| 1 | FHRI | FENTON HEREFORD RANCH INC | | | SCAC4 |
| 2 | FHRK | FEHR TRUCKING LLC | | | SCAC4 |
| 3 | FHRL | FISCHER, LEOS | | | SCAC4 |
| 4 | FHRQ | FORT HAULAGE AND RENTAL CO | | | SCAC3 |
| 5 | FHRR | Ferdinand & Huntingburg R.R. Co. | added 4/1988; eliminated 10/1991; 1/1994 | | NAKINA |
| 6 | FHRR | Ferdinand & Huntingburg R.R. Co. | added 4/88; eliminated 10/91; 1/94 | | NRHS |
| 7 | FHRR | RETIRED 04-07-92 (834) ATP [FERDINAND & HUNTINGBURG RAILROAD CO.] | | | PWRC |
| 8 | FHRT | FINCH, R G TRUCKING | | | SCAC3 |
| 9 | FHRX | First Hills Resources LP | added 7/2005; 7/2005 | | NAKINA |
| 10 | FHRX | FLINT HILLS RESOURCES, LP | | | PWRC |
| 11 | FHRX | FLINT HILLS RESOURCES LP | | | SCAC4 |
