| 23101 | Phoenix Operating Company Of TX. | Dallas, TX 75206 | Oil & Gas Operator | Jun 1995 |
| 23102 | Phoenix Operating Company, Inc. | Shreveport, LA 71161 | Oil & Gas Operator | Mar 2015 |
| 23103 | Phoenix Operating LLC | Denver, CO 80237 | Oil & Gas Operator | Mar 2025 |
| 23104 | Phoenix Operating, Inc | | Oil & Gas Operator | Feb 2025 |
| 23105 | Phoenix Opr Co Inc - West End | | Oil Operator | Dec 1992 |
| 23106 | Phoenix Opr Co Inc-Acc | | Oil Operator | Dec 1992 |
| 23107 | Phoenix Opr Co Inc-Amsterdam | | Oil Operator | Nov 1994 |
| 23108 | Phoenix Opr Co Inc-Broadway | | Oil Operator | Dec 1992 |
| 23109 | Phoenix Opr Co Inc-Caddo | | Oil Operator | Dec 1992 |
| 23110 | Phoenix Opr Co Inc-DS DRLG | | Oil Operator | May 1994 |
| 23111 | Phoenix Opr Co Inc-HGC 1985 | | Oil Operator | Dec 1992 |
| 23112 | Phoenix Opr Co Inc-La Petro As | | Oil Operator | Dec 1992 |
| 23113 | Phoenix Opr Co Inc-Lex 83 | | Oil Operator | Feb 1993 |
| 23114 | Phoenix Opr Co Inc-Nac | | Oil Operator | Dec 1992 |
| 23115 | Phoenix Opr Co Inc-New Amer 85 | | Oil Operator | Dec 1992 |
| 23116 | Phoenix Opr Co Inc-Northern La | | Oil Operator | Dec 1992 |
| 23117 | Phoenix Opr Co Inc-Oc Yacht 85 | | Oil Operator | Dec 1992 |
| 23118 | Phoenix Opr Co Inc-Oc Yacht II | | Oil Operator | Dec 1992 |
| 23119 | Phoenix Opr Co Inc-Ocean Yacht | | Oil Operator | Dec 1992 |
| 23120 | Phoenix Opr Co Inc-Petrovest | | Oil Operator | Dec 1992 |
| 23121 | Phoenix Opr Co Inc-PML | | Oil Operator | Dec 1992 |
| 23122 | Phoenix Opr Co Inc-RBF 1985 | | Oil Operator | Dec 1992 |
| 23123 | Phoenix Opr Co Inc-Rvside '85 | | Oil Operator | Dec 1992 |
| 23124 | Phoenix Opr Co Inc-Salem 1985 | | Oil Operator | Dec 1992 |
| 23125 | Phoenix Opr Co Inc-Shemen | | Oil Operator | Dec 1992 |
| 23126 | Phoenix Opr Co Inc-TG I | | Oil Operator | Dec 1992 |
| 23127 | Phoenix Opr Co Inc-TG II | | Oil Operator | Dec 1992 |
| 23128 | Phoenix Opr Co Inc-Vista | | Oil Operator | Dec 1992 |
| 23129 | Phoenix Opr Co Inc-York | | Oil Operator | Dec 1992 |
| 23130 | Phoenix Petrocorp, Inc. | McKinney, TX 75070 | Oil & Gas Operator | Feb 2025 |
| 23131 | Phoenix Petroleum Co | | Oil Operator | Nov 2000 |
| 23132 | Phoenix Petroleum Corp. | | Gas Operator | Aug 1985 |
| 23133 | Phoenix Petroleum, LLC | | Oil & Gas Operator | Feb 2025 |
| 23134 | Phoenix Production Company | Cody, WY 82414-3607 | Oil & Gas Operator | Oct 2023 |
| 23135 | Phoenix Production Inc | Burneyville, OK 73430-2158 | Oil & Gas Operator | Jan 2025 |
| 23136 | Phoenix Resources Co | | Oil & Gas Operator | Jun 1984 |
| 23137 | Phoenix Resources LLC | Longview, TX 75604 | Oil & Gas Operator | Jul 2022 |
| 23138 | Phoenix Resources-Alabama, LLC | | Gas Operator | Nov 2004 |
| 23139 | Phoenix-Vi-Roi | | Oil & Gas Operator | Mar 1986 |
| 23140 | PHX Energy, LLC | Artesia, NM 88211 | Oil & Gas Operator | Feb 2025 |
| 23141 | Phylko Energy Corporation | Houston, TX 77056 | Oil & Gas Operator | Aug 2003 |
| 23142 | Pi Energy, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2025 |
| 23143 | Piall, Theresa | Irving, NY 14081 | Gas Operator | Dec 2023 |
| 23144 | Piatt Enterprises LLC | Graysville, OH 45734 | Oil & Gas Operator | Dec 2023 |
| 23145 | Picayune Resources, Inc | Lexington, KY 40509 | Oil & Gas Operator | Dec 2023 |
| 23146 | Piceance Energy LLC | | Oil & Gas Operator | Jan 2025 |
| 23147 | Piceance Operating Company LLC | | Gas Operator | Oct 2006 |
| 23148 | Pices Energy Production Co. | Alva, OK 73717-9512 | Oil & Gas Operator | Apr 2014 |
| 23149 | Pickelsimer Kenny | Wilson, OK 73463-6502 | Oil & Gas Operator | Aug 2014 |
| 23150 | Pickens Company, Inc., The | Dallas, TX 75225 | Oil & Gas Operator | Jul 2024 |
| 23151 | Pickett Brothers | | Oil Operator | Dec 1995 |
| 23152 | Pickett Oil Co. | Gonzales, TX 78629 | Oil & Gas Operator | Oct 2019 |
| 23153 | Pickett, D. W. | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Sep 2004 |
| 23154 | Pickrell Drilling Co., Inc. | Wichita, KS 67213 | Oil & Gas Operator | Dec 2024 |
| 23155 | Picosa, L.L.C. | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Apr 2025 |
| 23156 | Pie La Operating, LLC | | Oil & Gas Operator | Jan 2025 |
| 23157 | Pie Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Apr 2025 |
| 23158 | Piedmont Resources Corporation | Etna, NY 13062 | Oil Operator | Dec 2023 |
| 23159 | Piedra Operating, LLC | Denver, CO 80202 | Oil & Gas Operator | May 2023 |
| 23160 | Pier Oil Company Inc. | | Oil Operator | Dec 2024 |
| 23161 | Pieratt, Ralph | Burlington, KS 66839 | Oil Operator | Aug 1987 |
| 23162 | Pierce & Petersen | Warren, PA 16365 | Oil & Gas Operator | Dec 2024 |
| 23163 | Pierce G R Oil Properties Inc | Oklahoma City, OK 73106 | Oil Operator | Feb 1999 |
| 23164 | Pierce Investments | Weatherford, OK 73096 | Oil Operator | Jul 1994 |
| 23165 | Pierce James E | Warren, PA 16365-0627 | Oil & Gas Operator | Dec 2011 |
| 23166 | Pierce Junction Petroleum Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2010 |
| 23167 | Pierce L H | Healdton, OK 73438-9530 | Oil Operator | Jan 1996 |
| 23168 | Pierce O M Operations | Duncan, OK 73533 | Oil & Gas Operator | Nov 1998 |
| 23169 | Pierce Oil Company | Skiatook, OK 74070 | Oil & Gas Operator | Nov 2017 |
| 23170 | Pierce Operating Company, L.L.C. | Bryan, TX 77808 | Oil & Gas Operator | Dec 2018 |
| 23171 | Pierce Patsey R The Estate Of | Duncan, OK 73533-4900 | Oil Operator | Mar 2007 |
| 23172 | Pierce Production Company | Eunice, NM 88231 | Oil & Gas Operator | Oct 2012 |
| 23173 | Pierce Production Company, LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 23174 | Pierce, Ray A. | Eunice, NM 88231 | Oil & Gas Operator | Nov 2004 |
| 23175 | Pierco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Apr 2025 |
| 23176 | Pierre Petroleum Corp. | Borger, TX 79007 | Oil & Gas Operator | Feb 1997 |
| 23177 | Piersol Oil & Gas Company | Belpre, OH 45714-0000 | Oil & Gas Operator | Dec 2021 |
| 23178 | Pierson Max S | Bartlesville, OK 74003-5909 | Oil Operator | Sep 2020 |
| 23179 | Pike Oil & Gas Inc | Pittsfield, IL 62363 | Oil & Gas Operator | Oct 2020 |
| 23180 | Pikeco Inc | Whitesboro, TX 76273 | Oil & Gas Operator | Nov 2001 |
| 23181 | Piland Resources | | Oil & Gas Operator | Mar 2022 |
| 23182 | Pilgrim & Smith Inc | Tulsa, OK 74152 | Oil & Gas Operator | Apr 2015 |
| 23183 | Pilgrim Energy Partners L.L.C. | Fairfield, IL 62837 | Oil Operator | Apr 2025 |
| 23184 | Pillans, Benjamin P. | Abilene, TX 79605 | Gas Operator | Aug 2012 |
| 23185 | Pillar Efs, LLC | Dallas, TX 75204 | Oil & Gas Operator | Apr 2025 |
| 23186 | Pillar Energy Pa LLC | Charleston, WV 25312-5987 | Oil & Gas Operator | Dec 2024 |
| 23187 | Pillar Energy, LLC | Charleston, WV 25312-5987-5987 | Oil & Gas Operator | Dec 2024 |
| 23188 | Pillers Chris | Skiatook, OK 74070-1811 | Oil Operator | Jan 2025 |
| 23189 | Pillows, Burl A. | Houston, TX 77062 | Oil & Gas Operator | Apr 2025 |
| 23190 | Pilot Energy LLC | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2013 |
| 23191 | Pilot Exploration Company | Okmulgee, OK 74447 | Oil & Gas Operator | Jan 2011 |
| 23192 | Pilot Oil & Gas Corporation | | Gas Operator | Dec 2008 |
| 23193 | Pilot Resources, Inc. | | Oil & Gas Operator | May 2013 |
| 23194 | Pima Energy, LLC | Knott, TX 79748 | Oil & Gas Operator | Apr 2025 |
| 23195 | Pin Oak Energy Partners LLC | Akron, OH 44311 | Oil & Gas Operator | Jan 2025 |
| 23196 | Pin Oak Operating, LLC | | Gas Operator | Dec 2021 |
| 23197 | Pin Oak Petroleum Inc | Dallas, TX 75251 | Oil & Gas Operator | Dec 1989 |
| 23198 | Pine City Gas LLC | Lucinda, PA 16235-0060 | Oil & Gas Operator | Dec 2024 |
| 23199 | Pine Creek Operating LLC | Colorado SPGS, CO 80903 | Oil & Gas Operator | Jul 2021 |
| 23200 | Pine Haven Resources LLC | Boulder, CO 80305 | Oil Operator | Feb 2025 |