| 10301 | Field Petroleum Corp. | San Antonio, TX 78216 | Oil & Gas Operator | Feb 2026 |
| 10302 | Field Production Company | Cleburne, TX 76033 | Oil & Gas Operator | Mar 2023 |
| 10303 | Field Service, Inc. | West Seneca, NY 14206 | Gas Operator | Dec 2024 |
| 10304 | Fields Exploration, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Aug 2015 |
| 10305 | Fields Oil & Gas Company, LLC | Dallas, TX 75230 | Oil & Gas Operator | Feb 2026 |
| 10306 | Fields, Bert, Jr. | Dallas, TX 75230 | Oil & Gas Operator | Apr 2015 |
| 10307 | Fieldstone Exploration Company | | Oil & Gas Operator | Jan 2007 |
| 10308 | Fieldwood Energy LLC | Houston, TX 77042 | Oil & Gas Operator | Dec 2024 |
| 10309 | Fieldwood Energy Offshore LLC | Houston, TX 77042 | Oil & Gas Operator | Feb 2026 |
| 10310 | Fieldwood Onshore LLC | Houston, TX 77098 | Oil & Gas Operator | Feb 2026 |
| 10311 | Fiesta Energy LLC | Corpus Chrsti, TX 78404 | Oil & Gas Operator | Feb 2026 |
| 10312 | Fife Oil & Gas | | Oil Operator | Oct 1987 |
| 10313 | Fife Oil & Gas, Inc. | | Oil Operator | Mar 1991 |
| 10314 | Fife Oil Company, Inc. | | Oil & Gas Operator | Feb 2008 |
| 10315 | Fifty Third Corp. & K.M.O.C. | | Gas Operator | Jul 1994 |
| 10316 | Fifty-Third Corporation | | Gas Operator | Jul 1994 |
| 10317 | Figgie Natural Resources | Wickliffe, OH 44092 | Oil & Gas Operator | Oct 1995 |
| 10318 | Figure 3 Operating LLC | Tyler, TX 75703 | Oil Operator | Dec 2024 |
| 10319 | Filco Incorporated | | Oil & Gas Operator | Dec 2025 |
| 10320 | Fiml Natural Resources LLC (FNR) | Denver, CO 80202-4438 | Oil & Gas Operator | Jul 2014 |
| 10321 | Fiml Natural Resources, LLC | Denver, CO 80202 | Oil & Gas Operator | Aug 2014 |
| 10322 | Fin Energy, LLC | Wichita Falls, TX 76308 | Oil Operator | Feb 2026 |
| 10323 | Fin-Oil, Inc. | | Oil & Gas Operator | Apr 1985 |
| 10324 | Fina Oil & Chemi | | Oil & Gas Operator | Oct 1995 |
| 10325 | Fina Oil & Chemical | Midland, TX 797022455 | Oil & Gas Operator | Apr 1999 |
| 10326 | Fina Oil And Chemical Company | Dallas, TX 75221 | Oil & Gas Operator | May 2019 |
| 10327 | Fina Oil& Chem Co/Marathon Oil | | Oil & Gas Operator | Dec 1992 |
| 10328 | Finaly Resources LLC | Sunset Beach, CA 90742 | Oil & Gas Operator | Feb 2026 |
| 10329 | Finch-Crestmont | Houston, TX 77027 | Oil & Gas Operator | Oct 2012 |
| 10330 | Finck Oil & Gas Co | Junction City, OH 43748 | Oil & Gas Operator | Dec 2024 |
| 10331 | Finders Co And Sullivan And Co | | Oil & Gas Operator | May 1987 |
| 10332 | Finders Co The | | Oil & Gas Operator | Jan 1998 |
| 10333 | Fine Jack | Pensacola, FL 32516 | Oil Operator | May 1995 |
| 10334 | Finger Oil & Gas, Inc. | Castroville, TX 78009 | Oil & Gas Operator | May 2021 |
| 10335 | Finkelstein, Jack, Trustee | Houston, TX 77027 | Oil & Gas Operator | Apr 2007 |
| 10336 | Finlay Energy, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Jul 1999 |
| 10337 | Finley Oil Compa | | Oil Operator | Oct 1992 |
| 10338 | Finley Oil Company, LLC | Liberty, TX 77575 | Oil Operator | Feb 2026 |
| 10339 | Finley Resources Inc | Fort Worth, TX 76113 | Oil & Gas Operator | Feb 2026 |
| 10340 | Finley, Billy D | Burkesville, KY 42717 | Oil Operator | Dec 2020 |
| 10341 | Finnell Oil Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2009 |
| 10342 | Finnell Oil Services, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 10343 | Finney Drilling Company | Wann, OK 74083-2314 | Oil Operator | Jul 2018 |
| 10344 | Finney Kyler A Dba Finney Oil Co | Wann, OK 74083 | Oil Operator | Oct 2025 |
| 10345 | Finney Oil Company | | Oil & Gas Operator | Sep 2025 |
| 10346 | Finston Arthur | Tulsa, OK 74105-7183 | Oil & Gas Operator | Mar 2007 |
| 10347 | Firebird Energy II LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Feb 2026 |
| 10348 | Firebird Energy LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Nov 2022 |
| 10349 | Firehouse Energy LLC | Morris, OK 74445 | Oil & Gas Operator | Mar 2024 |
| 10350 | Firerock Company | Abilene, TX 79602 | Oil & Gas Operator | Feb 2026 |
| 10351 | Fireside Oil And Gas, Inc. | West Monroe, LA 71294 | Oil & Gas Operator | Feb 2002 |
| 10352 | Firestone Raymond C | Akron, OH 44313 | Oil & Gas Operator | Dec 2003 |
| 10353 | Firestone Tire & Rubber | Akron, OH 44317 | Oil & Gas Operator | Dec 1989 |
| 10354 | Firewater, Inc. | Hobbs, NM 88240 | Oil & Gas Operator | Dec 2011 |
| 10355 | Firewheel Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Nov 2017 |
| 10356 | Firey Oil Company | Sand Springs, OK 74063 | Oil & Gas Operator | Feb 2021 |
| 10357 | First Alliance CH | Erie, PA 16506-5024 | Gas Operator | Dec 2017 |
| 10358 | First Amer Energy Inc | Bradford, PA 16701-0184 | Oil & Gas Operator | Dec 2024 |
| 10359 | First American Operating Co. | Breckenridge, TX 76424 | Oil & Gas Operator | Aug 2006 |
| 10360 | First Aransas Reserves, Inc. | Alvin, TX 77511 | Oil & Gas Operator | Mar 2018 |
| 10361 | First Ascent Operating LLC | Addison, TX 75001 | Oil Operator | Oct 2025 |
| 10362 | First Chinese Baptist Church | | Oil Operator | Dec 2006 |
| 10363 | First Energy Cor | | Oil Operator | Aug 1990 |
| 10364 | First Energy Corporation | | Oil & Gas Operator | Jun 1993 |
| 10365 | First Energy Development Corp. | | Oil & Gas Operator | Sep 2008 |
| 10366 | First Energy Properties | Houston, TX 77060 | Oil & Gas Operator | Dec 1986 |
| 10367 | First Hardin Corp. | Fulshear, TX 77441 | Oil & Gas Operator | Nov 1994 |
| 10368 | First Liberty Energy Inc | Boca Raton, FL 33432-5942 | Oil & Gas Operator | Jul 2013 |
| 10369 | First Light Operating, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Feb 2026 |
| 10370 | First National Finance Corporation | | Oil Operator | Dec 1995 |
| 10371 | First National O | | Oil & Gas Operator | Aug 1990 |
| 10372 | First National Oil Inc | Edmond, OK 73003 | Oil & Gas Operator | Oct 2025 |
| 10373 | First Natural Gas Inc | Checotah, OK 74426 | Oil & Gas Operator | Oct 2025 |
| 10374 | First Oil And Gas Company | | Oil Operator | Oct 2025 |
| 10375 | First Paragon Properties, L.L.C. | Alice, TX 78333 | Oil Operator | Feb 2026 |
| 10376 | First Permian, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 10377 | First Reserve Oil & Gas Co | Houston, TX 77002 | Oil & Gas Operator | Apr 2000 |
| 10378 | First Rock, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Feb 2026 |
| 10379 | First Solid Energy Group, LP | Missouri City, TX 77489 | Oil & Gas Operator | Feb 2026 |
| 10380 | First Source Gas, LP | Houston, TX 77010 | Gas Operator | Jan 2006 |
| 10381 | First Source Texas, Inc. | MT Pleasant, MI 48858 | Gas Operator | Nov 2004 |
| 10382 | First Sourcenergy Wyoming Inc | Gillette, WY 82718 | Gas Operator | Jul 2003 |
| 10383 | First South Energy Corp | Hartland, WI 53029 | Oil & Gas Operator | Dec 2014 |
| 10384 | First Texas Exploration Corp. | Arcadia, LA 71001 | Oil & Gas Operator | Aug 2003 |
| 10385 | First Zone Production | Salt Lake City, UT 84102 | Oil & Gas Operator | Dec 1997 |
| 10386 | Firstrike Energy Corporation | Cleburne, TX 76033 | Oil & Gas Operator | Jan 2025 |
| 10387 | Fischer Operating Corporation | Victoria, TX 77902 | Oil & Gas Operator | Jan 1999 |
| 10388 | Fiscus Drilling Co., Inc. | Clyde, TX 79510 | Oil & Gas Operator | Apr 2015 |
| 10389 | Fishburn Producing Inc | Marengo, OH 43334 | Oil & Gas Operator | Dec 2024 |
| 10390 | Fishburn Services Inc | Marengo, OH 43334 | Oil & Gas Operator | Dec 1990 |
| 10391 | Fishcreek Minerals, LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 10392 | Fisher Ellis R | Bristow, OK 74010-8515 | Oil & Gas Operator | Dec 2015 |
| 10393 | Fisher Ernest B | Bristow, OK 74010 | Oil Operator | Jul 2024 |
| 10394 | Fisher Joint Venture | | Oil & Gas Operator | Oct 1998 |
| 10395 | Fisher McCall Oil And Gas Inc | | Oil Operator | Dec 2014 |
| 10396 | Fisher Oil Co. | Big Lake, TX 76932 | Oil & Gas Operator | Feb 2026 |
| 10397 | Fisher, Jack Inc. | Abilene, TX 79603 | Oil & Gas Operator | Sep 2001 |
| 10398 | Fisher, L. C. Jr. | Longview, TX 75608 | Oil & Gas Operator | May 1993 |
| 10399 | Fisk Family Farms LLC | | Gas Operator | Nov 2025 |
| 10400 | Fitch Petroleum Company Inc | Adair, OK 74330 | Oil Operator | Aug 2025 |