| 4901 | FOGA | FOGARTY VAN LINES INC | | | SCAC4 |
| 4902 | FOGE | FOGELSONGERS HIGHWAY EXPRESS | | | SCAC3 |
| 4903 | FOGG | FOGG, ROSS OIL COMPANY | | | SCAC4 |
| 4904 | FOGL | FOGLEMAN TRUCK LINE, INC. | | | SCAC3 |
| 4905 | FOGM | FOGLEMAN TRUCKING | | | SCAC4 |
| 4906 | FOGO | FOGG OIL COMPANY | | | SCAC4 |
| 4907 | FOGQ | FOGARTY, DANIEL J | | | SCAC3 |
| 4908 | FOGR | FOGELMAN, RUDY TRUCK LINE INC | | | SCAC3 |
| 4909 | FOGT | FORGET TRANSPORT INC | | | SCAC3 |
| 4910 | FOGU | FIVE OCEANS LOGISTICS LTD | | HK | BIC |
| 4911 | FOGU | FIVE OCEANS LOGISTICS LIMITED | | | SCAC4 |
| 4912 | FOH | Orion Airways | Callsign: Orion, | CY | AVCODES |
| 4913 | FOHE | FORT HILL EXPRESS, INC | | | SCAC3 |
| 4914 | FOHI | FOOTHILL INDUSTRIES A CORPORATION | | | SCAC3 |
| 4915 | FOHQ | FROH, W H INC | | | SCAC3 |
| 4916 | FOHT | FOUR H TRUCKING (4-H TRUCKING) | | | SCAC3 |
| 4917 | FOHU | NANTONG FOHSIN CONTAINER MANUFACTURING CO, LTD | | PRC | BIC |
| 4918 | FOI | Flight Ops International | | USA | AVCODES |
| 4919 | FOI | Flight Ops International | | | ICAO1 |
| 4920 | FOIC | FRANKLIN OIL CO INC | | | SCAC4 |
| 4921 | FOID | FLEXFRAC OILFIELD | | | SCAC4 |
| 4922 | FOIF | FARMER OIL INC | | | SCAC4 |
| 4923 | FOIH | FRECHETTE OIL | | | SCAC4 |
| 4924 | FOIL | FRONTIER LEASING INC | | | SCAC3 |
| 4925 | FOIN | FALK OCEAN INTERNATIONAL LTD H K | | | SCAC3 |
| 4926 | FOIQ | FITTERER OIL CO INC | | | SCAC4 |
| 4927 | FOIR | FOWLER OIL CO INC | | | SCAC4 |
| 4928 | FOIY | FOISY, GEORGE MOVER INC | | | SCAC3 |
| 4929 | FOJA | FORSHEY, JAMES ERNEST | | | SCAC3 |
| 4930 | FOJD | FOUR J DISTRIBUTING COMPANY (4-J DI | | | SCAC3 |
| 4931 | FOJE | FOUR J ENTERPRISES INC | | | SCAC3 |
| 4932 | FOJI | FLORES ORTIZ, JOSE ANTONIO | | | SCAC4 |
| 4933 | FOJO | FOSTER, JOE EXCAVATING INC | | | SCAC3 |
| 4934 | FOJS | FOUR J'S TEXAS WESTERN COACHES CORP | | | SCAC3 |
| 4935 | FOJT | FOSTER, JIM TRUCKING INC | | | SCAC3 |
| 4936 | FOJY | FORSTER JOYCE TRAVEL | | | SCAC3 |
| 4937 | FOKC | FIVE OAKS CHARTERS INC | | | SCAC3 |
| 4938 | FOKG | FRESNILLO TRUCKING | | | SCAC4 |
| 4939 | FOKX | Canadian General Transit Co., Ltd. | added 4/1960; 4/1961 (not listed); eliminated 4/1961 | | NAKINA |
| 4940 | FOKX | British American Oil Co., Ltd. | 4/1938-10/1957; eliminated 4/1960 | | NAKINA |
| 4941 | FOKX | Fidelity Oil Co. (The British American Oil Co., Ltd.) | 7/1930-7/1935 | | NAKINA |
| 4942 | FOKX | Fidelity Oil Co. (The British American Oil Co., Ltd.) | Apr-38 | | NRHS |
| 4943 | FOKX | British American Oil Co., Ltd. | 1/52-10/57 | | NRHS |
| 4944 | FOKX | Canadian General Transit Co., Ltd. | 4/61; eliminated 4/61 | | NRHS |
| 4945 | FOKX | CANADIAN GENERAL TRANSIT CO. LTD. [FIDELITY OIL CO.; BRITISH AMERICAN OIL CO., LTD.] | | | PWRC |
| 4946 | FOL | Forest Airline South Africa | Callsign: Forestair, | ZA | AVCODES |
| 4947 | FOLB | FOLVEN BUILDING MATERIALS | | | SCAC3 |
| 4948 | FOLC | FINEST OIL CO | | | SCAC4 |
| 4949 | FOLD | FOLLINS LANE LLC | | | SCAC4 |
| 4950 | FOLE | FOSTER, LESTER TRUCKING | | | SCAC3 |
| 4951 | FOLE | FARNBACHER LOLES TRANSPORT LLC | | | SCAC4 |
| 4952 | FOLF | FOLTIN, FRANK | | | SCAC3 |
| 4953 | FOLF | FOLIOT FURNITURE INC | | | SCAC4 |
| 4954 | FOLG | FRONTLINE LOGISTICS INC | | | SCAC4 |
| 4955 | FOLH | FOLTZ TRUCK LINE INC | | | SCAC3 |
| 4956 | FOLI | FOLIA 2000 | | | SCAC4 |
| 4957 | FOLJ | FOLLACE, J OIL COMPANY INC | | | SCAC4 |
| 4958 | FOLK | FOLKERS MOTOR FREIGHT | | | SCAC3 |
| 4959 | FOLL | FIBERCORE OPS LLC | | | SCAC4 |
| 4960 | FOLN | FORD, LAWRENCE A & SON INC | | | SCAC3 |
| 4961 | FOLN | FOX, LAMAR TRUCKING INC | | | SCAC4 |
| 4962 | FOLO | FOLEY OIL COMPANY INC | | | SCAC4 |
| 4963 | FOLQ | FOLTZ, H G INC | | | SCAC3 |
| 4964 | FOLQ | FOLTZ, H G INC | | | SCAC4 |
| 4965 | FOLR | FOWLER, LARRY TRUCKING INC | | | SCAC3 |
| 4966 | FOLS | FOWLER'S EXPRESS, INC | | | SCAC3 |
| 4967 | FOLS | FOWLERS EXPRESS INC | | | SCAC4 |
| 4968 | FOLT | FOLTZ TRANSFER | | | SCAC3 |
| 4969 | FOLU | COMPACT CONTAINER SYSTEMS, LLC | | USA | BIC |
| 4970 | FOLU | Compact Container Systems | | | RSRV |
| 4971 | FOLW | FOODLINER INC | | | SCAC3 |
| 4972 | FOLW | FOODLINER INC. | | | SCAC4 |
| 4973 | FOLX | Frontenac Oil Refineries Ltd. | 7/1930-7/1932 | | NAKINA |
| 4974 | FOLX | FRONTENAC OIL REFINERIES LTD. | | | PWRC |
| 4975 | FOLY | FOLEY, EDWARD P | | | SCAC3 |
| 4976 | FOLY | FALCON OIL LLC | | | SCAC4 |
| 4977 | FOM | South Pacific Air Charters Ltd. t/a Freedom Air International | IATA: SJ, Callsign: Free Air, ICAO callsign changed to Freedom | NZ | AVCODES |
| 4978 | FOM | South Pacific Air Charters Ltd. t/a Freedom Air International | IATA: SJ, Callsign: Freedom, ICAO callsign changed from Free Air | NZ | AVCODES |
| 4979 | FOM | South Pacific Air Charters Ltd. t/a Freedom Air International | IATA: SJ, Callsign: Freedom, ICAO callsign changed from Freedom | NZ | AVCODES |
| 4980 | FOM | South Pacific Air Charters Ltd. t/a Freedom Air International | IATA: SJ, Callsign: Free Air, Founded in 1995. Commenced operations in 1995. Ceased operations on 30 March 2008. ICAO callsign changed from Freedom | NZ | AVCODES |
| 4981 | FOM | Freedom Air | IATA: SJ | | ICAO1 |
| 4982 | FOMA | FORTY MILE AIR LTD (40 MILE AIR LTD | | | SCAC4 |
| 4983 | FOMC | FIRST OCEAN MARINE COMPANY | | | SCAC3 |
| 4984 | FOME | FULTON-OSWEGO MOTOR EXPRESS, INC | | | SCAC3 |
| 4985 | FOMG | FROST MOVING & STORAGE INC | | | SCAC3 |
| 4986 | FOMI | FROST MOVING & STORAGE OF ALPENA | | | SCAC3 |
| 4987 | FOMI | FLO MAR INC | | | SCAC4 |
| 4988 | FOML | FOREMAN, LESTER W | | | SCAC3 |
| 4989 | FOML | FOREMAN, LESTER W | | | SCAC4 |
| 4990 | FOMN | FOREST MOVING & STORAGE CO | | | SCAC3 |
| 4991 | FOMO | FROST MOVING & STORAGE | | | SCAC3 |
| 4992 | FOMP | FORMOSA PLASTICS MARINE CORPORATION | | | SCAC3 |
| 4993 | FOMQ | FOWLER MOVING & STORAGE CO | | | SCAC3 |
| 4994 | FOMR | FOREST MOTOR LINES INC | | | SCAC3 |
| 4995 | FOMR | FOGMAKER | | | SCAC4 |
| 4996 | FOMS | FOSTER MOVING SYSTEMS INC | | | SCAC3 |
| 4997 | FOMW | FORMENTOR MARITIME INC GREECE | | | SCAC3 |
| 4998 | FON | Aer Sicilia S.R.L. | Callsign: Fontanair, | I | AVCODES |
| 4999 | FONC | FONT TRUCKING COMPANY | | | SCAC3 |
| 5000 | FOND | FONDALE COMPANY, THE | | | SCAC3 |
