| 7201 | FTT | Flight Track Training GmbH | Callsign: Flight Training, | A | AVCODES |
| 7202 | FTTA | FATTOR TRANSPORTATION COMPANY | | | SCAC3 |
| 7203 | FTTB | FAS-TRIP TRANSPORT INC | | | SCAC4 |
| 7204 | FTTC | FULLER, TIM TRUCKING INC | | | SCAC4 |
| 7205 | FTTD | FIRST TEAM TRANSPORT GROUP LTD | | | SCAC3 |
| 7206 | FTTD | FOWLER TRUCKING & TRADING INC | | | SCAC4 |
| 7207 | FTTE | FOOTHILL TRUCK & EQUIPMENT LEASING | | | SCAC3 |
| 7208 | FTTF | FAST TRACK TRANSPORTATION CORP | | | SCAC4 |
| 7209 | FTTG | FREITAS TRUCKING | | | SCAC3 |
| 7210 | FTTG | FRONTLINE TRANSPORTATION GROUP INC | | | SCAC4 |
| 7211 | FTTH | F & T TRANSPORT LLC | | | SCAC4 |
| 7212 | FTTI | FREIGHT TRAIN TRUCKING, INC | | | SCAC3 |
| 7213 | FTTI | FREIGHT TRAIN TRUCKING INC | | | SCAC4 |
| 7214 | FTTL | FREETRADE TRANSPORTATION LTD | | | SCAC3 |
| 7215 | FTTL | FRONTIER TRANSPORT NA LP | | | SCAC4 |
| 7216 | FTTN | F & T TRUCKING COMPANY INC | | | SCAC3 |
| 7217 | FTTN | F & T TRUCKING COMPANY INC | | | SCAC4 |
| 7218 | FTTO | FERMANICH, T & T OIL CO INC | | | SCAC3 |
| 7219 | FTTP | FRAZIER-LETT ENTERPRISES INC | | | SCAC3 |
| 7220 | FTTQ | FORT TRANSFER CO | | | SCAC3 |
| 7221 | FTTQ | FORT TRANSFER CO | | | SCAC4 |
| 7222 | FTTR | FIRST TRANSPORT INC | | | SCAC3 |
| 7223 | FTTS | FETTES SHIPPING INC | | | SCAC4 |
| 7224 | FTTT | FRONTIER TRANSPORTATION INC | | | SCAC3 |
| 7225 | FTTT | FLYING T & T TRUCKING INC | | | SCAC4 |
| 7226 | FTTU | FISCHINGER GMBH TANKSPEDITION + LOG | | D | BIC |
| 7227 | FTTU | FISCHINGER GMBH CO KG | | | SCAC4 |
| 7228 | FTTW | FIVE THREE THREE TWO TWO THREE ONE | | | SCAC4 |
| 7229 | FTTX | TTX Co. | added 1/1992; 1/1994-7/2005 | | NAKINA |
| 7230 | FTTX | Trailer Train Co. | added 10/1964; 7/1965-1/1980; eliminated 1/1992 | | NAKINA |
| 7231 | FTTX | Trailer Train Co. | added 10/1964 | | NAKINA |
| 7232 | FTTX | Trailer Train Co. (FMS flat cars specially equipped to provide for loading of automobile frames) | 7/1965-10/1968 | | NAKINA |
| 7233 | FTTX | Trailer Train Co./TTX Co. (flat cars equipped with tie-down devices for loading automobile or truck frames) | 4/1970-1/1994 | | NAKINA |
| 7234 | FTTX | TTX Co. (flat cars equipped with tie-down devices for loading automobile or truck frames, equipped with end of car cush.) | 7/2000 | | NAKINA |
| 7235 | FTTX | Trailer Train Co. | Jul-65 | | NRHS |
| 7236 | FTTX | Trailer Train Co. (FMS flat cars specially equipped to provide for loading of automobile frames) | 10/66-10/68 | | NRHS |
| 7237 | FTTX | Trailer Train Co. | Apr-70 | | NRHS |
| 7238 | FTTX | Trailer Train Co. (flat cars equipped with tie-down devices for loading automobile or truck frames) | 1/75-1/80; eliminated 1/92 | | NRHS |
| 7239 | FTTX | TTX Co. (flat cars equipped with tie-down devices for loading automobile or truck frames) | added 1/92; 1/94 | | NRHS |
| 7240 | FTTX | TTX Co. (flat cars equipped with tie-down devices for loading automobile or truck frames, equipped with end of car cush.) | Jul-00 | | NRHS |
| 7241 | FTTX | TTX COMPANY | | | PWRC |
| 7242 | FTTX | Trailer Train (TTX Corporation) | | | RSRV |
| 7243 | FTTX | TTX COMPANY | | | SCAC4 |
| 7244 | FTU | China Civil Aviation Flight University | Callsign: Flight University, | PRC | AVCODES |
| 7245 | FTUA | FASTRAX TRANSPORTATION USA | | | SCAC4 |
| 7246 | FTUC | FERN TRUCKING CO | | | SCAC3 |
| 7247 | FTUE | FORTUNE ENTERPRISES INC | | | SCAC3 |
| 7248 | FTUG | FLI TRUCKING INC | | | SCAC4 |
| 7249 | FTUL | FLATT, TRUMAN L & SONS CO INC | | | SCAC3 |
| 7250 | FTUL | FREEDOM TRANS USA LLC | | | SCAC4 |
| 7251 | FTUN | FORTUNE MARINE S A | | | SCAC3 |
| 7252 | FTUP | FORTUNATUS TRANSPORT INC | | | SCAC4 |
| 7253 | FTUR | FUTURE COMPANIES CORP | | | SCAC4 |
| 7254 | FTUT | FUTURE TRANSFER CO INC | | | SCAC4 |
| 7255 | FTUU | «40 FT COMPANY» LLC | | RUS | BIC |
| 7256 | FTV | Ferrovie Tramvie Vicentine | | I | TRAFFIC |
| 7257 | FTVA | FLEET TRANSPORT-VA INC | | | SCAC3 |
| 7258 | FTVD | FAST TRACK DELIVERIES INC | | | SCAC4 |
| 7259 | FTVI | FELLER TRUCKING SERVICES INC | | | SCAC4 |
| 7260 | FTVT | FESTIVE TOURS | | | SCAC3 |
| 7261 | FTW | Fort Worth Airlines, Inc. | Callsign: Fort Worth Air, | USA | AVCODES |
| 7262 | FTWA | FIVE TWO SEVEN SEVEN EIGHT NINE | | | SCAC4 |
| 7263 | FTWC | FRIENDS TOWING SERVICE INC | | | SCAC4 |
| 7264 | FTWD | FLEETWOOD TRANSPORTATION SERVICES I | | | SCAC4 |
| 7265 | FTWE | FOUR TOWERS TRANSPORTATION INC | | | SCAC4 |
| 7266 | FTWG | FTW LOGISTICS LLC | | | SCAC4 |
| 7267 | FTWI | FAIR TOWING INC | | | SCAC3 |
| 7268 | FTWI | FAB TECH WELDING INC | | | SCAC4 |
| 7269 | FTWL | FOUR TOWERS LOGISTICS | | | SCAC4 |
| 7270 | FTWO | FAIRFAX TRANSFER & WAREHOUSE CO | | | SCAC3 |
| 7271 | FTWQ | FINKSBURG TOWING INC | | | SCAC4 |
| 7272 | FTWR | FAST-WAY TRANSPORTATION CO | | | SCAC3 |
| 7273 | FTWS | FALCON 11 SEA TRANSPORT, INC | | | SCAC3 |
| 7274 | FTWS | FENETRE UNIQUE WINDOWS INC | | | SCAC4 |
| 7275 | FTWT | FORT WALTON TRANSFER & STORAGE CO | | | SCAC3 |
| 7276 | FTWT | FTW TRANSPORT LLC | | | SCAC4 |
| 7277 | FTWV | FTW ENTERPRISES INC | | | SCAC4 |
| 7278 | FTWY | FREIGHTWAY SERVICES | | | SCAC4 |
| 7279 | FTX | General American Transportation Corp. | added 4/1955; eliminated 7/1955 | | NAKINA |
| 7280 | FTX | Frontier Tank Car Co. | 1/1952-7/1954; eliminated 4/1955 | | NAKINA |
| 7281 | FTX | Federal Tank Line | 8/1920-7/1923 | | NAKINA |
| 7282 | FTX | Frontier Tank Car Co. | 1/52; eliminated 4/55 | | NRHS |
| 7283 | FTX | General American Transportation Corp. | added 4/55; eliminated 7/55 | | NRHS |
| 7284 | FTX | *FEDERAL TANK LINE | | | PWRC |
| 7285 | FTX | *GENERAL AMERICAN TRANSPORTATION CORP. [FRONTIER TANK CAR CO.] | | | PWRC |
| 7286 | FTXA | FALCO TEXOMA LLC | | | SCAC4 |
| 7287 | FTXB | FAB TRANSPORTATION INC | | | SCAC4 |
| 7288 | FTXC | FELTS TRANSPORT LLC | | | SCAC4 |
| 7289 | FTXD | FORST TRANSFER INC | | | SCAC4 |
| 7290 | FTXE | FORTONS EXPRESS INC | | | SCAC4 |
| 7291 | FTXG | FRONTIER TRANSPORT LOGISTICS | | | SCAC4 |
| 7292 | FTXH | FLEET TRANSPORTATION | | | SCAC4 |
| 7293 | FTXI | FLA-TEX INC | | | SCAC3 |
| 7294 | FTXJ | FTX INC | | | SCAC3 |
| 7295 | FTXJ | FOUR T (4T) TRANSPORTATION INC | | | SCAC4 |
| 7296 | FTXK | F & T AUTO TRANSPORT LLC | | | SCAC4 |
| 7297 | FTXL | FURTEX LEASING INC | | | SCAC3 |
| 7298 | FTXM | FATHER TRANSPORT INC, THE | | | SCAC4 |
| 7299 | FTXO | FREDS TOWING AND TRANSPORT INC | | | SCAC4 |
| 7300 | FTXR | FLEET EXPRESS | | | SCAC4 |
