| 1 | FR | Flight Refuelling Ltd. | Callsign: Tankair, | GB | AVCODES |
| 2 | FR | Ryanair Ltd. | ICAO: RYR, Callsign: Ryanair, IATA Prefix: 224, | IRL | AVCODES |
| 3 | FR | FRAM | | NL | TRAFFIC |
| 4 | FR | Fragonset Railways | | UK | VKM |
| 5 | FR&N | Flint River & Northeastern R.R. (Co.) | 7/1923-7/1954 | | NAKINA |
| 6 | FR&N | Flint River & Northeastern R.R. | 4/38-1/52 | | NRHS |
| 7 | FR&N | FLINT RIVER & NORTHEASTERN RAILROAD CO. | | | PWRC |
| 8 | FRA | FR Aviation Ltd. | Callsign: Rushton, Name changed to Cobham Aviation Services. ICAO designator changed from FLR | GB | AVCODES |
| 9 | FRA | Cobham Aviation Services | Callsign: Rushton, Name changed from FR Aviation Ltd. ICAO designator changed from FLR | GB | AVCODES |
| 10 | FRA | FR Aviation | | | ICAO1 |
| 11 | FRA | *FEDERAL RAILROAD ADMINISTRATION | | | PWRC |
| 12 | FRA | *FRONT RANGE AIRPORT LIMO SERVICE | | | PWRC |
| 13 | FRAB | FRANKLIN, BOBBY | | | SCAC3 |
| 14 | FRAB | FERNANDEZ RACING LLC | | | SCAC4 |
| 15 | FRAD | FRANZEN ENTERPRISES | | | SCAC3 |
| 16 | FRAF | FRIEND LOGISTICS LLC | | | SCAC4 |
| 17 | FRAG | FRANCO, RICHARD AGENCY | | | SCAC3 |
| 18 | FRAH | FRISKNEY AND HARDING TRUCKING INC | | | SCAC3 |
| 19 | FRAI | FRATE SERVICE INC | | | SCAC3 |
| 20 | FRAI | | Real: Freight Rail | AUS | TRAFFIC |
| 21 | FRAJ | FRANCIS TRUCK LINE INC | | | SCAC3 |
| 22 | FRAJ | FRY, CRAIG | | | SCAC4 |
| 23 | FRAK | FRANKS TRUCKING | | | SCAC3 |
| 24 | FRAK | FREIGHT-RITE AMERICA INC | | | SCAC4 |
| 25 | FRAM | FLOTA AMAZONICA S.A. | | | SCAC3 |
| 26 | FRAM | FERMES RICHARD INC | | | SCAC4 |
| 27 | FRAN | FRANK DELIVERY SERVICE INC | | | SCAC3 |
| 28 | FRAN | FRANEY, TOM TRUCKING INC | | | SCAC4 |
| 29 | FRANK | Gebr. Frank GmbH | | DE | VKM |
| 30 | FRAO | FRATECO | | | SCAC3 |
| 31 | FRAP | F R EIGHT (8) TRANSPORT LLC | | | SCAC4 |
| 32 | FRAPORT | Airport Frankfurt am Main | | D | TRAFFIC |
| 33 | FRAQ | FRAZZATO, FELIX | | | SCAC3 |
| 34 | FRAR | FARRAR TRANSFER COMPANY, INC | | | SCAC3 |
| 35 | FRAR | FRARE TRUCKING | | | SCAC4 |
| 36 | FRAS | FRASIER TRANSPORT INC | | | SCAC4 |
| 37 | FRAS | Frasca | | F | TRAFFIC |
| 38 | FRAT | FRATE INC | | | SCAC4 |
| 39 | FRAU | CONTAINER OPERATORS SA | | | SCAC4 |
| 40 | FRAV | FREY, ALVIN D INC | | | SCAC3 |
| 41 | FRAV | FRACHTCONTOR JUNGE B V/ ROTTERDAM | | | SCAC4 |
| 42 | FRAY | FAR AWAY PLACES WORLD TRAVEL | | | SCAC3 |
| 43 | FRB | Fly RAK | Callsign: Rakway, | UAE | AVCODES |
| 44 | FRBC | FRAWLEY BUREAU OF INVESTIGATION COR | | | SCAC3 |
| 45 | FRBD | FIREBIRD TRANSPORTATION SYSTEMS INC | | | SCAC3 |
| 46 | FRBG | FOUR BEARS MESSENGER SERVICE | | | SCAC3 |
| 47 | FRBH | FRANS BASKET HOUSE INC | | | SCAC3 |
| 48 | FRBH | FRONTIER GEOSCIENCES INC | | | SCAC4 |
| 49 | FRBI | FREE BUILDERS SUPPLY INC | | | SCAC3 |
| 50 | FRBJ | FORBES, J ASSOCIATES INC | | | SCAC3 |
| 51 | FRBJ | FORTNER, B J HARDWOODS INC | | | SCAC4 |
| 52 | FRBK | FREIGHT BROKERS INTERNATIONAL INC | | | SCAC3 |
| 53 | FRBL | FARLEY BROTHERS OF LANCASTER | | | SCAC3 |
| 54 | FRBL | FARLEY BROTHERS OF LANCASTER | | | SCAC4 |
| 55 | FRBN | FINNROBIN SHIPPING INC. | | | SCAC3 |
| 56 | FRBN | FREIGHTONTIME | | | SCAC4 |
| 57 | FRBO | FROCK BROS TRUCKING INC (A PENNSYLV | | | SCAC3 |
| 58 | FRBP | FIREBIRD TRANSPORTATION INC | | | SCAC4 |
| 59 | FRBR | FREEBIRD TRUCKING INC | | | SCAC3 |
| 60 | FRBR | FISHER TRANSPORTATION CORP | | | SCAC4 |
| 61 | FRBS | FORBES REFRIGERATED TRANSPORT INC | | | SCAC3 |
| 62 | FRBW | FERBER TRUCKING | | | SCAC3 |
| 63 | FRBX | Reverend Walter J. Bean | 7/2005 (not listed) | | NAKINA |
| 64 | FRBX | REV. WALTER J. BEAN | | | PWRC |
| 65 | FRBX | REVEREND WALTER J BENN | | | SCAC4 |
| 66 | FRBY | FAS RELOCATION NETWORK | | | SCAC4 |
| 67 | FRC | Icare Franche Comte | Callsign: Franche Comte, | F | AVCODES |
| 68 | FRC | Icare Franche Compte | | | ICAO1 |
| 69 | FRC | FreightCorp | | AUS | TRAFFIC |
| 70 | FRCA | FENTON RIGGING COMPANY, THE | | | SCAC3 |
| 71 | FRCB | FRANCRETE CORPORATION | | | SCAC3 |
| 72 | FRCB | FRONTERA CUSTOMS BROKER | | | SCAC4 |
| 73 | FRCC | FRONTIER COOP CO | | | SCAC4 |
| 74 | FRCD | FREIGHTCENTER INC | | | SCAC4 |
| 75 | FRCE | FRISCO EQUIPMENT CO | | | SCAC3 |
| 76 | FRCF | FRANKS, CLIFTON TRUCKING INC | | | SCAC3 |
| 77 | FRCG | FRISCOS CARTAGE INC | | | SCAC3 |
| 78 | FRCI | FREMONT CONTRACT CARRIERS INC | | | SCAC3 |
| 79 | FRCI | FREMONT CONTRACT CARRIERS INC | | | SCAC4 |
| 80 | FRCJ | FAR CARTAGE INC | | | SCAC3 |
| 81 | FRCK | FRICK TRANSFER, INC | | | SCAC3 |
| 82 | FRCK | FRICK TRANSFER, INC | | | SCAC4 |
| 83 | FRCL | FREY TRUCKING INC | | | SCAC3 |
| 84 | FRCL | FRALEY, CLARENCE INC | | | SCAC4 |
| 85 | FRCM | FRATICELLI OIL CO INC | | | SCAC4 |
| 86 | FRCO | FRANKS TRUCKING CORP | | | SCAC3 |
| 87 | FRCO | FROCO S DE R L DE C V | | | SCAC4 |
| 88 | FRCP | FARM COMPOST SUPPLY COMPANY | | | SCAC3 |
| 89 | FRCQ | FREIGHT CONSOLIDATION SERVICES INC | | | SCAC3 |
| 90 | FRCQ | FREIGHT CONSOLIDATION SERVICES INC | | | SCAC4 |
| 91 | FRCT | FRIEDERICH CONST & TRUCKING CO | | | SCAC3 |
| 92 | FRCU | GCATAINER BV | | NL | BIC |
| 93 | FRCU | FRC FINANCEMENT & RELOCATION CON- | | | SCAC3 |
| 94 | FRCU | GCTAINER BV | | | SCAC4 |
| 95 | FRCV | FREDRICKSON STORAGE & VAN CO | | | SCAC3 |
| 96 | FRCV | FABIAN OIL INC | | | SCAC4 |
| 97 | FRCX | Continental Tank Car Corp. | added 7/1981; eliminated 4/1987; 1/1994 (not listed) | | NAKINA |
| 98 | FRCX | Federal Rail Car Corp. | added 10/1976; 1/1980; eliminated 7/1981 | | NAKINA |
| 99 | FRCX | Falling Rock Cannel Coal Co. | 8/1920-1/1941 | | NAKINA |
| 100 | FRCX | Falling Rock Cannel Coal Co. | Apr-38 | | NRHS |
