| 1 | FCX | Falcon Express Cargo Airlines | IATA: FC, Callsign: Falcon Cargo, IATA Prefix: 553, Founded in 1995. Ceased operations in 2012. | UAE | AVCODES |
| 2 | FCX | Fuelane Corp. | 1/1943-10/1957; eliminated 7/1959 | | NAKINA |
| 3 | FCX | Falls City Creamery Co. (American Refrigerator Transit Co.) | 7/1935 | | NAKINA |
| 4 | FCX | The Frohman Chemical Co. | 8/1920-7/1923 | | NAKINA |
| 5 | FCX | Fuelane Corp. | 1/52-10/57; eliminated 7/59 | | NRHS |
| 6 | FCX | *FROHMAN CHEMICAL CO. | | | PWRC |
| 7 | FCX | *FUELANE CORP. | | | PWRC |
| 8 | FCXC | FEL CAM TRANSPORTATION CO | | | SCAC4 |
| 9 | FCXI | F & C TRANSPORT INC | | | SCAC4 |
| 10 | FCXL | FIRST SOURCE TRANSPORT LLC | | | SCAC4 |
| 11 | FCXP | FRANCO EXPRESS | | | SCAC3 |
| 12 | FCXP | FIRST CLASS EXPRESS INC | | | SCAC4 |
| 13 | FCXR | FALCON EXPRESS INC | | | SCAC3 |
| 14 | FCXR | FIRST CLASS XPRESS INC | | | SCAC4 |
| 15 | FCXS | FLOWER CITY EXPRESS | | | SCAC3 |
| 16 | FCXT | FIRST (1ST) CLASS TRANSPORTATION & | | | SCAC4 |
| 17 | FCXU | FLORENS ASSET MANAGEMENT COMPANY LIMITED | | HK | BIC |
