| 1101 | FCOG | FARNHAM CONTRACTING | | | SCAC4 |
| 1102 | FCOM | FEDCOM | | | SCAC3 |
| 1103 | FCOM | FEDNAV INTERNATIONAL LTD | | | SCAC4 |
| 1104 | FCON | FIRST CONCRETE LTD | | | SCAC4 |
| 1105 | FCOO | FARMERS CO-OP OIL COMPANY INC | | | SCAC4 |
| 1106 | FCOP | FRONTIER COOPERATIVE HERBS | | | SCAC3 |
| 1107 | FCOP | FEDERATED COOP TRANSPORT | | | SCAC4 |
| 1108 | FCOQ | FEREBEE CORPORATION | | | SCAC4 |
| 1109 | FCOR | FREIGHTCOR CONTRACT SERVICES INC | | | SCAC3 |
| 1110 | FCOT | FRANCO TRANSPORT LLC | | | SCAC4 |
| 1111 | FCOX | FLO CO (superscript: 2) Inc. | 7/2000-7/2005 (not listed) | | NAKINA |
| 1112 | FCOX | FLO CO (superscript: 2) Inc. | Jul-00 | | NRHS |
| 1113 | FCOX | FLO CO2, INC. | | | PWRC |
| 1114 | FCOX | FLO CO2 | | | RSRV |
| 1115 | FCOX | FLO CO2 | | | SCAC4 |
| 1116 | FCOZ | FARMERS CO-OP ELEVATOR | | | PWRC |
| 1117 | FCP | Flight Corporation | Callsign: Flightcorp, | NZ | AVCODES |
| 1118 | FCP | Flight Corporation | | | ICAO1 |
| 1119 | FCP | Ferrocarriles Nacionales de Mexico | 1/1994-7/2000; eliminated 1/2002; 7/2005 | | NAKINA |
| 1120 | FCP | Ferrocarriles Nacionales de Mexico-Region Pacifico (transferred to Ferrocarriles Nacionales de Mexico) | added 10/1988 | | NAKINA |
| 1121 | FCP | Ferrocarriles Nacionales de Mexico-Region Pacifico | added 4/1988; eliminated 10/1988 | | NAKINA |
| 1122 | FCP | Ferrocarril del Pacifico, S.A. de C.V. | 10/1957-10/1966 & 1/1975-1/1980; eliminated 4/1988 | | NAKINA |
| 1123 | FCP | Pacific R.R. (Ferrocarril del Pacifico, S.A. de C.V.) | 7/1954 | | NAKINA |
| 1124 | FCP | Ferrocarril del Pacifico, S.A. de C.V. | 10/57-10/66 & 1/75-1/80; eliminated 4/88 | | NRHS |
| 1125 | FCP | Ferrocarriles Nacionales de Mexico-Region Pacifico | added 4/88; eliminated 10/88 | | NRHS |
| 1126 | FCP | Ferrocarriles Nacionales de Mexico-Region Pacifico (transferred to Ferrocarriles Nacionales de Mexico) | added 10/88 | | NRHS |
| 1127 | FCP | Ferrocarriles Nacionales de Mexico | 1/94-7/2000 | | NRHS |
| 1128 | FCP | FERROCARRILES NACIONALES DE MEXICO [FERROCARRIL DEL PACIFICO] | | | PWRC |
| 1129 | FCP | Ferrocarril del Pacifico | | | RSRV |
| 1130 | FCP | Ferrocarril del Pacifico, S.A. de C.V. | | MEX | TRAFFIC |
| 1131 | FCPA | FRONT CAPITAL LOGISTICS | | | SCAC4 |
| 1132 | FCPD | FREIGHT CONNECTIONS PTY LTD | | | SCAC4 |
| 1133 | FCPI | FRICTION PLUS INC | | | SCAC4 |
| 1134 | FCPN | FIRST COAST PALLET INC | | | SCAC4 |
| 1135 | FCPZ | FERROCARRILES NACIONALES DE MEXICO | | | PWRC |
| 1136 | FCPZ | National Railways of Mexico (Ferrocarriles Nacionales) | | | RSRV |
| 1137 | FCQB | FIRST COAST LOGISTICS OF BIRMINGHAM | | | SCAC4 |
| 1138 | FCQC | FIRST COAST LOGISTICS OF CHARLESTON | | | SCAC4 |
| 1139 | FCQG | FIRST COAST LOGISTICS OF GREENWOOD | | | SCAC4 |
| 1140 | FCQI | FIRST CHOICE LOGISTICS INC | | | SCAC4 |
| 1141 | FCQJ | FIRST COAST LOGISTICS OF | | | SCAC4 |
| 1142 | FCQL | FIRST COAST LOGISTICS OF LOUISIANA | | | SCAC4 |
| 1143 | FCQN | FIRST COAST LOGISTICS OF NORTH CARO | | | SCAC4 |
| 1144 | FCQS | FIRST COAST LOGISTICS OF SOUTH FLOR | | | SCAC4 |
| 1145 | FCQT | FIRST CHOICE LOGISTICS LLC | | | SCAC4 |
| 1146 | FCQV | FIRST COAST LOGISTICS OF VIRGINIA I | | | SCAC4 |
| 1147 | FCR | Flying Carpet Air Transport & Services sal | IATA: F8, Callsign: Flying Carpet, IATA designator changed to 7Y* | RL | AVCODES |
| 1148 | FCR | Flying Carpet Air Transport & Services sal | IATA: 7Y, Callsign: Flying Carpet, Name changed to Med Airways. IATA designator changed from F8* | RL | AVCODES |
| 1149 | FCR | Flying Carpet Company | | | ICAO1 |
| 1150 | FCR | Fulton County Ry. LLC | 7/2005 | | NAKINA |
| 1151 | FCR | *FALLS CREEK RAILROAD CO. | | | PWRC |
| 1152 | FCR | +FULTON COUNTY RWY., LLC | | | PWRC |
| 1153 | FCR | Fulton County Railway | | | RSRV |
| 1154 | FCR | FULTON COUNTY RAILWAY LLC | | | SCAC4 |
| 1155 | FCRD | First Coast R.R., Inc. | 7/2005; added 1/2006 | | NAKINA |
| 1156 | FCRD | FIRST COAST RAILROAD, INC. | | | PWRC |
| 1157 | FCRD | First Coast Railroad | | | RSRV |
| 1158 | FCRD | FIRST COAST RAILROAD INC | | | SCAC4 |
| 1159 | FCRG | FARGO CARGO LLC | | | SCAC4 |
| 1160 | FCRI | FALCON CARRIERS, INC. | | | SCAC3 |
| 1161 | FCRI | FIRST COAST RELOCATIONS INC | | | SCAC4 |
| 1162 | FCRK | Falls Creek R.R. Co. | added 1/1984; eliminated 4/1989 | | NAKINA |
| 1163 | FCRK | Falls Creek R.R. Co. | eliminated 4/89 | | NRHS |
| 1164 | FCRK | FALLS CREEK RAILROAD CO. | | | PWRC |
| 1165 | FCRK | Falls Creek Railroad | | | RSRV |
| 1166 | FCRL | FLEET-CAR LEASE INC | | | SCAC3 |
| 1167 | FCRL | FLEET-CAR LEASE INC | | | SCAC4 |
| 1168 | FCRN | FIRST CLASS RENTALS INC | | | SCAC3 |
| 1169 | FCRP | FIRST CHOICE RPM INCORPORATED (1ST | | | SCAC3 |
| 1170 | FCRP | FOREST CITY FIRE PROTECTION LTD | | | SCAC4 |
| 1171 | FCRQ | F C R TRUCKING | | | SCAC3 |
| 1172 | FCRR | FEDERAL CARRIERS INC | | | SCAC3 |
| 1173 | FCRU | FINNLINES PLC | | FIN | BIC |
| 1174 | FCRU | FINNCARRIERS A B, OY | | | SCAC3 |
| 1175 | FCRU | FINNLINES PLC | | | SCAC4 |
| 1176 | FCRX | Franklin Creek Refining Corp. | 7/1930-4/1947 | | NAKINA |
| 1177 | FCRX | Franklin Creek Refining Corp. | Apr-38 | | NRHS |
| 1178 | FCRX | FRANKLIN CREEK REFINING CORP. | | | PWRC |
| 1179 | FCS | Facts Air, S.A. de C.V. | Callsign: Mexfacts, | MEX | AVCODES |
| 1180 | FCS | Nedgistic Express Services & Aviation N.V. | Callsign: Nesa, | ARU | AVCODES |
| 1181 | FCS | Facts Air | | | ICAO1 |
| 1182 | FCSA | FIRST CLASS SHIPPING | | | SCAC4 |
| 1183 | FCSC | FRISCH CONTRACTING SERVICE CO INC | | | SCAC3 |
| 1184 | FCSF | FREIGHT CONTRACTING SERVICES LLC | | | SCAC4 |
| 1185 | FCSH | FALCON SHIPPING LTD | | | SCAC3 |
| 1186 | FCSI | FIRST CLASS SERVICES INC | | | SCAC3 |
| 1187 | FCSI | FIRST CLASS SERVICES INC | | | SCAC4 |
| 1188 | FCSJ | FREIGHT & CARGO SOLUTIONS LLC | | | SCAC4 |
| 1189 | FCSK | FOCUS TRUCKING INC | | | SCAC4 |
| 1190 | FCSL | FREEDOM C SHIPPING LTD | | | SCAC3 |
| 1191 | FCSN | FAIRWAY CARGO SVC INC | | | SCAC4 |
| 1192 | FCSP | FAST ATLANTIC SERVICE TRANSPORT INC | | | SCAC3 |
| 1193 | FCSQ | FIRST (1ST) CALL SERVICES LLC | | | SCAC4 |
| 1194 | FCSR | FORMERICA CONSOLIDATION SERVICE NY | | | SCAC3 |
| 1195 | FCSR | FOUR (4) C'S TRANSPORTATION | | | SCAC4 |
| 1196 | FCSR | Ferrocarrille San Roca | Real: FR | RA | TRAFFIC |
| 1197 | FCST | FOUR C'S TRANSPORTATION INC | | | SCAC3 |
| 1198 | FCSU | FINN CONTAINER CARGO SERVICES | | | SCAC3 |
| 1199 | FCSU | FINN CONTAINER CARGO SERVICES | | | SCAC4 |
| 1200 | FCSX | Florida Crushed Stone Co. | added 7/1984; 1/1994-7/2005 | | NAKINA |
