| 6701 | FSVU | LLC NADEZHDA | | RUS | BIC |
| 6702 | FSVU | FREDERICA SKURVOGNE A/S | | | SCAC4 |
| 6703 | FSVY | FREIGHT SERVICES COMPANY | | | SCAC4 |
| 6704 | FSW | Faso Airways SARL | IATA: F3, Callsign: Faso, Established in 2000. Ceased operations. | BF | AVCODES |
| 6705 | FSW | Faso Airways | IATA: F3 | | ICAO1 |
| 6706 | FSW | Fort Smith & Western R.R. | 4/1938-7/1954 | | NAKINA |
| 6707 | FSW | Fort Smith & Western R.R. | 4/38-1/52 | | NRHS |
| 6708 | FSW | FT. SMITH & WESTERN RAILROAD | | | PWRC |
| 6709 | FSWA | FASWAY CORP | | | SCAC3 |
| 6710 | FSWI | FAIRN & SWANSON INC | | | SCAC3 |
| 6711 | FSWI | FAIRN & SWANSON INC | | | SCAC4 |
| 6712 | FSWL | FASTWAY LEASING INC | | | SCAC3 |
| 6713 | FSWL | FIVE EIGHT EIGHT FIVE TWO FIVE (588 | | | SCAC4 |
| 6714 | FSWX | Flamingo Water Co. | 1/1952; eliminated 1/1953 | | NAKINA |
| 6715 | FSWX | Flamingo Spring Water Co. | 1/1941-1/1950 | | NAKINA |
| 6716 | FSWX | Flamingo Spring Water Co., Inc. | 7/1937-4/1938 | | NAKINA |
| 6717 | FSWX | Flamingo Spring Water Co. | 7/1935 | | NAKINA |
| 6718 | FSWX | Flamingo Spring Water Co. | Apr-38 | | NRHS |
| 6719 | FSWX | Flamingo Water Co. | 1/52; eliminated 1/53 | | NRHS |
| 6720 | FSWX | FLAMINGO WATER CO. [FLAMINGO SPRING WATER CO., INC.] | | | PWRC |
| 6721 | FSWY | FASTWAY TERMINALS INC | | | SCAC3 |
| 6722 | FSWY | FASTWAY TERMINALS INC | | | SCAC4 |
| 6723 | FSX | Flagship Express Services, Inc. | Callsign: Flag, | USA | AVCODES |
| 6724 | FSX | Flagship Express Services | | | ICAO1 |
| 6725 | FSX | National Car Co. | 1/1952-7/1954; eliminated 1/1956 | | NAKINA |
| 6726 | FSX | National Car Co. | Jan-52 | | NRHS |
| 6727 | FSX | NATIONAL CAR CO. | | | PWRC |
| 6728 | FSXA | FIVE STAR TRANSPORTATION AMERICA LL | | | SCAC4 |
| 6729 | FSXB | FOUR (4) S EXPRESS | | | SCAC4 |
| 6730 | FSXC | FOUR STAR EXPRESS INC | | | SCAC4 |
| 6731 | FSXH | FOSTER TRANSPORT INC | | | SCAC4 |
| 6732 | FSXI | FAST STAR EXPRESS INC | | | SCAC4 |
| 6733 | FSXL | FSX LLC | | | SCAC4 |
| 6734 | FSXN | FASTEX TRANSPORT | | | SCAC4 |
| 6735 | FSXO | FOSS TRANSPORTATION | | | SCAC4 |
| 6736 | FSXP | FAST EXPRESS INC | | | SCAC3 |
| 6737 | FSXR | FAST EXPRESS | | | SCAC3 |
| 6738 | FSXR | FST TRANSPORT | | | SCAC4 |
| 6739 | FSXS | FIRST EXPRESS | | | SCAC3 |
| 6740 | FSXY | FORTRESS TRANSPORTATION INC | | | SCAC4 |
| 6741 | FSY | Fassey Aviation Ltd. | Callsign: Fassey, | WAN | AVCODES |
| 6742 | FSY | Algonquin Airlink Inc. | Callsign: Frosty, Name changed to Privateair Inc. | CDN | AVCODES |
| 6743 | FSY | Privateair Inc. | Callsign: Frosty, Name changed from Algonquin Airlink Inc. | CDN | AVCODES |
| 6744 | FSYD | FORSYTH, D LTD | | | SCAC4 |
| 6745 | FSYI | FREIGHT SYSTEMS (INDIA) PVT LTD | | | SCAC4 |
| 6746 | FSYL | FREIGHT SYSTEMS, LTD | | | SCAC3 |
| 6747 | FSYL | FORSYTH TRANSPORT INC | | | SCAC4 |
| 6748 | FSYM | FREIGHT SYSTEMS INTL INC | | | SCAC4 |
| 6749 | FSYT | FREIGHT SYSTEMS INC | | | SCAC4 |
| 6750 | FSZC | FIVE STAR SPECIALIZED CARRIERS INC | | | SCAC4 |
| 6751 | FSZU | FUJIFILM ELECTRONIC MATERIALS (SUZHOU) CO.LTD | | PRC | BIC |
| 6752 | FT | Farnair Switzerland AG | ICAO: FAT, Callsign: Farner, IATA Prefix: 552, Designator FT recalled by IATA. Formerly Farner Air Transport AG | CH | AVCODES |
| 6753 | FT | Siem Reap Airways International | ICAO: SRH, Callsign: Siemreap Air, IATA Prefix: 084, Ceased operations on 01 December 2008. | K | AVCODES |
| 6754 | FT | Flying Tiger Line, Inc., The | ICAO: FTL, Callsign: Tiger, Merged into Federal Express | USA | AVCODES |
| 6755 | FT | flyegypt | ICAO: FEG, | ET | AVCODES |
| 6756 | FT | Falköpings Terminal AB | 1996 - 2004 | S | svenska-lok.se |
| 6757 | FT | Ferrotramviaria (Ferrovia Bari Nord Bari-Barletta) | City: Bari | I | TRAFFIC |
| 6758 | FT | Ferrotramviaria | | IT | VKM |
| 6759 | FTA | Frontier Flying Service, Inc. | IATA: 2F, Callsign: Frontier-Air, IATA Prefix: 517, Established in 1950. Rebranded as Ravn Connect during 2014. | USA | AVCODES |
| 6760 | FTA | Frontier Flying Service, Inc. Branded as Ravn Connect | IATA: 2F, Callsign: Frontier-Air, IATA Prefix: 517, Filed for Chapter 11 Bankruptcy, temporarily ceased all operations on 05 April 2020. Established in 1950. | USA | AVCODES |
| 6761 | FTA | Frontier Flying Service | IATA: 2F | | ICAO1 |
| 6762 | FTA | Ferrovia Transatesina | | I | TRAFFIC |
| 6763 | FTAB | FOUR TWO ONE TWO ZERO FIVE (421205) | | | SCAC4 |
| 6764 | FTAC | FRONTIER TRANSPORT CORP | | | SCAC3 |
| 6765 | FTAC | FRONTIER TRANSPORT CORP | | | SCAC4 |
| 6766 | FTAD | FALCON TOWING AND AUTO DELIVERY INC | | | SCAC3 |
| 6767 | FTAD | FLEETEX TRANSPORT LTD | | | SCAC4 |
| 6768 | FTAE | FERGUSON TRANSPORTATION SERVICES IN | | | SCAC4 |
| 6769 | FTAF | FLOWERS TRANSPORTATION INC | | | SCAC3 |
| 6770 | FTAF | FLETES AF TORRES | | | SCAC4 |
| 6771 | FTAG | FAC FOOD SERVICE LOGISTICS INC (FIR | | | SCAC4 |
| 6772 | FTAI | FUEL TRANSPORT INC | | | SCAC4 |
| 6773 | FTAK | FIRETAK MANUFACTURING LTD | | | SCAC4 |
| 6774 | FTAL | FELDER A L TRUCKING INC | | | SCAC4 |
| 6775 | FTAM | FITA MARITIME COMPANY | | | SCAC3 |
| 6776 | FTAN | FORT ANN EXPRESS | | | SCAC3 |
| 6777 | FTAO | FRANCO TRUCKING & ASSOCIATES | | | SCAC3 |
| 6778 | FTAP | FAST TRANSPORTATION | | | SCAC3 |
| 6779 | FTAP | FEVISA LOGISTICA SA DE CV | | | SCAC4 |
| 6780 | FTAR | Fels?tárkány | Real: FAEV | H | TRAFFIC |
| 6781 | FTAS | FASTRANS, INC | | | SCAC3 |
| 6782 | FTAS | FASTRANS LOGISTICS INC | | | SCAC4 |
| 6783 | FTAT | FRONTIER TRANSPORTATION INC | | | SCAC4 |
| 6784 | FTAU | FLORENS ASSET MANAGEMENT COMPANY LIMITED | | HK | BIC |
| 6785 | FTAY | FIDANQUE TRAVEL AGENCY | | | SCAC3 |
| 6786 | FTBA | FUERST TRANSPORT | | | SCAC4 |
| 6787 | FTBB | FRIENDLY TRANSPORTATION LLC | | | SCAC4 |
| 6788 | FTBF | FLEX TRUCKING CO LLC | | | SCAC4 |
| 6789 | FTBG | FLATLAND TRANSPORTATION INC | | | SCAC4 |
| 6790 | FTBH | FRANKLIN TRUCK LINES | | | SCAC4 |
| 6791 | FTBI | FLATBEDS INC | | | SCAC3 |
| 6792 | FTBI | FREGOZO, L E TRUCKING | | | SCAC4 |
| 6793 | FTBL | FLEURY TRANSPORT | | | SCAC4 |
| 6794 | FTBM | FOREMOST TRANSPORTATION SERVICES IN | | | SCAC4 |
| 6795 | FTBN | FANNIN TRUCKING | | | SCAC4 |
| 6796 | FTBQ | FUSION TRANSPORTATION LLC | | | SCAC4 |
| 6797 | FTBR | FAIRWAY TRUCK BROKERS INC | | | SCAC3 |
| 6798 | FTBS | FIDELITY TRUCK BROKERS INC | | | SCAC3 |
| 6799 | FTBT | FORTENBERRY TRANSPORTS INC | | | SCAC3 |
| 6800 | FTBW | FISH TRANSPORTATION LLC | | | SCAC4 |
