| 1 | Magnolia Oil & Gas Operating LLC | 38 | 39 | 38 | 550 | Sep 30, 2018 | Jul 8, 2026 |
| 2 | Sage Natural Resources LLC | 29 | 29 | 29 | 26 | Nov 9, 2023 | Oct 19, 2026 |
| 3 | Ironroc Energy | 12 | 12 | 12 | 2 | Sep 30, 2018 | Sep 7, 2022 |
| 4 | Armor Lonestar, LLC | 12 | 12 | 12 | 0 | Mar 26, 2018 | Oct 8, 2018 |
| 5 | Riley Permian Operating Co, LLC | 6 | 6 | 6 | 0 | Oct 25, 2019 | Dec 7, 2022 |
| 6 | Wildhorse Resources Mngt Co, LLC | 5 | 5 | 5 | 0 | Dec 14, 2017 | Sep 30, 2018 |
| 7 | Wildfire Energy Operating LLC | 2 | 2 | 2 | 26 | Aug 21, 2026 | Sep 10, 2026 |
| 8 | Enervest Operating, L.L.C. | 2 | 23 | 2 | 25 | Jul 31, 2018 | Sep 30, 2018 |
| 9 | Sellers Lease Service, Inc. | 2 | 2 | 0 | 2 | Nov 19, 2018 | Jan 28, 2020 |
| 10 | Bosco Petroleum LLC | 2 | 2 | 0 | 0 | Sep 2, 2022 | Jan 27, 2023 |
| 11 | Flint Hills Resources, LC | 2 | 2 | 0 | 0 | Sep 18, 2020 | Sep 21, 2020 |
| 12 | Matrix Petroleum, LLC | 2 | 2 | 2 | 0 | May 25, 2018 | May 25, 2018 |
| 13 | Tex-Lee Operating Company | 1 | 71 | 0 | 41 | May 17, 2018 | May 17, 2018 |
| 14 | Ironbloom Operating, LLC | 1 | 1 | 1 | 7 | Jul 16, 2026 | Jul 16, 2026 |
| 15 | Everest Resource Company | 1 | 1 | 0 | 5 | Nov 2, 2021 | Nov 2, 2021 |
| 16 | Creative Oil & Gas Operating,llc | 1 | 1 | 1 | 1 | Sep 30, 2018 | Sep 30, 2018 |
| 17 | Oklatex Energy, Inc. | 1 | 1 | 0 | 0 | Dec 10, 2021 | Dec 10, 2021 |
| 18 | Placid Operating, LLC | 1 | 1 | 0 | 0 | Aug 12, 2019 | Aug 12, 2019 |
| 19 | Rio-Tex, Inc. | 1 | 1 | 0 | 0 | Oct 18, 2018 | Oct 18, 2018 |
| 20 | Trivista Operating LLC | — | 0 | 0 | 170 | — | — |
| 21 | Ernest Operating Company | — | 0 | 0 | 108 | — | — |
| 22 | Ymt Operating | — | 0 | 0 | 104 | — | — |
| 23 | EOG Resources Inc. | — | 0 | 0 | 62 | — | — |
| 24 | Union Pacific Resources Company | — | 156 | 0 | 52 | — | — |
| 25 | U. S. Operating, Inc. | — | 252 | 0 | 50 | — | — |
| 26 | Leexus Oil LLC | — | 11 | 0 | 33 | — | — |
| 27 | WCS Oil and Gas Corporation | — | 93 | 0 | 31 | — | — |
| 28 | Santa FE - Windsor Producing Co. | — | 115 | 0 | 30 | — | — |
| 29 | Santa FE Minerals, Inc. | — | 48 | 0 | 24 | — | — |
| 30 | Atlas Operating LLC | — | 0 | 0 | 23 | — | — |
| 31 | Digital Operating Company LLC | — | 0 | 0 | 23 | — | — |
| 32 | Browning Oil Company, Inc. | — | 13 | 0 | 20 | — | — |
| 33 | Anadarko E&P Company LP | — | 18 | 0 | 18 | — | — |
| 34 | United Oil & Minerals, Inc. | — | 32 | 0 | 17 | — | — |
| 35 | Senora Resources, Inc. | — | 1 | 0 | 16 | — | — |
| 36 | Austin Minerals Inc. | — | 0 | 0 | 16 | — | — |
| 37 | WCS Oil & Gas Corporation | — | 16 | 0 | 15 | — | — |
| 38 | Riley Exploration Opg Co, LLC | — | 9 | 0 | 15 | — | — |
| 39 | Heci Exploration Company | — | 6 | 0 | 14 | — | — |
| 40 | Lindow Oil & Gas LLC | — | 0 | 0 | 14 | — | — |
| 41 | Windsor Producing Co. | — | 150 | 0 | 12 | — | — |
| 42 | Cirrus Production Company | — | 3 | 0 | 12 | — | — |
| 43 | Anadarko Austin Chalk Company | — | 7 | 0 | 11 | — | — |
| 44 | Paleo Oil Company LLC | — | 0 | 0 | 11 | — | — |
| 45 | Adams Resources Expl. Corp. | — | 0 | 0 | 10 | — | — |
| 46 | Fenn, Bill Inc. | — | 43 | 0 | 9 | — | — |
| 47 | Union Pacific Austin Chalk Co. | — | 40 | 0 | 9 | — | — |
| 48 | Williams, Clayton W., Jr. | — | 88 | 0 | 8 | — | — |
| 49 | Gemini Exploration Company | — | 86 | 0 | 8 | — | — |
| 50 | Bommer Engineering Co. | — | 0 | 0 | 8 | — | — |
| 51 | Progenies Operating LLC | — | 0 | 0 | 8 | — | — |
| 52 | San Dia Producing Company | — | 0 | 0 | 8 | — | — |
| 53 | Houston Oil & Minerals Corp. | — | 66 | 0 | 7 | — | — |
| 54 | Bar-Mac Investments Inc. | — | 34 | 0 | 7 | — | — |
| 55 | Williams, Clayton Energy, Inc. | — | 17 | 0 | 7 | — | — |
| 56 | Smith Brothers Oil & Gas Inc. | — | 0 | 0 | 7 | — | — |
| 57 | Hollub, Lambert Drilling Company | — | 64 | 0 | 6 | — | — |
| 58 | Sha-Jam Operating Corp. | — | 7 | 0 | 6 | — | — |
| 59 | Texas Vanguard Oil Company | — | 1 | 0 | 6 | — | — |
| 60 | Ads Oil & Gas Inc. | — | 0 | 0 | 6 | — | — |
| 61 | Betro Inc. | — | 0 | 0 | 6 | — | — |
| 62 | E & G Wells Rehab Project LLC | — | 0 | 0 | 6 | — | — |
| 63 | E P C Oil & Gas Inc. | — | 0 | 0 | 6 | — | — |
| 64 | Exxon Mobil Corporation | — | 0 | 0 | 6 | — | — |
| 65 | Hilcorp Energy Company | — | 0 | 0 | 6 | — | — |
| 66 | Redbud E & P Inc. | — | 0 | 0 | 6 | — | — |
| 67 | Skytop Oil & Gas | — | 0 | 0 | 6 | — | — |
| 68 | Stetson Oil | — | 0 | 0 | 6 | — | — |
| 69 | Tipco | — | 17 | 0 | 5 | — | — |
| 70 | RGR Production | — | 15 | 0 | 5 | — | — |
| 71 | Exxon Corp. | — | 12 | 0 | 5 | — | — |
| 72 | Torch Operating Company | — | 10 | 0 | 5 | — | — |
| 73 | Coffman, Thomas D. Inc. | — | 5 | 0 | 5 | — | — |
| 74 | Majestic Petroleum Corporation | — | 3 | 0 | 5 | — | — |
| 75 | Bhec Corporation | — | 0 | 0 | 5 | — | — |
| 76 | North Lake Resources LLC | — | 0 | 0 | 5 | — | — |
| 77 | Pacer-Atlas Inc. | — | 0 | 0 | 5 | — | — |
| 78 | Columbia Gas Development Corp. | — | 24 | 0 | 4 | — | — |
| 79 | Leonard, J. A. | — | 14 | 0 | 4 | — | — |
| 80 | Sage Energy Company | — | 11 | 0 | 4 | — | — |
| 81 | Rme Petroleum Company | — | 8 | 0 | 4 | — | — |
| 82 | Modern Exploration, Inc. | — | 7 | 0 | 4 | — | — |
| 83 | Marathon Oil Company | — | 5 | 0 | 4 | — | — |
| 84 | Parkway Petroleum, Inc. | — | 5 | 0 | 4 | — | — |
| 85 | Geosouthern Energy Corporation | — | 3 | 0 | 4 | — | — |
| 86 | SM Energy Company | — | 3 | 0 | 4 | — | — |
| 87 | Douglas Petroleum Inc. | — | 0 | 0 | 4 | — | — |
| 88 | Field Petroleum Corp. | — | 0 | 0 | 4 | — | — |
| 89 | Jda Energy LLC | — | 0 | 0 | 4 | — | — |
| 90 | Lynco Oilfield Equipment Inc. | — | 0 | 0 | 4 | — | — |
| 91 | Moore Petroleum Service Inc. | — | 0 | 0 | 4 | — | — |
| 92 | U. S. Resources, Inc. | — | 53 | 0 | 3 | — | — |
| 93 | Champlin Exploration, Inc. | — | 52 | 0 | 3 | — | — |
| 94 | Nucorp Energy, Inc. | — | 28 | 0 | 3 | — | — |
| 95 | Oversea Oil Co. | — | 20 | 0 | 3 | — | — |
| 96 | Brittany Drilling Co. | — | 18 | 0 | 3 | — | — |
| 97 | Arrow Exploration Company | — | 12 | 0 | 3 | — | — |
| 98 | Lina Exploration, Inc. | — | 12 | 0 | 3 | — | — |
| 99 | Cag Petroleum Corp. | — | 11 | 0 | 3 | — | — |
| 100 | Mobil Producing TX. & N.M. Inc. | — | 11 | 0 | 3 | — | — |
| 101 | Tri-Star Exploration, Inc. | — | 9 | 0 | 3 | — | — |
| 102 | Rme Austin Chalk Company | — | 5 | 0 | 3 | — | — |
| 103 | Anatexas Offshore, Inc. | — | 4 | 0 | 3 | — | — |
| 104 | J & G Operating, Inc. | — | 3 | 0 | 3 | — | — |
| 105 | A. O. & M. Exploration, Inc. | — | 2 | 0 | 3 | — | — |
| 106 | Dominion Oklahoma Texas E&P, Inc | — | 1 | 0 | 3 | — | — |
| 107 | Redwood Energy, Inc. | — | 1 | 0 | 3 | — | — |
| 108 | Bellwether Exploration Company | — | 0 | 0 | 3 | — | — |
| 109 | Damson Oil Corp. | — | 0 | 0 | 3 | — | — |
| 110 | HJH Resources LLC | — | 0 | 0 | 3 | — | — |
| 111 | McDaniel Company Inc. The | — | 0 | 0 | 3 | — | — |
| 112 | Poco LLC | — | 0 | 0 | 3 | — | — |
| 113 | Salty Dog Service Company LLC | — | 0 | 0 | 3 | — | — |
| 114 | South Forty Energy Inc. | — | 0 | 0 | 3 | — | — |
| 115 | United Oil & Minerals L. P. | — | 0 | 0 | 3 | — | — |
| 116 | WCS Petroleum Company | — | 26 | 0 | 2 | — | — |
| 117 | East Texas Exploration | — | 18 | 0 | 2 | — | — |
| 118 | Holifield Oil Company | — | 10 | 0 | 2 | — | — |
| 119 | Aop Operating Corporation | — | 3 | 0 | 2 | — | — |
| 120 | BBL Oil & Gas Company | — | 3 | 0 | 2 | — | — |
| 121 | Maverick Prod. Co. Inc. | — | 3 | 0 | 2 | — | — |
| 122 | Reh Energy, Inc. | — | 3 | 0 | 2 | — | — |
| 123 | H-M Oil Company | — | 2 | 0 | 2 | — | — |
| 124 | Penn Resources, Inc. | — | 2 | 0 | 2 | — | — |
| 125 | Pin Oak Petroleum, Inc. | — | 2 | 0 | 2 | — | — |
| 126 | TXO Production Corp. | — | 2 | 0 | 2 | — | — |
| 127 | MW Petroleum Corporation | — | 1 | 0 | 2 | — | — |
| 128 | M W Production Co. | — | 1 | 0 | 2 | — | — |
| 129 | Ads | — | 0 | 0 | 2 | — | — |
| 130 | Baird Oil Company Inc | — | 0 | 0 | 2 | — | — |
| 131 | Dime Box Oil Company | — | 0 | 0 | 2 | — | — |
| 132 | D. O. G. Operating LLC | — | 0 | 0 | 2 | — | — |
| 133 | Elevate SWD LLC | — | 0 | 0 | 2 | — | — |
| 134 | GRC Exploration Inc. | — | 0 | 0 | 2 | — | — |
| 135 | Harbor Resources LLC | — | 0 | 0 | 2 | — | — |
| 136 | Home Petroleum Corp. | — | 0 | 0 | 2 | — | — |
| 137 | KCT Producing | — | 0 | 0 | 2 | — | — |
| 138 | L & L Investments | — | 0 | 0 | 2 | — | — |
| 139 | McRae Energy Corp. | — | 0 | 0 | 2 | — | — |
| 140 | Micro Operating Inc. | — | 0 | 0 | 2 | — | — |
| 141 | Oklatex Oilfield Eqpt Inc | — | 0 | 0 | 2 | — | — |
| 142 | Partners Production Inc. | — | 0 | 0 | 2 | — | — |
| 143 | P&B Petroleum LLC | — | 0 | 0 | 2 | — | — |
| 144 | Phillip David Martin | — | 0 | 0 | 2 | — | — |
| 145 | Quinney K. A. | — | 0 | 0 | 2 | — | — |
| 146 | Rathburn Land & Devel Inc. | — | 0 | 0 | 2 | — | — |
| 147 | Salt of the Earth Energy LLC | — | 0 | 0 | 2 | — | — |
| 148 | Seguro Well Service Inc. | — | 0 | 0 | 2 | — | — |
| 149 | Texas Oil and Gas Operating LLC | — | 0 | 0 | 2 | — | — |
| 150 | Velocity Oil and Gas LLC | — | 0 | 0 | 2 | — | — |
| 151 | Wyant Roy Oil/Gas Consultant | — | 0 | 0 | 2 | — | — |
| 152 | XTO Energy Inc. | — | 0 | 0 | 2 | — | — |
| 153 | Humble Exploration Co., Inc. | — | 132 | 0 | 1 | — | — |
| 154 | Austin Oil & Mineral | — | 40 | 0 | 1 | — | — |
| 155 | Ernest Oil Company | — | 36 | 0 | 1 | — | — |
| 156 | General Production Company, Inc. | — | 24 | 0 | 1 | — | — |
| 157 | Nobleson Operating, Inc. | — | 21 | 0 | 1 | — | — |
| 158 | Home Petroleum Corporation | — | 18 | 0 | 1 | — | — |
| 159 | Ada Oil Exploration Corp. | — | 14 | 0 | 1 | — | — |
| 160 | Ferguson, Ted R.,inc. | — | 14 | 0 | 1 | — | — |
| 161 | Houston Petroleum Company | — | 12 | 0 | 1 | — | — |
| 162 | Impetro Operating LLC | — | 9 | 0 | 1 | — | — |
| 163 | S. & S. Oil Properties | — | 8 | 0 | 1 | — | — |
| 164 | Black Gold Operating Co., Inc. | — | 7 | 0 | 1 | — | — |
| 165 | W C S Petroleum, Inc. | — | 7 | 0 | 1 | — | — |
| 166 | Everest Minerals Corp. | — | 6 | 0 | 1 | — | — |
| 167 | Great West Energy & Expl., Inc. | — | 6 | 0 | 1 | — | — |
| 168 | Phillips Petroleum Company | — | 6 | 0 | 1 | — | — |
| 169 | Texakoma Oil & Gas Corporation | — | 6 | 0 | 1 | — | — |
| 170 | Crescent Exploration Company | — | 5 | 0 | 1 | — | — |
| 171 | Keystone Exploration, Inc | — | 5 | 0 | 1 | — | — |
| 172 | Riley Exploration, LLC | — | 5 | 0 | 1 | — | — |
| 173 | Clark Expl. & Prod., Co., Inc. | — | 4 | 0 | 1 | — | — |
| 174 | Oasis Operating, Inc. | — | 4 | 0 | 1 | — | — |
| 175 | Penntex Petroleum Corporation | — | 4 | 0 | 1 | — | — |
| 176 | Brent Explorations, Inc. | — | 3 | 0 | 1 | — | — |
| 177 | Delaware Ecco Petroleum Inc. | — | 3 | 0 | 1 | — | — |
| 178 | Edsel, Robert M. Inc. | — | 3 | 0 | 1 | — | — |
| 179 | Estate Oil & Gas Corp. | — | 3 | 0 | 1 | — | — |
| 180 | Flag-Redfern Oil Company | — | 3 | 0 | 1 | — | — |
| 181 | Gantt Operating Company, Inc. | — | 3 | 0 | 1 | — | — |
| 182 | KP Exploration, Inc. | — | 3 | 0 | 1 | — | — |
| 183 | Alcorn, C. W. Jr. | — | 2 | 0 | 1 | — | — |
| 184 | Alcorn Prod Co. | — | 2 | 0 | 1 | — | — |
| 185 | Atlas Energy Corp. | — | 2 | 0 | 1 | — | — |
| 186 | Cannan, Morris | — | 2 | 0 | 1 | — | — |
| 187 | Fedor Prospect Inc. | — | 2 | 0 | 1 | — | — |
| 188 | Gasper Rice Resources, Ltd. | — | 2 | 0 | 1 | — | — |
| 189 | Ginger Petroleum Company, Inc. | — | 2 | 0 | 1 | — | — |
| 190 | LWG, Inc. | — | 2 | 0 | 1 | — | — |
| 191 | Mid Continent Resources, Inc. | — | 2 | 0 | 1 | — | — |
| 192 | Polaris Petroleum, Inc. | — | 2 | 0 | 1 | — | — |
| 193 | Texas Onshore Energy, Inc. | — | 2 | 0 | 1 | — | — |
| 194 | 3 G Investments, Inc. | — | 1 | 0 | 1 | — | — |
| 195 | B.E.D. Oil & Gas, Inc. | — | 1 | 0 | 1 | — | — |
| 196 | Berry Bros. Petroleum, Inc | — | 1 | 0 | 1 | — | — |
| 197 | Brodkin, A. J. | — | 1 | 0 | 1 | — | — |
| 198 | Central Plains Oil&gas Corp. (A) | — | 1 | 0 | 1 | — | — |
| 199 | Esenjay Petroleum Corp. | — | 1 | 0 | 1 | — | — |
| 200 | Itr Petroleum, Inc. | — | 1 | 0 | 1 | — | — |
| 201 | Kandahar Oil Corporation | — | 1 | 0 | 1 | — | — |
| 202 | Lacy, F. B. Inc. | — | 1 | 0 | 1 | — | — |
| 203 | Morris, W. Dale Inc. | — | 1 | 0 | 1 | — | — |
| 204 | Parker & Parsley, Inc. | — | 1 | 0 | 1 | — | — |
| 205 | Reach Exploration, Inc. | — | 1 | 0 | 1 | — | — |
| 206 | Retamco, Inc | — | 1 | 0 | 1 | — | — |
| 207 | Saxon Oil Company | — | 1 | 0 | 1 | — | — |
| 208 | Seay Oil & Gas, Ltd. | — | 1 | 0 | 1 | — | — |
| 209 | Tara Petroleum Company | — | 1 | 0 | 1 | — | — |
| 210 | TDC Exploration Inc. | — | 1 | 0 | 1 | — | — |
| 211 | Tekna Synergy Corporation | — | 1 | 0 | 1 | — | — |
| 212 | Texas Central Exploration | — | 1 | 0 | 1 | — | — |
| 213 | Tipperary Oil & Gas Corporation | — | 1 | 0 | 1 | — | — |
| 214 | Y M T Company | — | 1 | 0 | 1 | — | — |
| 215 | Advance Hydrocarbon Corporation | — | 0 | 0 | 1 | — | — |
| 216 | A.j.& M. Oil Company | — | 0 | 0 | 1 | — | — |
| 217 | Alexander Land & Dev. Co. Inc. | — | 0 | 0 | 1 | — | — |
| 218 | Allstate Vacuum & Tanks Inc. | — | 0 | 0 | 1 | — | — |
| 219 | Ammex Petroleum Inc. | — | 0 | 0 | 1 | — | — |
| 220 | Bass Petroleum Inc | — | 0 | 0 | 1 | — | — |
| 221 | B.I. Operating | — | 0 | 0 | 1 | — | — |
| 222 | Black Stone Energy Company | — | 0 | 0 | 1 | — | — |
| 223 | Brown Gayle | — | 0 | 0 | 1 | — | — |
| 224 | Caddo Energy Co. Inc. | — | 0 | 0 | 1 | — | — |
| 225 | Centennial Royalty Co Hart M Ray | — | 0 | 0 | 1 | — | — |
| 226 | Challenger Oil | — | 0 | 0 | 1 | — | — |
| 227 | CML Exploration LLC | — | 0 | 0 | 1 | — | — |
| 228 | Comet Oil & Gas Inc. | — | 0 | 0 | 1 | — | — |
| 229 | CRM Energy Inc. | — | 0 | 0 | 1 | — | — |
| 230 | C S J Inc. | — | 0 | 0 | 1 | — | — |
| 231 | Dawson Welltech L.C. | — | 0 | 0 | 1 | — | — |
| 232 | D.J. Oilfield Salvage Inc. | — | 0 | 0 | 1 | — | — |
| 233 | Dodd Disposal Service Inc. | — | 0 | 0 | 1 | — | — |
| 234 | DTS LLC | — | 0 | 0 | 1 | — | — |
| 235 | Eagle Ford Hunter Resources Inc. | — | 0 | 0 | 1 | — | — |
| 236 | Emerald Operating Company Inc. | — | 0 | 0 | 1 | — | — |
| 237 | Express Oil Co. | — | 0 | 0 | 1 | — | — |
| 238 | Goetz Services Inc. | — | 0 | 0 | 1 | — | — |
| 239 | Gunbarrel Partners | — | 0 | 0 | 1 | — | — |
| 240 | H - a Energy Inc. | — | 0 | 0 | 1 | — | — |
| 241 | Highlands Operating Company Inc. | — | 0 | 0 | 1 | — | — |
| 242 | Horse Prairie Production Inc. | — | 0 | 0 | 1 | — | — |
| 243 | Hrbacek Stephen A. Oil & Gas Co | — | 0 | 0 | 1 | — | — |
| 244 | Humble Oil & Refining Co. | — | 0 | 0 | 1 | — | — |
| 245 | Inexco Oil Company | — | 0 | 0 | 1 | — | — |
| 246 | Jam Resources Inc. | — | 0 | 0 | 1 | — | — |
| 247 | Jenkins Oil Corporation | — | 0 | 0 | 1 | — | — |
| 248 | Kaiser-Francis Oil Company | — | 0 | 0 | 1 | — | — |
| 249 | Kent Energy Inc. | — | 0 | 0 | 1 | — | — |
| 250 | K & R Oil | — | 0 | 0 | 1 | — | — |
| 251 | Magallanes Manuel G. | — | 0 | 0 | 1 | — | — |
| 252 | Mag Exploration LLC | — | 0 | 0 | 1 | — | — |
| 253 | Magnetic Energy Corp. | — | 0 | 0 | 1 | — | — |
| 254 | Mameco | — | 0 | 0 | 1 | — | — |
| 255 | M D Vacuum & Equipment Inc. | — | 0 | 0 | 1 | — | — |
| 256 | Merica Oil Operating Company LLC | — | 0 | 0 | 1 | — | — |
| 257 | Mineral Technologies Inc. | — | 0 | 0 | 1 | — | — |
| 258 | M. K. Production | — | 0 | 0 | 1 | — | — |
| 259 | National Management Co. Inc. | — | 0 | 0 | 1 | — | — |
| 260 | Noble Production Company Inc. | — | 0 | 0 | 1 | — | — |
| 261 | Oil Well Salvage Co. | — | 0 | 0 | 1 | — | — |
| 262 | Ows Energy Inc. | — | 0 | 0 | 1 | — | — |
| 263 | Pool Production Services | — | 0 | 0 | 1 | — | — |
| 264 | Production Investments Inc. | — | 0 | 0 | 1 | — | — |
| 265 | Q. V. Services of Texas L.P. | — | 0 | 0 | 1 | — | — |
| 266 | Reavis Tommy | — | 0 | 0 | 1 | — | — |
| 267 | Rockefeller Hughes (USA) LLC | — | 0 | 0 | 1 | — | — |
| 268 | Ryann Operating LLC | — | 0 | 0 | 1 | — | — |
| 269 | S & JB Inc. | — | 0 | 0 | 1 | — | — |
| 270 | S&jb LLC | — | 0 | 0 | 1 | — | — |
| 271 | Snyder Oil Company | — | 0 | 0 | 1 | — | — |
| 272 | Srjc Enterprises LLC | — | 0 | 0 | 1 | — | — |
| 273 | Summit Resources Mgmt. LLC. | — | 0 | 0 | 1 | — | — |
| 274 | Swift Energy Company | — | 0 | 0 | 1 | — | — |
| 275 | TDT Production Inc. | — | 0 | 0 | 1 | — | — |
| 276 | Tex-Lee Exploration Company | — | 0 | 0 | 1 | — | — |
| 277 | Thorp Enterprises | — | 0 | 0 | 1 | — | — |
| 278 | Tracker Oil & Gas Inc. | — | 0 | 0 | 1 | — | — |
| 279 | Trestle Creek Properties LLC | — | 0 | 0 | 1 | — | — |
| 280 | Valence Operating Company | — | 0 | 0 | 1 | — | — |
| 281 | Valor Oil Inc. | — | 0 | 0 | 1 | — | — |
| 282 | Ward Living Trust | — | 0 | 0 | 1 | — | — |
| 283 | Warren Production Services | — | 0 | 0 | 1 | — | — |
| 284 | Westlands Resources Corporation | — | 0 | 0 | 1 | — | — |
| 285 | Whiting Oil and Gas Corporation | — | 0 | 0 | 1 | — | — |
| 286 | Wimco | — | 0 | 0 | 1 | — | — |
| 287 | Venado Oil & Gas, LLC | — | 68 | 0 | 0 | — | — |
| 288 | Superior Oil Company, The | — | 46 | 0 | 0 | — | — |
| 289 | Weber Energy Corporation | — | 27 | 0 | 0 | — | — |
| 290 | Aegean Oil Corp. | — | 18 | 0 | 0 | — | — |
| 291 | Dobos, James D. Corporation | — | 17 | 0 | 0 | — | — |
| 292 | General Prod. Corp. | — | 16 | 0 | 0 | — | — |
| 293 | Bar-Mac | — | 15 | 0 | 0 | — | — |
| 294 | Cordell Oil Company | — | 14 | 0 | 0 | — | — |
| 295 | San Antonio Gas & Oil, Inc. | — | 14 | 0 | 0 | — | — |
| 296 | Bar M Petroleum Co., Inc. | — | 13 | 0 | 0 | — | — |
| 297 | Central Plains Oil and Gas Corp. | — | 12 | 0 | 0 | — | — |
| 298 | Stanton Mineral Development Inc | — | 11 | 0 | 0 | — | — |
| 299 | Bar-Mac & Hollub Drilling Co. | — | 10 | 0 | 0 | — | — |
| 300 | Brammer Engineering, Inc. | — | 10 | 0 | 0 | — | — |