thomason, Windell A. Inc. | — | 1 | 0 | 0 | — | — |
| 235 | Turner, J. R. | — | 1 | 0 | 0 | — | — |
| 236 | TXO Production Corp. | — | 1 | 0 | 0 | — | — |
| 237 | Tycoon Operating Company, Inc. | — | 1 | 0 | 0 | — | — |
| 238 | W a & G Oil & Gas Co., Inc. | — | 1 | 0 | 0 | — | — |
| 239 | Way & Mills | — | 1 | 0 | 0 | — | — |
| 240 | Westland Oil Development Corp. | — | 1 | 0 | 0 | — | — |
| 241 | Wil-Mc Oil Corporation, The | — | 1 | 0 | 0 | — | — |
| 242 | Woods Petroleum Corporation | — | 1 | 0 | 0 | — | — |
| 243 | WTG Exploration, Inc. | — | 1 | 0 | 0 | — | — |
| 244 | Wylie, Jerry E. Oil Drilling Co. | — | 1 | 0 | 0 | — | — |
| 245 | Yates, Harvey E. Co. | — | 1 | 0 | 0 | — | — |