| 1 | FOL | Forest Airline South Africa | Callsign: Forestair, | ZA | AVCODES |
| 2 | FOLB | FOLVEN BUILDING MATERIALS | | | SCAC3 |
| 3 | FOLC | FINEST OIL CO | | | SCAC4 |
| 4 | FOLD | FOLLINS LANE LLC | | | SCAC4 |
| 5 | FOLE | FOSTER, LESTER TRUCKING | | | SCAC3 |
| 6 | FOLE | FARNBACHER LOLES TRANSPORT LLC | | | SCAC4 |
| 7 | FOLF | FOLTIN, FRANK | | | SCAC3 |
| 8 | FOLF | FOLIOT FURNITURE INC | | | SCAC4 |
| 9 | FOLG | FRONTLINE LOGISTICS INC | | | SCAC4 |
| 10 | FOLH | FOLTZ TRUCK LINE INC | | | SCAC3 |
| 11 | FOLI | FOLIA 2000 | | | SCAC4 |
| 12 | FOLJ | FOLLACE, J OIL COMPANY INC | | | SCAC4 |
| 13 | FOLK | FOLKERS MOTOR FREIGHT | | | SCAC3 |
| 14 | FOLL | FIBERCORE OPS LLC | | | SCAC4 |
| 15 | FOLN | FORD, LAWRENCE A & SON INC | | | SCAC3 |
| 16 | FOLN | FOX, LAMAR TRUCKING INC | | | SCAC4 |
| 17 | FOLO | FOLEY OIL COMPANY INC | | | SCAC4 |
| 18 | FOLQ | FOLTZ, H G INC | | | SCAC3 |
| 19 | FOLQ | FOLTZ, H G INC | | | SCAC4 |
| 20 | FOLR | FOWLER, LARRY TRUCKING INC | | | SCAC3 |
| 21 | FOLS | FOWLER'S EXPRESS, INC | | | SCAC3 |
| 22 | FOLS | FOWLERS EXPRESS INC | | | SCAC4 |
| 23 | FOLT | FOLTZ TRANSFER | | | SCAC3 |
| 24 | FOLU | COMPACT CONTAINER SYSTEMS, LLC | | USA | BIC |
| 25 | FOLU | Compact Container Systems | | | RSRV |
| 26 | FOLW | FOODLINER INC | | | SCAC3 |
| 27 | FOLW | FOODLINER INC. | | | SCAC4 |
| 28 | FOLX | Frontenac Oil Refineries Ltd. | 7/1930-7/1932 | | NAKINA |
| 29 | FOLX | FRONTENAC OIL REFINERIES LTD. | | | PWRC |
| 30 | FOLY | FOLEY, EDWARD P | | | SCAC3 |
| 31 | FOLY | FALCON OIL LLC | | | SCAC4 |
