| 1 | FRC | Icare Franche Comte | Callsign: Franche Comte, | F | AVCODES |
| 2 | FRC | Icare Franche Compte | | | ICAO1 |
| 3 | FRC | FreightCorp | | AUS | TRAFFIC |
| 4 | FRCA | FENTON RIGGING COMPANY, THE | | | SCAC3 |
| 5 | FRCB | FRANCRETE CORPORATION | | | SCAC3 |
| 6 | FRCB | FRONTERA CUSTOMS BROKER | | | SCAC4 |
| 7 | FRCC | FRONTIER COOP CO | | | SCAC4 |
| 8 | FRCD | FREIGHTCENTER INC | | | SCAC4 |
| 9 | FRCE | FRISCO EQUIPMENT CO | | | SCAC3 |
| 10 | FRCF | FRANKS, CLIFTON TRUCKING INC | | | SCAC3 |
| 11 | FRCG | FRISCOS CARTAGE INC | | | SCAC3 |
| 12 | FRCI | FREMONT CONTRACT CARRIERS INC | | | SCAC3 |
| 13 | FRCI | FREMONT CONTRACT CARRIERS INC | | | SCAC4 |
| 14 | FRCJ | FAR CARTAGE INC | | | SCAC3 |
| 15 | FRCK | FRICK TRANSFER, INC | | | SCAC3 |
| 16 | FRCK | FRICK TRANSFER, INC | | | SCAC4 |
| 17 | FRCL | FREY TRUCKING INC | | | SCAC3 |
| 18 | FRCL | FRALEY, CLARENCE INC | | | SCAC4 |
| 19 | FRCM | FRATICELLI OIL CO INC | | | SCAC4 |
| 20 | FRCO | FRANKS TRUCKING CORP | | | SCAC3 |
| 21 | FRCO | FROCO S DE R L DE C V | | | SCAC4 |
| 22 | FRCP | FARM COMPOST SUPPLY COMPANY | | | SCAC3 |
| 23 | FRCQ | FREIGHT CONSOLIDATION SERVICES INC | | | SCAC3 |
| 24 | FRCQ | FREIGHT CONSOLIDATION SERVICES INC | | | SCAC4 |
| 25 | FRCT | FRIEDERICH CONST & TRUCKING CO | | | SCAC3 |
| 26 | FRCU | GCATAINER BV | | NL | BIC |
| 27 | FRCU | FRC FINANCEMENT & RELOCATION CON- | | | SCAC3 |
| 28 | FRCU | GCTAINER BV | | | SCAC4 |
| 29 | FRCV | FREDRICKSON STORAGE & VAN CO | | | SCAC3 |
| 30 | FRCV | FABIAN OIL INC | | | SCAC4 |
| 31 | FRCX | Continental Tank Car Corp. | added 7/1981; eliminated 4/1987; 1/1994 (not listed) | | NAKINA |
| 32 | FRCX | Federal Rail Car Corp. | added 10/1976; 1/1980; eliminated 7/1981 | | NAKINA |
| 33 | FRCX | Falling Rock Cannel Coal Co. | 8/1920-1/1941 | | NAKINA |
| 34 | FRCX | Falling Rock Cannel Coal Co. | Apr-38 | | NRHS |
| 35 | FRCX | Federal Rail Car Corp. | 1/80; eliminated 7/81 | | NRHS |
| 36 | FRCX | Continental Tank Car Corp. | added 7/81; eliminated 4/87; 1/94 | | NRHS |
| 37 | FRCX | *FALLING ROCK CANNEL COAL CO. | | | PWRC |
| 38 | FRCX | *CONTINENTAL TANK CAR CORP. [FEDERAL RAIL CAR CORP.] | | | PWRC |
| 39 | FRCY | FRIEDMAN RECYCLING CO | | | SCAC4 |
| 40 | FRCZ | FLORIDA ROCK COMPANY | | | PWRC |
