| 10301 | Fenoglio Energy Production, LLC | Nocona, TX 76255 | Oil Operator | Apr 2025 |
| 10302 | Fenoglio Oil Company | Nocona, TX 76255 | Oil Operator | Apr 2025 |
| 10303 | Fenoglio, Donnie Oil Company | Nocona, TX 76255 | Oil & Gas Operator | Feb 2014 |
| 10304 | Fenway Energy Development Co. | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 10305 | Ferenbaugh Albert & Denise | Danville, OH 43014 | Oil & Gas Operator | Dec 2024 |
| 10306 | Fergus Oil & Gas, LLC | Allen, TX 75013 | Oil Operator | Apr 2025 |
| 10307 | Ferguson & Bosworth | | Oil & Gas Operator | May 2007 |
| 10308 | Ferguson Bob | Casper, WY 82605 | Oil Operator | May 2004 |
| 10309 | Ferguson Energy Inc | Evanston, WY 82930 | Oil & Gas Operator | Mar 2025 |
| 10310 | Ferguson Oil & Gas Inc. | Austin, TX 78746 | Oil & Gas Operator | Apr 2025 |
| 10311 | Ferguson Oil Company Inc | | Oil & Gas Operator | Apr 1994 |
| 10312 | Ferguson Orval L | | Oil & Gas Operator | Oct 1983 |
| 10313 | Ferguson, S. M. Jr., Inc. | Dallas, TX 75218 | Oil & Gas Operator | Apr 2025 |
| 10314 | Ferguson-Burns Leasing Co. | Rockdale, TX 76567 | Oil & Gas Operator | Oct 2007 |
| 10315 | Ferguson-Hunter Explor Inc | N Little Rock, AR 72120-1667 | Oil & Gas Operator | Aug 2016 |
| 10316 | Fernwood Corporation | | Oil Operator | Dec 1986 |
| 10317 | Ferraro Energy Corporation | Oklahoma City, OK 73114-6629 | Oil & Gas Operator | Aug 2013 |
| 10318 | Ferreira Oil Properties LLC | Carefree, AZ 85377 | Oil Operator | Apr 2014 |
| 10319 | Ferrell Gas Co. | | Gas Operator | Dec 1977 |
| 10320 | Ferris, Wakyn W. | Denver, CO 80202 | Oil Operator | Jun 1988 |
| 10321 | Ferry Lake Oil Co. | | Oil & Gas Operator | Jan 2025 |
| 10322 | Fesco, LTD. | Alice, TX 78332 | Oil Operator | Apr 2025 |
| 10323 | Fetterman Samuel C SR | Rossiter, PA 15772 | Gas Operator | Dec 2022 |
| 10324 | Fewins, Gary D. | Moran, KS 66755 | Oil Operator | Jul 2019 |
| 10325 | FF&N Oil Company | Spearsville, LA 71277 | Oil Operator | Jul 2024 |
| 10326 | Ffa Petroleum Services | Victoria, TX 77903 | Oil & Gas Operator | Sep 2001 |
| 10327 | Ffa Petroleum Services, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Feb 2018 |
| 10328 | FG III LLC | Colleyville, TX 76034-4963 | Oil & Gas Operator | Apr 2018 |
| 10329 | FGB Energy, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Aug 2017 |
| 10330 | FGS Energy LLC | Duncan, OK 73533-1829 | Oil & Gas Operator | Jan 2025 |
| 10331 | FH Operation Company, Inc. | Dallas, TX 75381 | Oil & Gas Operator | Apr 2005 |
| 10332 | FH Petroleum Corp. | Billings, MT 59103 | Oil & Gas Operator | Feb 2025 |
| 10333 | Fha Investments LLC | Cushing, OK 74023 | Oil & Gas Operator | Jan 2025 |
| 10334 | Fha Operating LLC | Cushing, OK 74023-1030 | Oil & Gas Operator | Nov 2024 |
| 10335 | Fi-Ro Corporation | Natchez, MS BADADDR | Oil & Gas Operator | Nov 2001 |
| 10336 | Fidelity E&P Company | Denver, CO 80202 | Oil & Gas Operator | Feb 2016 |
| 10337 | Fidelity Energy Co. | Gainesville, TX 76241 | Oil & Gas Operator | Apr 2008 |
| 10338 | Fidelity Energy, Inc. | Houston, TX 77055 | Oil & Gas Operator | Dec 2009 |
| 10339 | Fidelity Explor. & Prod. Co. | Denver, CO 80202 | Oil & Gas Operator | Nov 2015 |
| 10340 | Fidelity Exploration & Production Company | Denver, CO 80203 | Oil & Gas Operator | Mar 2025 |
| 10341 | Fidelity Petroleum Corporation | Plano, TX 75074 | Oil & Gas Operator | Apr 2025 |
| 10342 | Fidgets Energy LLC | Checotah, OK 74426-5309 | Oil Operator | Oct 2024 |
| 10343 | Field Petroleum Corp. | San Antonio, TX 78216 | Oil & Gas Operator | Apr 2025 |
| 10344 | Field Production Company | Cleburne, TX 76033 | Oil & Gas Operator | Mar 2023 |
| 10345 | Field Service, Inc. | West Seneca, NY 14206 | Gas Operator | Dec 2023 |
| 10346 | Fields Exploration, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Aug 2015 |
| 10347 | Fields Oil & Gas Company, LLC | Dallas, TX 75230 | Oil & Gas Operator | Apr 2025 |
| 10348 | Fields, Bert, Jr. | Dallas, TX 75230 | Oil & Gas Operator | Apr 2015 |
| 10349 | Fieldstone Exploration Co | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2007 |
| 10350 | Fieldwood Energy LLC | Houston, TX 77042 | Oil & Gas Operator | Dec 2024 |
| 10351 | Fieldwood Energy Offshore LLC | Houston, TX 77042 | Oil & Gas Operator | Apr 2025 |
| 10352 | Fieldwood Onshore LLC | Houston, TX 77098 | Oil & Gas Operator | Apr 2025 |
| 10353 | Fiesta Energy LLC | Midland, TX 79705 | Oil Operator | Apr 2025 |
| 10354 | Fife Oil & Gas | | Oil Operator | Oct 1987 |
| 10355 | Fife Oil & Gas, Inc. | | Oil Operator | Mar 1991 |
| 10356 | Fife Oil Company, Inc. | | Oil & Gas Operator | Feb 2008 |
| 10357 | Fifth Creek Energy Operating Company LLC | | Oil & Gas Operator | Mar 2018 |
| 10358 | Fifty Third Corp. & K.M.O.C. | | Gas Operator | Jul 1994 |
| 10359 | Fifty-One Production Inc | Mannford, OK 74044 | Oil & Gas Operator | Jan 2013 |
| 10360 | Fifty-Third Corporation | | Gas Operator | Jul 1994 |
| 10361 | Figgie Natural Resources | Wickliffe, OH 44092 | Oil & Gas Operator | Oct 1995 |
| 10362 | Figure 3 Operating LLC | Tyler, TX 75703 | Oil Operator | Apr 2025 |
| 10363 | Filco Incorporated | | Oil & Gas Operator | Feb 2025 |
| 10364 | Fiml Natural Resources LLC (FNR) | Denver, CO 80202-4438 | Oil & Gas Operator | Jul 2014 |
| 10365 | Fiml Natural Resources, LLC | Denver, CO 80202 | Oil & Gas Operator | Aug 2014 |
| 10366 | Fin Energy, LLC | Wichita Falls, TX 76308 | Oil Operator | Apr 2025 |
| 10367 | Fin-Oil, Inc. | | Oil & Gas Operator | Apr 1985 |
| 10368 | Fina Oil & Chemi | | Oil & Gas Operator | Oct 1995 |
| 10369 | Fina Oil & Chemical | Midland, TX 797022455 | Oil & Gas Operator | Apr 1999 |
| 10370 | Fina Oil And Chemical Company | Dallas, TX 75221 | Oil & Gas Operator | May 2019 |
| 10371 | Fina Oil& Chem Co/Marathon Oil | | Oil & Gas Operator | Dec 1992 |
| 10372 | Finaly Resources LLC | Sunset Beach, CA 90742 | Oil & Gas Operator | Apr 2025 |
| 10373 | Finch-Crestmont | Houston, TX 77027 | Oil & Gas Operator | Oct 2012 |
| 10374 | Finck Oil & Gas Co | Junction City, OH 43748 | Oil & Gas Operator | Dec 2024 |
| 10375 | Finders Co And Sullivan And Co | | Oil & Gas Operator | May 1987 |
| 10376 | Finders Co The | | Oil & Gas Operator | Jan 1998 |
| 10377 | Fine Jack | Pensacola, FL 32516 | Oil Operator | May 1995 |
| 10378 | Finger Oil & Gas, Inc. | Castroville, TX 78009 | Oil & Gas Operator | May 2021 |
| 10379 | Finkelstein, Jack, Trustee | Houston, TX 77027 | Oil & Gas Operator | Apr 2007 |
| 10380 | Finlay Energy, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Jul 1999 |
| 10381 | Finley Oil Compa | | Oil Operator | Oct 1992 |
| 10382 | Finley Oil Company, LLC | Liberty, TX 77575 | Oil Operator | Apr 2025 |
| 10383 | Finley Resources Inc | Fort Worth, TX 76113 | Oil & Gas Operator | Apr 2025 |
| 10384 | Finley, Billy D | Burkesville, KY 42717 | Oil Operator | Dec 2020 |
| 10385 | Finnell Oil Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2009 |
| 10386 | Finnell Oil Services, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2025 |
| 10387 | Finney Drilling Co. | Wann, OK 74083-2314 | Oil Operator | Jul 2018 |
| 10388 | Finney Kyler A Dba Finney Oil Co | Wann, OK 74083 | Oil Operator | Jan 2025 |
| 10389 | Finney Oil Company | | Oil & Gas Operator | Dec 2024 |
| 10390 | Finston Arthur | Tulsa, OK 74105-7183 | Oil & Gas Operator | Mar 2007 |
| 10391 | Firebird Energy II LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2025 |
| 10392 | Firebird Energy LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Nov 2022 |
| 10393 | Firehouse Energy LLC | Morris, OK 74445 | Oil & Gas Operator | Mar 2024 |
| 10394 | Firerock Company | Abilene, TX 79602 | Oil & Gas Operator | Apr 2025 |
| 10395 | Fireside Oil And Gas, Inc. | West Monroe, LA 71294 | Oil & Gas Operator | Feb 2002 |
| 10396 | Firestone Tire & Rubber | Akron, OH 44317 | Oil & Gas Operator | Dec 1989 |
| 10397 | Firewater, Inc. | Hobbs, NM 88240 | Oil & Gas Operator | Dec 2011 |
| 10398 | Firewheel Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Nov 2017 |
| 10399 | Firey Oil Company | Sand Springs, OK 74063 | Oil & Gas Operator | Feb 2021 |
| 10400 | First Alliance CH | Erie, PA 16506-5024 | Gas Operator | Dec 2017 |