| 1 | Pioneer Natural Res. USA, Inc. | 211 | 3,127 | 211 | 2,933 | Nov 5, 2025 | Oct 15, 2026 |
| 2 | Diamondback E&P LLC | 205 | 1,909 | 205 | 4,652 | Nov 12, 2025 | Oct 26, 2026 |
| 3 | Ovintiv USA Inc. | 65 | 436 | 65 | 1,115 | Dec 9, 2025 | Jul 27, 2026 |
| 4 | Oxyrock Operating, LLC | 49 | 102 | 49 | 462 | Jan 27, 2026 | Sep 2, 2026 |
| 5 | High Noon Resources, LLC | 14 | 14 | 13 | 36 | Oct 29, 2026 | Oct 30, 2026 |
| 6 | DE V Operating, LLC | 14 | 14 | 14 | 0 | Oct 8, 2026 | Oct 9, 2026 |
| 7 | Cutbow Operating, LLC | 12 | 66 | 12 | 91 | Sep 30, 2026 | Oct 29, 2026 |
| 8 | Deep Blue Operating I LLC | 8 | 11 | 0 | 46 | Nov 7, 2025 | Jul 16, 2026 |
| 9 | Deep Blue Central LLC | 8 | 18 | 0 | 7 | Feb 27, 2026 | Apr 24, 2026 |
| 10 | XTO Energy Inc. | 7 | 704 | 7 | 517 | Oct 23, 2026 | Oct 26, 2026 |
| 11 | COG Operating LLC | 5 | 255 | 5 | 545 | Sep 9, 2026 | Sep 10, 2026 |
| 12 | Apache Corporation | 4 | 7 | 4 | 44 | Nov 21, 2025 | Nov 21, 2025 |
| 13 | Hibernia Resources IV, LLC | 4 | 9 | 4 | 41 | Mar 26, 2026 | Mar 26, 2026 |
| 14 | Velocity Water Solutions, LP | 4 | 13 | 0 | 4 | May 19, 2026 | May 19, 2026 |
| 15 | Deep Blue North LLC | 2 | 3 | 0 | 0 | Oct 1, 2026 | Oct 5, 2026 |
| 16 | Stonehill Martin, LLC | 1 | 6 | 0 | 9 | Nov 7, 2025 | Nov 7, 2025 |
| 17 | Overflow Energy Permian, LLC | 1 | 13 | 0 | 3 | Nov 20, 2025 | Nov 20, 2025 |
| 18 | Junction Resources OP, LLC | 1 | 4 | 0 | 1 | Jun 11, 2026 | Jun 11, 2026 |
| 19 | Energy Transfer Company | 1 | 3 | 0 | 0 | Jul 28, 2026 | Jul 28, 2026 |
| 20 | Backyard Environ State Line LLC | 1 | 1 | 0 | 0 | Sep 30, 2026 | Sep 30, 2026 |
| 21 | Hope Midstream LLC | 1 | 1 | 0 | 0 | Aug 5, 2026 | Aug 5, 2026 |
| 22 | New Height Energy LLC | — | 0 | 0 | 407 | — | — |
| 23 | Endeavor Energy Resources L.P. | — | 2,597 | 0 | 290 | — | — |
| 24 | Occidental Permian Ltd. | — | 442 | 0 | 275 | — | — |
| 25 | Civitas Permian Operating, LLC | — | 21 | 0 | 233 | — | — |
| 26 | Cox, John L. | — | 147 | 0 | 194 | — | — |
| 27 | Scout Energy Management LLC | — | 3 | 0 | 188 | — | — |
| 28 | SM Energy Company | — | 259 | 0 | 177 | — | — |
| 29 | Birch Operations, Inc. | — | 199 | 0 | 126 | — | — |
| 30 | Zapata Petroleum Corporation | — | 0 | 0 | 114 | — | — |
| 31 | R K Petroleum Corp. | — | 240 | 0 | 82 | — | — |
| 32 | Prime Operating Company | — | 22 | 0 | 82 | — | — |
| 33 | Petroplex Energy Inc. | — | 58 | 0 | 57 | — | — |
| 34 | Avid Energy Assets LLC | — | 0 | 0 | 56 | — | — |
| 35 | Parker & Parsley Development L.P | — | 11 | 0 | 48 | — | — |
| 36 | Texaco E & P Inc. | — | 30 | 0 | 43 | — | — |
| 37 | Chevron U. S. A. Inc. | — | 89 | 0 | 42 | — | — |
| 38 | Henry Petroleum Corp. | — | 59 | 0 | 40 | — | — |
| 39 | Parker & Parsley Petroleum Co. | — | 154 | 0 | 37 | — | — |
| 40 | Roff Operating Company, LLC | — | 58 | 0 | 36 | — | — |
| 41 | Fourpoint Energy, LLC | — | 31 | 0 | 36 | — | — |
| 42 | Parker & Parsley Development Co. | — | 30 | 0 | 35 | — | — |
| 43 | Merit Energy Company | — | 75 | 0 | 33 | — | — |
| 44 | Adobe Resources Corporation | — | 21 | 0 | 33 | — | — |
| 45 | Discovery Operating, Inc. | — | 31 | 0 | 31 | — | — |
| 46 | Smith Bros. Casing Pullers Inc. | — | 0 | 0 | 31 | — | — |
| 47 | JM Cox Resources, L.P. | — | 61 | 0 | 30 | — | — |
| 48 | Carr Well Service Inc. | — | 0 | 0 | 28 | — | — |
| 49 | Mule Kick Operating LLC | — | 0 | 0 | 28 | — | — |
| 50 | Permex Petroleum Corporation | — | 3 | 0 | 26 | — | — |
| 51 | Cazador Operating LLC | — | 0 | 0 | 26 | — | — |
| 52 | Southwest Royalties, Inc. | — | 4 | 0 | 25 | — | — |
| 53 | Owl Ops LLC | — | 0 | 0 | 24 | — | — |
| 54 | Black Arrow Operating LLC | — | 0 | 0 | 23 | — | — |
| 55 | Reliance Energy, Inc. | — | 194 | 0 | 22 | — | — |
| 56 | OXY USA Inc. | — | 160 | 0 | 22 | — | — |
| 57 | Brown, Tom Inc. | — | 61 | 0 | 22 | — | — |
| 58 | Itx Pipeline Company LLC | — | 0 | 0 | 21 | — | — |
| 59 | MGF Oil Corporation | — | 65 | 0 | 20 | — | — |
| 60 | Santa FE Energy Resources, Inc. | — | 27 | 0 | 17 | — | — |
| 61 | JMW Resources Inc. | — | 0 | 0 | 17 | — | — |
| 62 | Arya Resources LLC | — | 0 | 0 | 16 | — | — |
| 63 | MWS Producing, Inc. | — | 3 | 0 | 15 | — | — |
| 64 | Coastal Plains Energy Inc. | — | 0 | 0 | 15 | — | — |
| 65 | Lario Oil & Gas Company | — | 246 | 0 | 13 | — | — |
| 66 | Texaco Inc. | — | 58 | 0 | 13 | — | — |
| 67 | Beach Exploration, Inc. | — | 17 | 0 | 13 | — | — |
| 68 | Ped Oil Corporation | — | 1 | 0 | 13 | — | — |
| 69 | Crown Resources Inc. | — | 0 | 0 | 13 | — | — |
| 70 | Extex Operating Company | — | 0 | 0 | 13 | — | — |
| 71 | Quinoco Petroleum Inc. | — | 0 | 0 | 12 | — | — |
| 72 | Crownquest Operating, LLC | — | 734 | 0 | 11 | — | — |
| 73 | QEP Energy Company | — | 594 | 0 | 11 | — | — |
| 74 | Legacy Reserves Operating LP | — | 82 | 0 | 11 | — | — |
| 75 | Avra Oil Company | — | 5 | 0 | 11 | — | — |
| 76 | Parsley Energy Operations, LLC | — | 305 | 0 | 10 | — | — |
| 77 | Vencer Energy, LLC | — | 31 | 0 | 10 | — | — |
| 78 | Sahara Operating Company | — | 1 | 0 | 10 | — | — |
| 79 | Rafter T Resources LLC | — | 0 | 0 | 10 | — | — |
| 80 | Union Oil Company of California | — | 0 | 0 | 10 | — | — |
| 81 | Energen Resources Corporation | — | 575 | 0 | 9 | — | — |
| 82 | Parker & Parsley, Inc. | — | 120 | 0 | 9 | — | — |
| 83 | BTA Oil Producers | — | 18 | 0 | 9 | — | — |
| 84 | Midland Energy, Inc. | — | 15 | 0 | 9 | — | — |
| 85 | Amoco Production Co.-Andrews | — | 13 | 0 | 9 | — | — |
| 86 | Keystone Energy Oil & Gas, Inc. | — | 10 | 0 | 9 | — | — |
| 87 | Walsh & Watts, Inc. | — | 2 | 0 | 9 | — | — |
| 88 | Otb Operating, LLC | — | 1 | 0 | 9 | — | — |
| 89 | Hanley Petroleum Inc. | — | 27 | 0 | 8 | — | — |
| 90 | Ruger Properties, LLC | — | 10 | 0 | 8 | — | — |
| 91 | Rock Fish Operating LLC | — | 4 | 0 | 8 | — | — |
| 92 | Adobe Oil Co. | — | 2 | 0 | 8 | — | — |
| 93 | Kaiser-Francis Oil Company | — | 0 | 0 | 8 | — | — |
| 94 | Kaneb Operating Company Ltd. | — | 0 | 0 | 8 | — | — |
| 95 | Permian West Pipe Inc. | — | 0 | 0 | 8 | — | — |
| 96 | Tara Operating Co. | — | 0 | 0 | 8 | — | — |
| 97 | Encana Oil & Gas(usa) Inc. | — | 329 | 0 | 7 | — | — |
| 98 | Adobe Oil & Gas Corp. | — | 65 | 0 | 7 | — | — |
| 99 | Tamarack Petroleum Company, Inc. | — | 26 | 0 | 7 | — | — |
| 100 | Fasken Oil and Ranch, Ltd. | — | 5 | 0 | 7 | — | — |
| 101 | Scythian, Ltd. | — | 3 | 0 | 7 | — | — |
| 102 | Henry Petroleum LP | — | 1 | 0 | 7 | — | — |
| 103 | Sage Energy Company | — | 1 | 0 | 7 | — | — |
| 104 | Lone Star NGL Pipeline LP | — | 0 | 0 | 7 | — | — |
| 105 | Magnum Engineering Company | — | 0 | 0 | 7 | — | — |
| 106 | Smith Pipe of Abilene | — | 0 | 0 | 7 | — | — |
| 107 | Venture Equipment Inc. | — | 0 | 0 | 7 | — | — |
| 108 | DE IV Operating, LLC | — | 192 | 0 | 6 | — | — |
| 109 | Guidon Energy Mgmt Services LLC | — | 144 | 0 | 6 | — | — |
| 110 | Cobra Oil & Gas Corporation | — | 120 | 0 | 6 | — | — |
| 111 | Pitts Energy Co. | — | 24 | 0 | 6 | — | — |
| 112 | Alta Energy Corporation | — | 7 | 0 | 6 | — | — |
| 113 | Gruss Joseph S. | — | 0 | 0 | 6 | — | — |
| 114 | Permian Resources Inc. | — | 0 | 0 | 6 | — | — |
| 115 | Pogo Panhandle 2004 L.P. | — | 0 | 0 | 6 | — | — |
| 116 | Black Swan Operating, LLC | — | 116 | 0 | 5 | — | — |
| 117 | Exxon Corp. | — | 15 | 0 | 5 | — | — |
| 118 | Great Western Drilling Company | — | 4 | 0 | 5 | — | — |
| 119 | High Lonesome Midstream, LLC | — | 4 | 0 | 5 | — | — |
| 120 | Petroplex SWD System, LLC | — | 4 | 0 | 5 | — | — |
| 121 | Lynx Operating Co., Inc. | — | 3 | 0 | 5 | — | — |
| 122 | SMC Oil & Gas, Inc. | — | 3 | 0 | 5 | — | — |
| 123 | Rittenhouse Oil & Gas Co. | — | 2 | 0 | 5 | — | — |
| 124 | Walter Exploration Inc. | — | 2 | 0 | 5 | — | — |
| 125 | 20TH Century Pipe & Equip.co.inc | — | 0 | 0 | 5 | — | — |
| 126 | DKL Water Gathering Permian LLC | — | 0 | 0 | 5 | — | — |
| 127 | L.C.S. Production Company | — | 0 | 0 | 5 | — | — |
| 128 | Petroleum Reserve Corporation | — | 0 | 0 | 5 | — | — |
| 129 | Xeric Oil & Gas Corporation | — | 0 | 0 | 5 | — | — |
| 130 | Stephens, Autry C. | — | 111 | 0 | 4 | — | — |
| 131 | Hibernia Resources, LLC | — | 67 | 0 | 4 | — | — |
| 132 | Concho Resources Inc. | — | 33 | 0 | 4 | — | — |
| 133 | Atkins Petroleum Corp. | — | 31 | 0 | 4 | — | — |
| 134 | Devon Energy Production Co, L.P. | — | 20 | 0 | 4 | — | — |
| 135 | Mabee Petroleum Corp. | — | 18 | 0 | 4 | — | — |
| 136 | Mitchell Energy Corporation | — | 10 | 0 | 4 | — | — |
| 137 | Hallwood Petroleum, Inc. | — | 6 | 0 | 4 | — | — |
| 138 | Conoco Inc. | — | 5 | 0 | 4 | — | — |
| 139 | Fed Operating LLC | — | 5 | 0 | 4 | — | — |
| 140 | Mid-States Operating Company | — | 5 | 0 | 4 | — | — |
| 141 | EOG Resources, Inc. | — | 4 | 0 | 4 | — | — |
| 142 | KCM Company | — | 4 | 0 | 4 | — | — |
| 143 | Tall City Brine LLC | — | 4 | 0 | 4 | — | — |
| 144 | Devon Energy Corporation(nevada) | — | 3 | 0 | 4 | — | — |
| 145 | Miranda Energy Corporation | — | 2 | 0 | 4 | — | — |
| 146 | Hep Oil GP, LLC | — | 1 | 0 | 4 | — | — |
| 147 | MWJ Producing Company | — | 1 | 0 | 4 | — | — |
| 148 | P & K Woods, LLC | — | 1 | 0 | 4 | — | — |
| 149 | Ranger Operating Co. | — | 1 | 0 | 4 | — | — |
| 150 | Fort Worth Oil & Gas Inc. | — | 0 | 0 | 4 | — | — |
| 151 | Hallwood Energy Corporation | — | 0 | 0 | 4 | — | — |
| 152 | Hanson Oil Corporation | — | 0 | 0 | 4 | — | — |
| 153 | Legacy Energy | — | 0 | 0 | 4 | — | — |
| 154 | Mexco Energy Corporation | — | 0 | 0 | 4 | — | — |
| 155 | Momentum Energy LLC | — | 0 | 0 | 4 | — | — |
| 156 | M-T Petroleum Inc. | — | 0 | 0 | 4 | — | — |
| 157 | Petroleum Corporation of Texas | — | 0 | 0 | 4 | — | — |
| 158 | Petro-Tex Operating Co. | — | 0 | 0 | 4 | — | — |
| 159 | Phoenix Hydrocarbons Operating | — | 0 | 0 | 4 | — | — |
| 160 | Reatta Energy Inc. | — | 0 | 0 | 4 | — | — |
| 161 | Remuda Operating Company | — | 0 | 0 | 4 | — | — |
| 162 | Select Water Solutions LLC | — | 0 | 0 | 4 | — | — |
| 163 | Woodbine Production Corporation | — | 0 | 0 | 4 | — | — |
| 164 | Chesapeake Operating, Inc. | — | 207 | 0 | 3 | — | — |
| 165 | BC Operating, Inc. | — | 24 | 0 | 3 | — | — |
| 166 | Purvis, J. H. | — | 9 | 0 | 3 | — | — |
| 167 | Cities Service Oil & Gas Corp. | — | 7 | 0 | 3 | — | — |
| 168 | Cotton Petroleum Corp. | — | 6 | 0 | 3 | — | — |
| 169 | Acme Energy Services, Inc. | — | 5 | 0 | 3 | — | — |
| 170 | Snyder Oil Corporation | — | 5 | 0 | 3 | — | — |
| 171 | Plains Petroleum Operating Co. | — | 3 | 0 | 3 | — | — |
| 172 | Finley Resources, Inc. | — | 2 | 0 | 3 | — | — |
| 173 | Holt, Robert B. | — | 2 | 0 | 3 | — | — |
| 174 | Meridian Oil Inc. | — | 1 | 0 | 3 | — | — |
| 175 | Sparco Producing, Inc. | — | 1 | 0 | 3 | — | — |
| 176 | Alamar Ventures Inc. | — | 0 | 0 | 3 | — | — |
| 177 | Britton Management Corp. | — | 0 | 0 | 3 | — | — |
| 178 | Conine Jim Inc. | — | 0 | 0 | 3 | — | — |
| 179 | Continental Oil Company | — | 0 | 0 | 3 | — | — |
| 180 | Escondido Bay Corporation | — | 0 | 0 | 3 | — | — |
| 181 | Graham Royalty Ltd. | — | 0 | 0 | 3 | — | — |
| 182 | HI - Mountain Energy Corporation | — | 0 | 0 | 3 | — | — |
| 183 | Liberty Petroleum Corporation | — | 0 | 0 | 3 | — | — |
| 184 | Majestic Petroleum Corporation | — | 0 | 0 | 3 | — | — |
| 185 | Martin Water Operating LLC | — | 0 | 0 | 3 | — | — |
| 186 | Meridian Oil Corporation | — | 0 | 0 | 3 | — | — |
| 187 | Petroleum Corp. of Delaware The | — | 0 | 0 | 3 | — | — |
| 188 | Purvis Operating Co. | — | 0 | 0 | 3 | — | — |
| 189 | Remuda Oil & Gas Co. | — | 0 | 0 | 3 | — | — |
| 190 | Shirley B. J. | — | 0 | 0 | 3 | — | — |
| 191 | Smith Brothers Oil & Gas Inc. | — | 0 | 0 | 3 | — | — |
| 192 | Stallion Energy Inc. | — | 0 | 0 | 3 | — | — |
| 193 | Triple N Services Inc. | — | 0 | 0 | 3 | — | — |
| 194 | Unit Petroleum Company | — | 0 | 0 | 3 | — | — |
| 195 | Universal Resources Corp. | — | 0 | 0 | 3 | — | — |
| 196 | Vanguard Operating LLC | — | 0 | 0 | 3 | — | — |
| 197 | Piedra Operating, LLC | — | 70 | 0 | 2 | — | — |
| 198 | Saxon Oil Company | — | 60 | 0 | 2 | — | — |
| 199 | DE3 Operating LLC | — | 56 | 0 | 2 | — | — |
| 200 | Ajax Resources, LLC | — | 41 | 0 | 2 | — | — |
| 201 | Collins & Ware, Inc. | — | 36 | 0 | 2 | — | — |
| 202 | Esperanza Energy Corp. | — | 35 | 0 | 2 | — | — |
| 203 | Burleson Petroleum, Inc. | — | 20 | 0 | 2 | — | — |
| 204 | Houston Oil & Minerals Corp. | — | 18 | 0 | 2 | — | — |
| 205 | Big Star Oil & Gas, LLC | — | 12 | 0 | 2 | — | — |
| 206 | Collier Diamond -C- Oils, Inc. | — | 11 | 0 | 2 | — | — |
| 207 | Rosewood Resources, Inc. | — | 11 | 0 | 2 | — | — |
| 208 | Clear Water Inc. | — | 10 | 0 | 2 | — | — |
| 209 | Heritage Resources, Inc. | — | 10 | 0 | 2 | — | — |
| 210 | Hannathon Petroleum, LLC | — | 8 | 0 | 2 | — | — |
| 211 | Blair, Jack N. | — | 7 | 0 | 2 | — | — |
| 212 | Stringer Oil & Gas | — | 7 | 0 | 2 | — | — |
| 213 | Lone Star Oil & Gas | — | 6 | 0 | 2 | — | — |
| 214 | Rattler Midstream Operating LLC | — | 6 | 0 | 2 | — | — |
| 215 | American Crude, Inc. | — | 5 | 0 | 2 | — | — |
| 216 | Perry Producing Company, Inc. | — | 5 | 0 | 2 | — | — |
| 217 | Marcum Drilling Co. | — | 4 | 0 | 2 | — | — |
| 218 | Conquest Exploration Company | — | 3 | 0 | 2 | — | — |
| 219 | DCB Oil & Gas, Inc. | — | 3 | 0 | 2 | — | — |
| 220 | Miller Exploration Company | — | 3 | 0 | 2 | — | — |
| 221 | Anadarko Petroleum Corp. | — | 2 | 0 | 2 | — | — |
| 222 | Pentex Operating Company | — | 2 | 0 | 2 | — | — |
| 223 | Samson Lone Star, LLC | — | 2 | 0 | 2 | — | — |
| 224 | Triumph Exploration, Inc. | — | 2 | 0 | 2 | — | — |
| 225 | Wilson Systems, Inc. | — | 2 | 0 | 2 | — | — |
| 226 | Fasken, David | — | 1 | 0 | 2 | — | — |
| 227 | Gulf Oil Corp. | — | 1 | 0 | 2 | — | — |
| 228 | Jay Management Company, LLC | — | 1 | 0 | 2 | — | — |
| 229 | Lemon, Hulen H. | — | 1 | 0 | 2 | — | — |
| 230 | Oil Management Corp. | — | 1 | 0 | 2 | — | — |
| 231 | Santa FE Snyder Corporation | — | 1 | 0 | 2 | — | — |
| 232 | Shenandoah Petroleum Corporation | — | 1 | 0 | 2 | — | — |
| 233 | Anderson Oil & Gas Company Inc. | — | 0 | 0 | 2 | — | — |
| 234 | Brock J. | — | 0 | 0 | 2 | — | — |
| 235 | Connally Oil Co. Inc. | — | 0 | 0 | 2 | — | — |
| 236 | Draco Energy Inc. | — | 0 | 0 | 2 | — | — |
| 237 | Golden Marty Joe | — | 0 | 0 | 2 | — | — |
| 238 | Kerr-McGee Oil & Gas Onshore LP | — | 0 | 0 | 2 | — | — |
| 239 | Langham Petroleum Expl. Corp. | — | 0 | 0 | 2 | — | — |
| 240 | Lovelady I. W. | — | 0 | 0 | 2 | — | — |
| 241 | Maverick Operating LLC | — | 0 | 0 | 2 | — | — |
| 242 | Mitchell James - Operator | — | 0 | 0 | 2 | — | — |
| 243 | Momentum Energy Corporation | — | 0 | 0 | 2 | — | — |
| 244 | Park Avenue Exploration Corp. | — | 0 | 0 | 2 | — | — |
| 245 | Parker & Parsley Operating LLC | — | 0 | 0 | 2 | — | — |
| 246 | Perimeter Resource Company | — | 0 | 0 | 2 | — | — |
| 247 | Petroleum Acquisitions Corp. | — | 0 | 0 | 2 | — | — |
| 248 | Quay Valley Inc. | — | 0 | 0 | 2 | — | — |
| 249 | Sharon Steel Corporation | — | 0 | 0 | 2 | — | — |
| 250 | Simac Inc. | — | 0 | 0 | 2 | — | — |
| 251 | Stacy A. D. Inc. | — | 0 | 0 | 2 | — | — |
| 252 | Stallworth Oil & Gas | — | 0 | 0 | 2 | — | — |
| 253 | Stickney F. C. Inc. | — | 0 | 0 | 2 | — | — |
| 254 | Swab Oil Co. | — | 0 | 0 | 2 | — | — |
| 255 | Vogel A. J. Inc. | — | 0 | 0 | 2 | — | — |
| 256 | W.A. Oil Co. | — | 0 | 0 | 2 | — | — |
| 257 | Western States Producing Co. | — | 0 | 0 | 2 | — | — |
| 258 | White Wing Petroleum Inc. | — | 0 | 0 | 2 | — | — |
| 259 | Whitfield Energy | — | 0 | 0 | 2 | — | — |
| 260 | Witherspoon D J/LI WI Operations | — | 0 | 0 | 2 | — | — |
| 261 | Wood & Cockburn Inc. | — | 0 | 0 | 2 | — | — |
| 262 | Zarvona Energy LLC | — | 0 | 0 | 2 | — | — |
| 263 | Linn Operating, Inc. | — | 251 | 0 | 1 | — | — |
| 264 | Petrolegacy Energy II, LLC | — | 240 | 0 | 1 | — | — |
| 265 | RSP Permian, LLC | — | 174 | 0 | 1 | — | — |
| 266 | Athlon Holdings LP | — | 47 | 0 | 1 | — | — |
| 267 | Three Rivers Operating Co II LLC | — | 42 | 0 | 1 | — | — |
| 268 | HCW Exploration, Inc. | — | 33 | 0 | 1 | — | — |
| 269 | Boyd & McWilliams Energy Group | — | 32 | 0 | 1 | — | — |
| 270 | Rial Oil Co. | — | 31 | 0 | 1 | — | — |
| 271 | Environmental Disposal Systems | — | 29 | 0 | 1 | — | — |
| 272 | Wilson Energy, Inc. | — | 29 | 0 | 1 | — | — |
| 273 | Durham, Inc. | — | 14 | 0 | 1 | — | — |
| 274 | Brown, H. L., Jr. | — | 13 | 0 | 1 | — | — |
| 275 | Wasser Operating, LLC | — | 10 | 0 | 1 | — | — |
| 276 | Huntington Energy, L.L.C. | — | 9 | 0 | 1 | — | — |
| 277 | McShane, J. Inc. | — | 9 | 0 | 1 | — | — |
| 278 | Blair Exploration, Inc. | — | 7 | 0 | 1 | — | — |
| 279 | Abraxas Production Corporation | — | 6 | 0 | 1 | — | — |
| 280 | Amerind Oil Company, Ltd. | — | 6 | 0 | 1 | — | — |
| 281 | Environmental Dspl Systems, LLC | — | 5 | 0 | 1 | — | — |
| 282 | Tri-Service Drilling Co. | — | 5 | 0 | 1 | — | — |
| 283 | Breck Operating Corp. | — | 4 | 0 | 1 | — | — |
| 284 | Chevron Midcontinent, L.P. | — | 4 | 0 | 1 | — | — |
| 285 | Flag-Redfern Oil Company | — | 4 | 0 | 1 | — | — |
| 286 | Primary Fuels, Inc. | — | 4 | 0 | 1 | — | — |
| 287 | Basic Energy Services, L.P. | — | 3 | 0 | 1 | — | — |
| 288 | Baytech, Inc. | — | 3 | 0 | 1 | — | — |
| 289 | Knox Industries, Inc. | — | 3 | 0 | 1 | — | — |
| 290 | Midland Oil and Gas, Inc. | — | 3 | 0 | 1 | — | — |
| 291 | O'Neill Properties, Ltd. | — | 3 | 0 | 1 | — | — |
| 292 | V-F Petroleum Inc. | — | 3 | 0 | 1 | — | — |
| 293 | Forest Oil Corporation | — | 2 | 0 | 1 | — | — |
| 294 | Kimbark Oil & Gas Company | — | 2 | 0 | 1 | — | — |
| 295 | Kimbrough Engineering Co, LLC | — | 2 | 0 | 1 | — | — |
| 296 | Petroleum Acquisitions, Inc. | — | 2 | 0 | 1 | — | — |
| 297 | Rains Energy, LLC | — | 2 | 0 | 1 | — | — |
| 298 | Vanderbilt Resources Corp. | — | 2 | 0 | 1 | — | — |
| 299 | Walter Oil & Gas Int'l, L.L.C. | — | 2 | 0 | 1 | — | — |
| 300 | Aqua Terra Permian, LLC | — | 1 | 0 | 1 | — | — |