| 1 | FWR | Flightaware | Callsign: Flightaware, | USA | AVCODES |
| 2 | FWRB | FAWCETT OIL KINGSTON OIL | | | SCAC4 |
| 3 | FWRD | Fairmont and Western R.R. Co. | added 1/1985; eliminated 10/1988 | | NAKINA |
| 4 | FWRD | Fairmont and Western R.R. Co. | added 1/85; eliminated 10/88 | | NRHS |
| 5 | FWRD | FAIRMONT & WESTERN RAILROAD | | | PWRC |
| 6 | FWRD | FORWARD TRANSPORT LTD | | | SCAC4 |
| 7 | FWRF | FLOWER TRANSFER INC | | | SCAC3 |
| 8 | FWRF | FLOWER TRANSFER INC | | | SCAC4 |
| 9 | FWRP | FORWARD DISTRIBUTING | | | SCAC4 |
| 10 | FWRQ | FOWLER TRANSPORT CO | | | SCAC3 |
| 11 | FWRS | FULWIDER, RAYMOND L & SHARON L | | | SCAC3 |
| 12 | FWRS | FORWARD LOGISTICS SERVICES LLC | | | SCAC4 |
| 13 | FWRT | FLOWERS TRUCKING CO INC | | | SCAC3 |
| 14 | FWRU | GUANGDONG FUWA EQUIPMENT MANUFACTURING CO., LTD. | | PRC | BIC |
| 15 | FWRY | Filmore Western Ry. Co. | 7/2000-7/2005 | | NAKINA |
| 16 | FWRY | Filmore Western Ry. Co. | Jul-00 | | NRHS |
| 17 | FWRY | FILMORE WESTERN RAILWAY CO. | | | PWRC |
| 18 | FWRY | Fillmore and Western Railway | | | RSRV |
| 19 | FWRY | FILLMORE WESTERN RAILWAY COMPANY | | | SCAC4 |
