| 23101 | Quantum Oil & Gas Corporation | Oklahoma City, OK 73172 | Oil & Gas Operator | Jun 2026 |
| 23102 | Quantum Operating Company | Denver, CO 80201 | Oil & Gas Operator | Dec 2012 |
| 23103 | Quantum Resources Management LLC | Houston, TX 77010 | Oil & Gas Operator | Feb 2026 |
| 23104 | Quantum Resources MGMT, LLC | | Oil & Gas Operator | Nov 2014 |
| 23105 | Quarles Drilling Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2008 |
| 23106 | Quasha Oil Co. | | Oil & Gas Operator | Feb 1998 |
| 23107 | Quatro Oil And Gas, Inc. | Joshua, TX 76058 | Oil & Gas Operator | Jun 2026 |
| 23108 | Quatro Oil Ventures | | Oil Operator | Dec 2016 |
| 23109 | Quatro Osos E&P, LLC | Roswell, NM 88202 | Oil Operator | Jan 2026 |
| 23110 | Quatros Operating Company | Kilgore, TX 75663 | Oil Operator | Jun 2026 |
| 23111 | Quay Valley, Inc. | Midland, TX 79710 | Oil & Gas Operator | Oct 2007 |
| 23112 | Queen Sand Operating Co. | Dallas, TX 75240 | Oil & Gas Operator | Mar 2008 |
| 23113 | Quench Oil & Gas Inc | Plano, TX 75075-2902 | Oil & Gas Operator | Apr 2009 |
| 23114 | Quest Cherokee LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2026 |
| 23115 | Quest Development Co. | | Oil Operator | Feb 2026 |
| 23116 | Quest Emg, Inc. | Albany, TX 76430 | Oil & Gas Operator | Jun 2026 |
| 23117 | Quest Energies | | Oil & Gas Operator | Mar 1997 |
| 23118 | Quest Energies Group,LTD. | Shreveport, LA 71106 | Oil & Gas Operator | Mar 1997 |
| 23119 | Quest Energies, L.L.C. | | Oil & Gas Operator | Jan 2025 |
| 23120 | Quest Energy LLC | Salina, KS 67401 | Oil Operator | Feb 2026 |
| 23121 | Quest Energy Service Inc. | Chanute, KS 66720 | Oil & Gas Operator | Jan 2009 |
| 23122 | Quest Exploration L.L.C. | | Oil & Gas Operator | Jul 2014 |
| 23123 | Quest Operating LLC | Sheridan, WY 82801 | Gas Operator | Sep 2008 |
| 23124 | Quest Petroleum Company | Jacksboro, TX 76458 | Oil & Gas Operator | Jun 2026 |
| 23125 | Quest Petroleum Corporation | Reno, NV 89570 | Oil Operator | Apr 1998 |
| 23126 | Quest Petroleum, Inc. | Abilene, TX 79603 | Oil & Gas Operator | Jun 2026 |
| 23127 | Quest Property Inc | Yukon, OK 73099 | Oil & Gas Operator | Feb 2026 |
| 23128 | Quest Research & Dev. Corp. | Weatherford, TX 76086 | Oil & Gas Operator | Jun 2026 |
| 23129 | Quest-Tex Energy Operating, LLC | Dallas, TX 75225 | Oil & Gas Operator | Jun 2026 |
| 23130 | Questa Energy Corporation | Amarillo, TX 79159 | Oil & Gas Operator | Jun 2026 |
| 23131 | Questa Oil & Gas Co. | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2015 |
| 23132 | Questa Operating Company, LLC | Amarillo, TX 79159 | Oil & Gas Operator | Jun 2026 |
| 23133 | Questa Petro Co | Pittsburgh, PA 15241-0863 | Oil & Gas Operator | Dec 2023 |
| 23134 | Questa Petroleum Co | Greensburg, PA 15601 | Oil & Gas Operator | Dec 2006 |
| 23135 | Questar Energy Company | Salt Lake C Ity, UT 84147 | Gas Operator | May 1991 |
| 23136 | Questar Expl. And Prod. Co. | Salt Lake Cty, UT 84145 | Oil & Gas Operator | Jul 2011 |
| 23137 | Questar Explor & Prod Co | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2017 |
| 23138 | Questar Exploration And Production Company Division Of Questar Urc Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Feb 2026 |
| 23139 | Quick Draw Tank Trucks Inc | Lamont, OK 74643-0158 | Oil Operator | Oct 1997 |
| 23140 | Quicksilver Resources Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2018 |
| 23141 | Quien Sabe Operating, LLC | Sundown, TX 79372 | Oil & Gas Operator | Nov 2023 |
| 23142 | Quiet Sun Investments, Inc. | | Oil & Gas Operator | Sep 2012 |
| 23143 | Quinex Energy Corp | Bountiful, UT 84010 | Oil & Gas Operator | Mar 2026 |
| 23144 | Quinlan Engineering | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 2026 |
| 23145 | Quinn Energy Corp | MT Vernon, IN 47620 | Oil & Gas Operator | Oct 1999 |
| 23146 | Quinn Oil Produc | | Oil Operator | Dec 1987 |
| 23147 | Quinn, Karen | Round Rock, TX 78681 | Oil Operator | Sep 2018 |
| 23148 | Quinoco Petroleum Inc | | Oil & Gas Operator | Dec 1990 |
| 23149 | Quinque Operatin | | Oil & Gas Operator | Jul 1994 |
| 23150 | Quinque Operating Company | Liberal, KS 67905 | Oil & Gas Operator | Feb 2026 |
| 23151 | Quintana Minerals Corporation | Houston, TX 77002 | Oil & Gas Operator | Jan 2003 |
| 23152 | Quintana Pet Okla Inc | Houston, TX 77002 | Oil & Gas Operator | Jun 1998 |
| 23153 | Quintana Pet. Corp. | Refugio, TX 78377 | Oil & Gas Operator | Dec 2000 |
| 23154 | Quintana Petrole | | Oil & Gas Operator | Dec 1995 |
| 23155 | Quintana Petroleum Corporation | Denver, CO 80265 | Oil & Gas Operator | Mar 1998 |
| 23156 | Quintana Petroleum Services | Houston, TX 77253 | Oil & Gas Operator | Jul 1997 |
| 23157 | Quintana Petroleum Services Inc | Houston, TX 77253 | Gas Operator | Apr 1996 |
| 23158 | Quintana Production Co. | | Oil & Gas Operator | Feb 1987 |
| 23159 | Quintana-H H Cullen-Carl O&G | | Oil & Gas Operator | Jul 1984 |
| 23160 | Quintanilla, Tony C. | Atascosa, TX 78002 | Oil & Gas Operator | Jun 2026 |
| 23161 | Quinton Rental & Repair Serv Inc | Quinton, OK 74561-0432 | Oil & Gas Operator | Mar 2015 |
| 23162 | Quintx Exploration, Inc. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Nov 2007 |
| 23163 | Quisenberry, Gene | | Oil & Gas Operator | Dec 2016 |
| 23164 | Quisto Energy Corp. | Kerrville, TX 78029 | Oil & Gas Operator | Jan 1998 |
| 23165 | Quisto Expl. & Production, L.C. | Sugar Land, TX 77478 | Oil & Gas Operator | Aug 1998 |
| 23166 | Quitman Construction Co., Inc. | Quitman, TX 75783 | Oil & Gas Operator | May 2011 |
| 23167 | Quito, Inc. | Bartlesville, OK 74003 | Oil & Gas Operator | Oct 2023 |
| 23168 | Quivira Gas Comp | | Gas Operator | Mar 1990 |
| 23169 | Quivira Oil & Ex | | Oil Operator | Sep 1985 |
| 23170 | Quorum Energy Company | Dallas, TX 75209 | Oil & Gas Operator | Jun 2026 |
| 23171 | Quorum Lease Bank | Dallas, TX 75240 | Oil Operator | Jun 1996 |
| 23172 | R & A Moore, Inc. | Cleburne, TX 76033 | Oil & Gas Operator | Jun 2026 |
| 23173 | R & A Oil, Inc. | Billings, MT 59105 | Oil & Gas Operator | Dec 2025 |
| 23174 | R & A Production Dba/R Lynch & A Engelke | Creston, WV 26141-7578 | Oil & Gas Operator | Dec 2021 |
| 23175 | R & B Energy Co. | Ranger, TX 76470 | Oil & Gas Operator | Mar 2008 |
| 23176 | R & B Energy, LLC | Shelby, MT 59474 | Oil Operator | Dec 2025 |
| 23177 | R & B Enterprises USA Inc | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2025 |
| 23178 | R & B Oil & Gas | | Oil & Gas Operator | Jul 1995 |
| 23179 | R & B Oil & Gas Inc | Attica, KS 67009 | Oil & Gas Operator | Feb 2026 |
| 23180 | R & B Oil Company, LLC | Willis, TX 77318 | Oil & Gas Operator | Jun 2026 |
| 23181 | R & B Oil Company, LLC Of Texas | | Oil & Gas Operator | Jan 2025 |
| 23182 | R & B Operating LLC | Boynton, OK 74422 | Oil & Gas Operator | Mar 2025 |
| 23183 | R & B Petroleum, Inc. | Scarsdale, NY 10583 | Oil & Gas Operator | Dec 2021 |
| 23184 | R & B Trucking | Crescent, OK 73028-0775 | Oil & Gas Operator | Nov 2021 |
| 23185 | R & C Oil And Gas Inc | Ada, OK 74820-3150 | Oil Operator | Jul 2016 |
| 23186 | R & C Oil Company LLC | Westbrook, TX 79565 | Oil Operator | Jun 2026 |
| 23187 | R & C Petroleum, Inc. | Flint, TX 75762 | Oil & Gas Operator | Jun 2026 |
| 23188 | R & D Call | Cedar Vale, KS 67024 | Oil Operator | Oct 2010 |
| 23189 | R & D Holdings, Inc. | | Gas Operator | Feb 1991 |
| 23190 | R & D Oil & Gas | Exeter, CA 93221-9697 | Oil & Gas Operator | Aug 2019 |
| 23191 | R & D Oil LLC | Oklahoma City, OK 73154 | Oil Operator | Dec 2005 |
| 23192 | R & D Operating | Early, TX 76803 | Oil & Gas Operator | Mar 2008 |
| 23193 | R & D Operating, Inc. | Early, TX 76802 | Oil & Gas Operator | Jun 2026 |
| 23194 | R & D Reclaiming LLC | | Oil Operator | Aug 2022 |
| 23195 | R & E Enterprises | Paris, OH 44669 | Oil & Gas Operator | Dec 1995 |
| 23196 | R & E Oil Co., Inc. | Augusta, KS 67010 | Oil Operator | Dec 2009 |
| 23197 | R & F Land Co., Inc. | | Oil & Gas Operator | Jan 2000 |
| 23198 | R & G Drilling Co Inc | Farmington, NM 87499 | Oil & Gas Operator | Apr 1995 |
| 23199 | R & H LLC | Ardmore, OK 73401-6329 | Oil & Gas Operator | Mar 2015 |
| 23200 | R & H Oil & Gas Inc | | Oil & Gas Operator | Apr 1992 |