| 10201 | Family Trust B, The | San Angelo, TX 76904 | Oil & Gas Operator | May 2019 |
| 10202 | Fancher Oil Co. | | Oil & Gas Operator | Sep 1995 |
| 10203 | Fancher Oil Comp | | Oil & Gas Operator | Aug 1995 |
| 10204 | Fancher Oil LLC | Greenwood, CO 80111 | Oil & Gas Operator | Nov 2006 |
| 10205 | Fancher, Geo. H, Jr. | Denver, CO 80202 | Gas Operator | Mar 1996 |
| 10206 | Fanion Production Co. | San Antonio, TX 78212 | Oil & Gas Operator | Oct 1997 |
| 10207 | Fanshier, Roger | Seward, KS 67576 | Oil Operator | Oct 2008 |
| 10208 | Fantasy Oil & Gas Ventures, L.L.C. | | Oil Operator | Dec 2024 |
| 10209 | Fantome, LLC | | Oil Operator | Jan 2007 |
| 10210 | Faoc Operating LLC | Houston, TX 77057 | Oil Operator | Jun 2018 |
| 10211 | Far West Development, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Apr 2025 |
| 10212 | Farabaugh Arthur R & John A | Loretto, PA 15940-8001 | Gas Operator | Dec 2015 |
| 10213 | Fargo Exploration Co. | Abilene, TX 79601 | Oil & Gas Operator | Dec 1995 |
| 10214 | Fargo Oil & Gas, LLC | Corpus Chrsti, TX 78415 | Oil & Gas Operator | Apr 2025 |
| 10215 | Farley Christopher D | Kellyville, OK 74039 | Oil & Gas Operator | Jul 2019 |
| 10216 | Farley, Thomas | Perry, NY 14530 | Gas Operator | Dec 2023 |
| 10217 | Farmer Dog Oil Co., A General Partnership | Humboldt, KS 66748 | Oil Operator | Dec 2024 |
| 10218 | Farmer Inc | | Oil Operator | Dec 2023 |
| 10219 | Farmer Operating, LLC | Olney, TX 76374 | Oil & Gas Operator | Dec 2019 |
| 10220 | Farmer, Hayden | Olney, TX 76374 | Oil & Gas Operator | Feb 1997 |
| 10221 | Farmer, John O., Inc. | Russell, KS 67665 | Oil & Gas Operator | Dec 2024 |
| 10222 | Farmer, Lewis & Hayden | Olney, TX 76374 | Oil & Gas Operator | Oct 2008 |
| 10223 | Farmers Energy Corporation | Tulsa, OK 74103-3525 | Oil & Gas Operator | Nov 2021 |
| 10224 | Farmers Of Tulsa Energy Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Sep 1997 |
| 10225 | Farmers Royalty Pool | | Oil & Gas Operator | Jul 1992 |
| 10226 | Farmers Union Central Exchange, Inc. | | Oil & Gas Operator | May 1983 |
| 10227 | Farmland Industries Inc | Kansas City, MO 64195-0111 | Oil & Gas Operator | Nov 1995 |
| 10228 | Farnsworth & Kaiser Oil Company | Newcastle, WY 82701 | Oil & Gas Operator | Sep 2012 |
| 10229 | Farr Enterprises Inc | West Union, WV 24656 | Oil & Gas Operator | Dec 2021 |
| 10230 | Farrar Carolyn Dba C J Investments | Kingfisher, OK 73750 | Oil & Gas Operator | Sep 2024 |
| 10231 | Farrar Oil Co | MT Vernon, IL 62864 | Oil & Gas Operator | Dec 2000 |
| 10232 | Farrar Oilwell S | | Oil & Gas Operator | Jul 1986 |
| 10233 | Farrar Pump & Su | | Oil & Gas Operator | Dec 1996 |
| 10234 | Farrar Pump & Supply Co., Inc. | Medicine Lodge, KS 67104 | Oil & Gas Operator | Jun 2009 |
| 10235 | Farrar, Irmgard | Dewittville, NY 14728 | Gas Operator | Dec 2023 |
| 10236 | Farrell Oil Company | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2025 |
| 10237 | Farrex, Inc. | Vernon, TX 76384 | Oil & Gas Operator | Oct 2008 |
| 10238 | Farrington & Hepler Gas & Oil Inc | Seneca, PA 16346-0546 | Oil & Gas Operator | Dec 2024 |
| 10239 | Farrington, Walter L., Jr. | Tyler, TX 75701 | Oil & Gas Operator | Feb 2002 |
| 10240 | Farris Oil, Inc. | Sedan, KS 67361 | Oil Operator | Dec 2024 |
| 10241 | Farris Well Service | | Oil & Gas Operator | Dec 2021 |
| 10242 | Farris Well Service LLC | Liberal, KS 67901-5644 | Oil & Gas Operator | Jul 2016 |
| 10243 | Farthing Don Oil | | Oil & Gas Operator | Jun 1994 |
| 10244 | Fas Services, Inc. | | Oil Operator | Apr 2005 |
| 10245 | Faseler, Herb | Hondo, TX 78861 | Oil Operator | Apr 2025 |
| 10246 | Fasken Oil And Ranch, LTD. | Midland, TX 79707 | Oil & Gas Operator | Apr 2025 |
| 10247 | Fasken, Barbara | Midland, TX 79701 | Oil & Gas Operator | Dec 1995 |
| 10248 | Fastrak Energy, LLC | Cherryvale, KS 67335 | Oil & Gas Operator | Dec 2024 |
| 10249 | Faul Energy, Inc. | | Oil & Gas Operator | Oct 1988 |
| 10250 | Faulconer Energy, LLC | Tyler, TX 75711 | Oil & Gas Operator | Apr 2025 |
| 10251 | Faulconer Inc* Vernon E | | Gas Operator | Dec 2018 |
| 10252 | Faulconer Vernon E Inc | Tyler, TX 75711 | Oil & Gas Operator | Feb 2025 |
| 10253 | Faulkner Corporation | Oklahoma City, OK 73154-9704 | Oil & Gas Operator | Jan 2017 |
| 10254 | Faulkner DRLG Co, Inc | | Oil Operator | Dec 2023 |
| 10255 | Faust H Floyd | Cardington, OH 43315 | Oil Operator | Dec 1998 |
| 10256 | Fawnwood Energy Inc | Bruin, PA 16022-0157 | Oil & Gas Operator | Dec 2019 |
| 10257 | Fay A. Williams | | Oil & Gas Operator | Dec 2024 |
| 10258 | FBF Energy LLC | Tulsa, OK 74120 | Oil & Gas Operator | Feb 2025 |
| 10259 | FBN Operating Co | | Oil Operator | Nov 1986 |
| 10260 | FDF Resources | Newcastle, WY 82701 | Oil & Gas Operator | Mar 2025 |
| 10261 | FDL Operating, LLC | Judson, TX 75660 | Oil & Gas Operator | Apr 2025 |
| 10262 | Fe Co. | Derby, KS 67037 | Oil & Gas Operator | Dec 2009 |
| 10263 | Fe-NM, LLC | Tyler, TX 75711 | Oil & Gas Operator | Feb 2025 |
| 10264 | Feagan Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2025 |
| 10265 | Fear & Duncan | | Oil Operator | Jul 1979 |
| 10266 | Fears George E | | Oil & Gas Operator | Mar 2019 |
| 10267 | Fears Jr Laymon F | Bartlesville, OK 74003-2323 | Oil & Gas Operator | May 2013 |
| 10268 | Feazel Operating Company, Inc. | | Oil & Gas Operator | Feb 1979 |
| 10269 | Fed Operating LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 10270 | Federal Energy Development Co. | Dallas, TX 75205 | Oil & Gas Operator | Mar 2011 |
| 10271 | Federal Hill Land Co., Inc. | | Gas Operator | Apr 1991 |
| 10272 | Federal Oil & Gas - Rood L L C | | Oil & Gas Operator | Dec 2024 |
| 10273 | Federal Oil, Inc. | Big Spring, TX 79721 | Oil & Gas Operator | Apr 2025 |
| 10274 | Federated Natural Resources Corp | | Oil & Gas Operator | Oct 1989 |
| 10275 | Federated Natural Resources Corp And Fede | | Oil & Gas Operator | Feb 1989 |
| 10276 | Federated Oil & Gas Properties | Traverse City, MI 49685 | Gas Operator | Mar 2014 |
| 10277 | Federated Oil And Gas Properties Inc | | Oil & Gas Operator | Feb 2025 |
| 10278 | Federer, H. C. | Amarillo, TX 79101 | Oil & Gas Operator | Dec 1993 |
| 10279 | Fee Energy Corporation | | Oil & Gas Operator | Jul 1978 |
| 10280 | Feeley Ranch LLC | Broken Arrow, OK 74014 | Gas Operator | Dec 2017 |
| 10281 | Fees Jr And Son Oil & Gas* Walter S | | Oil & Gas Operator | Feb 2025 |
| 10282 | Feezel A L LLC | Ada, OK 74821-1371 | Oil & Gas Operator | Mar 2015 |
| 10283 | Feikls Oil & Gas Inc | Eagle, ID 83616-7713 | Oil & Gas Operator | Dec 2024 |
| 10284 | Feinen, Richard C. | Forestville, NY 14062 | Gas Operator | Dec 2023 |
| 10285 | Feldco, Inc. | | Oil & Gas Operator | Apr 2007 |
| 10286 | Felderhoff Production Company | Muenster, TX 76252 | Oil & Gas Operator | Apr 2025 |
| 10287 | Felix Energy Holdings II, LLC | Tulsa, OK 74172 | Oil & Gas Operator | Apr 2020 |
| 10288 | Felix Energy LLC | Denver, CO 80202-1467 | Oil & Gas Operator | Jan 2025 |
| 10289 | Fell Oil & Gas C | | Oil Operator | Oct 1991 |
| 10290 | Fell Oil And Gas Inc | Tulsa, OK 74157-9487 | Oil & Gas Operator | Aug 2016 |
| 10291 | Fell, Clarence | | Gas Operator | Dec 1972 |
| 10292 | Fell-Brecklein-Town Oil Co. | | Oil Operator | Dec 1975 |
| 10293 | Fellows Energy LTD | Price, UT 84501-2016 | Gas Operator | Sep 2007 |
| 10294 | Felmont Oil Corporation | Walnut Creek, CA 94596-3568 | Oil & Gas Operator | Feb 1990 |
| 10295 | Felty Drilling Co. Inc | Burkburnett, TX 76354 | Oil & Gas Operator | Apr 2025 |
| 10296 | Felty Production, Inc. | Burkburnett, TX 76354 | Oil Operator | Apr 2025 |
| 10297 | Felty, F. T. Operating Company | Burkburnett, TX 76354 | Oil & Gas Operator | Jul 2018 |
| 10298 | Femco Services Inc | Lindsay, OK 73052-0632 | Oil & Gas Operator | Nov 2006 |
| 10299 | Femco SWD Inc | Enid, OK 73702-3907 | Oil Operator | Mar 2014 |
| 10300 | Fender Expl & Prod Co., L.L.C. | Tyler, TX 75710 | Oil & Gas Operator | Sep 2004 |