| 22201 | Peoples Bank & Trust Company | McPherson, KS 67460 | Oil Operator | Jan 2013 |
| 22202 | Peoples Energy Prod.-TX, L.P. | Houston, TX 77002 | Oil & Gas Operator | Sep 2007 |
| 22203 | Peoples Energy Production-Texas, L.P. | Houston, TX 77010 | Oil & Gas Operator | Oct 2007 |
| 22204 | Peoples Gas Co LLC | Butler, PA 16001-4904 | Oil & Gas Operator | Dec 2005 |
| 22205 | Peoples Natural Gas Co LLC | Pittsburgh, PA 15212 | Gas Operator | Dec 2016 |
| 22206 | Peoples Oil, LLC | Ottawa, KS 66067 | Oil Operator | Mar 2025 |
| 22207 | Pep Drilling LLC | MT Vernon, IL 62864 | Oil & Gas Operator | Dec 2022 |
| 22208 | Pepin Oil Co | Stillwater, OK 74076 | Oil & Gas Operator | Oct 2013 |
| 22209 | Pepin Operating Company Inc | Stillwater, OK 74075-9535 | Oil & Gas Operator | May 2009 |
| 22210 | Pepper Development, LLC | Clarksburg, WV 26302 | Oil & Gas Operator | Dec 2021 |
| 22211 | Pepper Oil Co | Newark, OH 43055 | Oil & Gas Operator | Dec 1992 |
| 22212 | Percussion Petroleum Oper II,LLC | Houston, TX 77042 | Oil & Gas Operator | Jul 2023 |
| 22213 | Percussion Petroleum Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2019 |
| 22214 | Perdido Energy Louisiana, LLC | | Oil & Gas Operator | Dec 2024 |
| 22215 | Perdido Energy, LLC | Houston, TX 77251 | Oil & Gas Operator | Jul 2025 |
| 22216 | Perdue-Davidson Oil Co | | Oil & Gas Operator | Dec 2021 |
| 22217 | Perdura Energy L.L.C. | | Oil & Gas Operator | Apr 2018 |
| 22218 | Perdure Petroleum LLC | Allen, TX 75013 | Oil & Gas Operator | Oct 2021 |
| 22219 | Peregrine Energy, Inc. | Spring, TX 77393 | Oil & Gas Operator | Jul 1999 |
| 22220 | Peregrine Petroleum Corp | Oklahoma City, OK 73116-7639 | Oil & Gas Operator | May 2020 |
| 22221 | Peregrine Petroleum Partners, LTD | | Oil & Gas Operator | Oct 2021 |
| 22222 | Peregrine Petroleum PRTNR, LTD. | Dallas, TX 75201 | Oil & Gas Operator | Jul 2025 |
| 22223 | Perenco LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2005 |
| 22224 | Perera Ray & Den | | Oil Operator | Sep 1994 |
| 22225 | Perez, H. F. | Alice, TX 78332 | Oil & Gas Operator | May 2023 |
| 22226 | Performance Energy Partners LLC | Barnsdall, OK 74002-0628 | Oil & Gas Operator | Oct 2024 |
| 22227 | Performance Operating Company LLC | Barnsdall, OK 74002 | Oil & Gas Operator | Apr 2025 |
| 22228 | Performance Operating Partners, LLC | Shreveport, LA 71164 | Oil & Gas Operator | Jul 2025 |
| 22229 | Performance Petroleum Company LLC | Barnsdall, OK 74002 | Oil & Gas Operator | Apr 2025 |
| 22230 | Pergerson Energy, L.L.C. | Richmond, VA 23225 | Oil Operator | Jul 2025 |
| 22231 | Perimeter Resource Company | Midland, TX 79702 | Oil & Gas Operator | Jul 2025 |
| 22232 | Periscope Operating LLC | McKinney, TX 75069 | Oil & Gas Operator | Jun 2020 |
| 22233 | Perkins & Perkins Oil Co. Inc. | Allegany, NY 14706 | Oil & Gas Operator | Dec 2024 |
| 22234 | Perkins Energy Company | Duncan, OK 73533-3853 | Oil & Gas Operator | May 2025 |
| 22235 | Perkins Mike | Velma, OK 73091 | Oil & Gas Operator | Jan 2006 |
| 22236 | Perkins Nova | Atwood, OK 74827-9738 | Oil Operator | Feb 2014 |
| 22237 | Perkins Oil & Gas Inc | Pennsboro, WV 26415-0547 | Oil & Gas Operator | Dec 2021 |
| 22238 | Perkins Oil Comp | | Oil Operator | Nov 1988 |
| 22239 | Perkins Oil Ente | | Oil & Gas Operator | Dec 1995 |
| 22240 | Perkins Oil Enterprises, Inc. | Howard, KS 67349 | Oil & Gas Operator | Mar 2025 |
| 22241 | Perkins Oil Properties | | Oil & Gas Operator | Nov 2024 |
| 22242 | Perkins Production Company Inc | Seminole, OK 74868 | Oil & Gas Operator | May 2006 |
| 22243 | Perkins Production Company LLC | Pennsboro, WV 26415 | Oil & Gas Operator | Dec 2021 |
| 22244 | Perkins, Bobby R | | Oil Operator | Mar 2017 |
| 22245 | Perkins, Don & Assoc, Inc | | Oil Operator | Dec 2011 |
| 22246 | Perkins, Earl | | Oil & Gas Operator | Aug 2013 |
| 22247 | Perkins, Eugene O. | Boerne, TX 78015 | Oil & Gas Operator | Jul 2025 |
| 22248 | Perkins-Prothro Company | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2002 |
| 22249 | Perlman,I.H.Oil & Gas Properties | Houston, TX 77056 | Oil & Gas Operator | Mar 2008 |
| 22250 | Permeator Corp. | | Oil Operator | Sep 1990 |
| 22251 | Permex Petroleum Company, LLC | Dallas, TX 75201 | Oil & Gas Operator | Mar 2024 |
| 22252 | Permex Petroleum Corporation | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 22253 | Permian Basin Oil Corporation | Odessa, TX 79762 | Oil & Gas Operator | Jul 2025 |
| 22254 | Permian Deep Rock Oil Co., LLC | Midland, TX 79702 | Oil & Gas Operator | Jul 2025 |
| 22255 | Permian Development, Inc. | Midland, TX 79701 | Oil & Gas Operator | Mar 2008 |
| 22256 | Permian Legend LLC | San Marcos, TX 78666 | Oil Operator | Jul 2025 |
| 22257 | Permian Natural Resources | Pflugerville, TX 78660 | Oil & Gas Operator | Jul 2025 |
| 22258 | Permian Pacific Resources, Inc. | Dallas, TX 75230 | Oil & Gas Operator | Aug 2003 |
| 22259 | Permian Reef, LLC | Greenwood, IN 46143 | Gas Operator | Mar 2011 |
| 22260 | Permian Resources Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2025 |
| 22261 | Permian Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 22262 | Permian Resources, LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2018 |
| 22263 | Permian Roustabout & Oilfield Services LLC | Blanchard, OK 73010 | Oil & Gas Operator | Feb 2024 |
| 22264 | Permian Services Co., LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2013 |
| 22265 | Permian Solutions LLC | Midland, TX 79702 | Oil Operator | Jul 2025 |
| 22266 | Permian Surveys | Midland, TX 79707 | Oil & Gas Operator | Oct 1999 |
| 22267 | Permian West Corp. | Odessa, TX 79762 | Oil & Gas Operator | Jul 2025 |
| 22268 | Permok Oil Inc | Shawnee Mission, KS 662082110 | Oil & Gas Operator | Feb 2013 |
| 22269 | Perna Oil & Gas LLC | | Oil & Gas Operator | Nov 2024 |
| 22270 | Pero Farms Inc. | Brant, NY 14027 | Gas Operator | Dec 2024 |
| 22271 | Peroco Oil & Gas | Killbuck, OH 44637 | Oil & Gas Operator | Dec 1987 |
| 22272 | Perrin Oil Compa | | Oil & Gas Operator | Jun 1985 |
| 22273 | Perrin, Mary L | | Oil & Gas Operator | Oct 2005 |
| 22274 | Perry C A And Son Inc | | Oil & Gas Operator | Dec 1994 |
| 22275 | Perry L Larson Operating Co | Dallas, TX 75231-4712 | Oil & Gas Operator | Apr 2025 |
| 22276 | Perry Operating Inc. | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 22277 | Perry Petroleum | | Oil Operator | Jun 1993 |
| 22278 | Perry Point, Inc. | | Oil Operator | Mar 2022 |
| 22279 | Perry Producing Company, Inc. | Ackerly, TX 79713 | Oil & Gas Operator | Jul 2025 |
| 22280 | Perry Production Company Inc | Perry, OK 73077-0412 | Oil & Gas Operator | May 2006 |
| 22281 | Perry, J. R. & Co. | Haskell, TX 79521 | Oil & Gas Operator | Jul 2015 |
| 22282 | Perry, James D | El Dorado, AR 71730 | Oil Operator | Dec 2024 |
| 22283 | Perry, Robert And Elizabeth | Dewittville, NY 14728 | Gas Operator | Dec 2024 |
| 22284 | Perryman Exp. And Prod., LLC | Athens, TX 75751 | Oil & Gas Operator | Jul 2025 |
| 22285 | Perryman Operating Company | Athens, TX 75751 | Oil & Gas Operator | Jul 2025 |
| 22286 | Perryton Operating Co., Inc. | Perryton, TX 79070 | Oil & Gas Operator | Jul 2025 |
| 22287 | Person Oil Co. | Bowie, TX 76230 | Oil & Gas Operator | Sep 2002 |
| 22288 | Person, Claude | Bowie, TX 76230 | Oil & Gas Operator | Apr 2007 |
| 22289 | Person, J.S., Inc. | Longview, TX 75606 | Oil & Gas Operator | Jul 2025 |
| 22290 | Pesco | | Oil & Gas Operator | Oct 1984 |
| 22291 | Pet Processors L.L.C | Painesville, OH 44077 | Oil & Gas Operator | Dec 2024 |
| 22292 | Pet-Ex, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2025 |
| 22293 | Petaluma Oil & Gas | | Oil & Gas Operator | Dec 1999 |
| 22294 | Petco Energy Corporation | Hinsdale, IL 60521 | Oil & Gas Operator | Jul 2025 |
| 22295 | Petco Energy Ser | | Oil Operator | Apr 1986 |
| 22296 | Petco Petroleum Corp | Hinsdale, IL 60521 | Oil & Gas Operator | Apr 2025 |
| 22297 | Petcon Associates LTD | Denver, CO 80202 | Oil & Gas Operator | Sep 2018 |
| 22298 | Pete Caldwell Drilling Co.,Inc | | Oil & Gas Operator | Aug 1991 |
| 22299 | Pete Mills | Midland, TX 79707 | Oil & Gas Operator | Oct 2012 |
| 22300 | Pete'S Pumping & Well Services, LLC | Butler, AL 36904 | Oil & Gas Operator | Mar 2025 |