| 23101 | Petcon Associates LTD | Denver, CO 80202 | Oil & Gas Operator | Sep 2018 |
| 23102 | Pete Caldwell Drilling Co.,Inc | | Oil & Gas Operator | Aug 1991 |
| 23103 | Pete Mills | Midland, TX 79707 | Oil & Gas Operator | Oct 2012 |
| 23104 | Pete'S Pumping & Well Services, LLC | Butler, AL 36904 | Oil & Gas Operator | Oct 2025 |
| 23105 | Petech Enterprises, Inc. | Houston, TX 77066 | Oil & Gas Operator | Jan 2004 |
| 23106 | Peter W. Herbst | | Gas Operator | Mar 1998 |
| 23107 | Peterland Oil Co | | Oil Operator | Sep 1990 |
| 23108 | Peterman-Sturlese Et Al | | Oil & Gas Operator | Sep 1987 |
| 23109 | Peters Petroleum Corporation | Dallas, TX 75243 | Oil & Gas Operator | Jan 2014 |
| 23110 | Peters Walter J | | Oil & Gas Operator | Jul 1991 |
| 23111 | Petersen Production Company LLC | | Oil & Gas Operator | Dec 2019 |
| 23112 | Peterson & Roberts | Loving, TX 76460 | Oil & Gas Operator | Mar 1998 |
| 23113 | Peterson Energy Management Inc | | Oil Operator | Aug 2010 |
| 23114 | Peterson Energy Operating Inc | Loveland, CO 80537 | Oil & Gas Operator | Dec 2025 |
| 23115 | Peterson Oil And Gas LLC | Wichita Falls, TX 76310 | Oil & Gas Operator | Feb 2026 |
| 23116 | Peterson Oil Co LLC | Centerville, KS 66014 | Oil Operator | Sep 2025 |
| 23117 | Peterson, Don Company | Loving, TX 76460 | Oil & Gas Operator | Jul 2017 |
| 23118 | Peterson, Thomas M. | Jamestown, NY 14701 | Oil & Gas Operator | Dec 2024 |
| 23119 | Petex | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 23120 | Petex Incorporat | | Oil Operator | Sep 1991 |
| 23121 | Pethtel Oil & Gas | | Oil & Gas Operator | Dec 2005 |
| 23122 | Petr Corporation | | Oil Operator | Apr 1988 |
| 23123 | Petr Exploration | | Oil Operator | Apr 1995 |
| 23124 | Petra Oleum Corp. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 23125 | Petra Petroleum Inc | Littleton, CO 80160-0319 | Oil & Gas Operator | Jun 2005 |
| 23126 | Petra Petroleum Management LLC | Hotchkiss, CO 81419-0369 | Gas Operator | Sep 2014 |
| 23127 | Petra, Inc. | | Oil & Gas Operator | Apr 1987 |
| 23128 | Petral Exploration Inc LLC | Denver, CO 80217 | Oil & Gas Operator | May 2007 |
| 23129 | Petral Exploration LLC | Denver, CO 80217-5083 | Oil & Gas Operator | Dec 2001 |
| 23130 | Petralis Energy Resources, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 23131 | Petram Oil And Gas, LLC | Richmond, TX 77407 | Oil Operator | Feb 2026 |
| 23132 | Petrie Enterpris | | Oil & Gas Operator | Sep 1986 |
| 23133 | Petrie, Stanley D. | Pratt, KS 67124 | Gas Operator | Aug 1995 |
| 23134 | Petrik Oil | Bartlesville, OK 74006 | Oil Operator | Nov 1996 |
| 23135 | Petrik Oil - Jim | | Oil Operator | Apr 1995 |
| 23136 | Petro "E", LLC | | Oil & Gas Operator | Feb 2010 |
| 23137 | Petro 2000 Exploration Co. | Katy, TX 77450 | Oil & Gas Operator | Nov 2011 |
| 23138 | Petro 85 Incorpo | | Oil Operator | Mar 1993 |
| 23139 | Petro Capital Resources LLC | | Oil & Gas Operator | Nov 2025 |
| 23140 | Petro Davis Inc | Oklahoma City, OK 73142-1807 | Oil & Gas Operator | Jan 2013 |
| 23141 | Petro Delta | Rockdale, TX 76567 | Oil Operator | Feb 2026 |
| 23142 | Petro Dev Corp | Bridgeport, WV 26330-0026 | Oil & Gas Operator | Dec 2013 |
| 23143 | Petro Drilling & Producing Co. | Archer City, TX 76351 | Oil & Gas Operator | Apr 1997 |
| 23144 | Petro Drilling Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1993 |
| 23145 | Petro Dynamics C | | Oil & Gas Operator | Sep 1988 |
| 23146 | Petro Energies I | | Oil & Gas Operator | Apr 1991 |
| 23147 | Petro Energies, Inc. | Burrton, KS 67020 | Gas Operator | Jun 2014 |
| 23148 | Petro Energy Inc | Farmington, NM 87499 | Oil & Gas Operator | Sep 2025 |
| 23149 | Petro Evaluation Services Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2023 |
| 23150 | Petro Evaluation SVC Inc | Wooster, OH 44691-1223 | Oil & Gas Operator | Dec 2008 |
| 23151 | Petro General Corporation | San Francisco, CA 94104 | Oil & Gas Operator | Apr 2009 |
| 23152 | Petro Harvester Operating Company, LLC | | Oil & Gas Operator | Nov 2022 |
| 23153 | Petro Hi-Tech, Inc. | Pasadena, TX 77505 | Oil & Gas Operator | Feb 2008 |
| 23154 | Petro Holdings, Inc. | Spencer, WV 25276-0000 | Oil & Gas Operator | Dec 2021 |
| 23155 | Petro Hunt Inc Of Kentucky | | Oil Operator | Dec 2006 |
| 23156 | Petro Lions, LLC | Somerset, TX 78069 | Oil Operator | Feb 2026 |
| 23157 | Petro Locators I | | Oil & Gas Operator | Dec 1995 |
| 23158 | Petro Locators, Inc. | Pratt, KS 67124 | Oil & Gas Operator | Sep 2025 |
| 23159 | Petro Mex Resources | | Oil & Gas Operator | Dec 2025 |
| 23160 | Petro Mex, LLC | Farmington, NM 87499 | Oil & Gas Operator | Dec 2025 |
| 23161 | Petro North LTD | Smethport, PA 16749-0742 | Oil & Gas Operator | Dec 2025 |
| 23162 | Petro Nova | | Oil Operator | Dec 2000 |
| 23163 | Petro Oil Produc | | Oil Operator | Aug 1989 |
| 23164 | Petro Oilfield Equipment Inc | Drumright, OK 74030-1233 | Oil & Gas Operator | Dec 2010 |
| 23165 | Petro Operating Company | | Oil & Gas Operator | Dec 2024 |
| 23166 | Petro Operating Company LLC | | Oil & Gas Operator | Dec 2025 |
| 23167 | Petro Pak Corpor | | Oil Operator | Aug 1988 |
| 23168 | Petro Plex Oil Co Inc. | Homosassa, FL 34448 | Oil & Gas Operator | Jul 2020 |
| 23169 | Petro Producers Corporation | | Oil & Gas Operator | Mar 1993 |
| 23170 | Petro Productions,Petrotec Production,Inc Dba | Wichita, KS 67202 | Oil Operator | Aug 1993 |
| 23171 | Petro Quest Inc | Guysville, OH 45735 | Oil & Gas Operator | Dec 2024 |
| 23172 | Petro Resources, Inc. | Fulton, TX 78358 | Oil & Gas Operator | Feb 2026 |
| 23173 | Petro River Operating, LLC | New York City, NY 10017 | Oil & Gas Operator | Jul 2011 |
| 23174 | Petro Search Exploration Corp | | Oil & Gas Operator | May 1993 |
| 23175 | Petro Speed Inc | Norman, OK 73069-8116 | Oil & Gas Operator | Mar 2015 |
| 23176 | Petro SVC Partners Inc | Indiana, PA 15701-8556 | Oil & Gas Operator | Dec 2025 |
| 23177 | Petro Valley Ser | | Gas Operator | Dec 1986 |
| 23178 | Petro Ventures Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2019 |
| 23179 | Petro Vest Operating LLC | | Oil Operator | Aug 2013 |
| 23180 | Petro Vest, Inc. | Houston, TX 77046 | Oil & Gas Operator | Sep 2014 |
| 23181 | Petro Warrior LLC | Wichita, KS 67206 | Oil & Gas Operator | Dec 2025 |
| 23182 | Petro X Energy L | | Oil & Gas Operator | May 1986 |
| 23183 | Petro-Assets Corporation | | Oil & Gas Operator | Feb 2000 |
| 23184 | Petro-Beth Oil & Gas, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2006 |
| 23185 | Petro-Can, Inc. | | Oil & Gas Operator | Apr 1998 |
| 23186 | Petro-Canada Resources (USA) | | Oil & Gas Operator | Dec 2009 |
| 23187 | Petro-Canada Resources (USA) Inc | Denver, CO 80202-472 | Oil & Gas Operator | Feb 2010 |
| 23188 | Petro-Chase Energy Corp | Oklahoma City, OK 73135-6205 | Oil & Gas Operator | Jan 2007 |
| 23189 | Petro-Chem Operating Company, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Feb 2026 |
| 23190 | Petro-Flow, Inc | | Gas Operator | Dec 2023 |
| 23191 | Petro-Go, Inc. | | Oil & Gas Operator | Mar 1996 |
| 23192 | Petro-Guard Company, Inc. | Houston, TX 77057 | Oil & Gas Operator | Nov 2014 |
| 23193 | Petro-Guard Production,L.L.C. | Houston, TX 77063 | Oil & Gas Operator | Dec 2024 |
| 23194 | Petro-Haley | Borger, TX 79008 | Oil & Gas Operator | Feb 2026 |
| 23195 | Petro-Hunt Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2003 |
| 23196 | Petro-Hunt Dakota, LLC | | Oil & Gas Operator | Dec 2025 |
| 23197 | Petro-Hunt Permian, LLC | Dallas, TX 75201 | Oil & Gas Operator | Feb 2026 |
| 23198 | Petro-Hunt, L.L.C. | Dallas, TX 75201 | Oil & Gas Operator | Feb 2026 |
| 23199 | Petro-Lewis Corp. | | Oil & Gas Operator | Feb 1994 |
| 23200 | Petro-Lud Inc. | | Oil & Gas Operator | Dec 2025 |