| 1901 | GF | Gulf Aviation | Callsign: Gilfav, Name changed to Gulf Air Company G.S.C. | BRN | AVCODES |
| 1902 | GF | Gulf Air | ICAO: GFA, Callsign: Gulf, IATA Prefix: 072, | BRN | AVCODES |
| 1903 | GF | Norfolk Southern Ry. Co. | added 1/1991; 1/1994-7/2005 | | NAKINA |
| 1904 | GF | Southern Ry. System | eliminated 1/1991 | | NAKINA |
| 1905 | GF | Central of Georgia R.R. Co. | 1/1975-1/1980 | | NAKINA |
| 1906 | GF | Central of Georgia R.R. Co. | 1/75-1/80 | | NRHS |
| 1907 | GF | Southern Ry. System | eliminated 1/91 | | NRHS |
| 1908 | GF | Norfolk Southern Ry. Co. | added 1/91; 1/94-7/2000 | | NRHS |
| 1909 | GF | NORFOLK SOUTHERN [SOUTHERN; CENTRAL OF GEORGIA RAILROAD;GEORGIA & FLORIDA RY] | | | PWRC |
| 1910 | GF | Georgia & Florida Railway (Norfolk Southern) | | | RSRV |
| 1911 | GF | GEORGIA & FLORIDA RAILWAY COMPANY | | | SCAC4 |
| 1912 | GF | Georgia & Florida Railroad | | USA | TRAFFIC |
| 1913 | GF&A | Georgia, Florida & Alabama Ry. | 4/1938-7/1954 | | NAKINA |
| 1914 | GF&A | Georgia, Florida & Alabama Ry. Co. | 8/1920-7/1923 | | NAKINA |
| 1915 | GF&A | Georgia, Florida & Alabama Ry. | 4/38-1/52 | | NRHS |
| 1916 | GF&A | GEOERGIA, FLORIDA & ALABAMA RAILWAY CO. | | | PWRC |
| 1917 | GFA | Gulf Air Company G.S.C. | IATA: GF, Callsign: Gulf Air, IATA Prefix: 072, | BRN | AVCODES |
| 1918 | GFA | Gulf Air | IATA: GF, Callsign: Gulf, IATA Prefix: 072, | BRN | AVCODES |
| 1919 | GFA | Gulf Air | | | ICAO1 |
| 1920 | GFAA | GRAND FALLS AGROMART LTD | | | SCAC4 |
| 1921 | GFAI | GOFF, A LIMO.COM LLC | | | SCAC4 |
| 1922 | GFAJ | GATEWAY FS INC | | | SCAC4 |
| 1923 | GFAL | GULF AFRICA LINES | | | SCAC1 |
| 1924 | GFAL | GALBORG PTE LTD (TRADING AS GULF AF | | | SCAC4 |
| 1925 | GFAM | GULF AND ATLANTIC MARITIME SERVICES | | | SCAC1 |
| 1926 | GFAM | GULF & ATLANTIC MARITIME SERVICES | | | SCAC4 |
| 1927 | GFAQ | GARRATT FARMS | | | SCAC4 |
| 1928 | GFAR | GULF AIR | | | SCAC4 |
| 1929 | GFAV | GESFORD, ARLION V TRUCKING | | | SCAC4 |
| 1930 | GFAX | Gordon Fay Associates, Inc. | added 1/1997; eliminated 4/1997; 7/2000-7/2005 (not listed) | | NAKINA |
| 1931 | GFAX | Gordon Fay Associates, Inc. | added 1/97; eliminated 4/97; 7/2000 | | NRHS |
| 1932 | GFAX | GORDON FAY ASSOCIATES, INC. | | | PWRC |
| 1933 | GFAX | Gordon Fay Associates | | | RSRV |
| 1934 | GFAX | GORDON FAY ASSOCIATES, INC. | | | SCAC4 |
| 1935 | GFBL | GFI HAY PROCESSING | | | SCAC4 |
| 1936 | GFBT | GRANITE FABRICATOR AND TILE CENTRE | | | SCAC4 |
| 1937 | GFC | Gail Force Express | Callsign: Gail Force, | USA | AVCODES |
| 1938 | GFC | Gulf Coast Aviation | Callsign: Gulf Coast, | USA | AVCODES |
| 1939 | GFC | Gail Force Express | | | ICAO1 |
| 1940 | GFC | Grand Falls Central Ry. Co., Ltd. | 1/1975; eliminated 10/1977; 1/1980-7/2005 | | NAKINA |
| 1941 | GFC | Grand Falls Central Ry. Co., Ltd. | 1/75-7/2000 | | NRHS |
| 1942 | GFC | GRAND FALLS CENTRAL RWY. | | | PWRC |
| 1943 | GFC | Grand Falls Central Railway | | | RSRV |
| 1944 | GFCD | GF CONSOLIDATORS LIMITED | | | SCAC4 |
| 1945 | GFCG | G F C CARTAGE LLC | | | SCAC4 |
| 1946 | GFCH | GEM FARMS AND CUSTOM HAULING LTD | | | SCAC4 |
| 1947 | GFCL | GULF AGENCY COMPANY LIMITED | | | SCAC4 |
| 1948 | GFCM | GUTIERREZ FLORES, CLAUDIA MELINA | | | SCAC4 |
| 1949 | GFCN | GFC TRANSPORT INC | | | SCAC4 |
| 1950 | GFCO | GFC TRANSPORTATION INC | | | SCAC4 |
| 1951 | GFCS | GOULD MANUFACTURING | | | SCAC4 |
| 1952 | GFCT | GULICK FREIGHT SERVICE LOGISTICS IN | | | SCAC4 |
| 1953 | GFCU | GULF FIRST CONTAINER LINE (UK) LTD | | UAE | BIC |
| 1954 | GFCV | GULF COAST VACUUM SERVICE INC | | | SCAC4 |
| 1955 | GFCW | GEORGIA FLORIDA CONTACTING INC | | | SCAC4 |
| 1956 | GFCX | Glens Falls Lehigh Cement Co. | 7/2005 (not listed) | | NAKINA |
| 1957 | GFCX | Merchants Despatch Transportation Corp. | added 10/1960; 4/1961-1/1980; eliminated 1/1982 | | NAKINA |
| 1958 | GFCX | Merchants Despatch Transportation Corp. | added 10/60; 4/61-1/80; eliminated 1/82 | | NRHS |
| 1959 | GFCX | *MERCHANTS DESPATCH TRANSPORTATION CORP. | | | PWRC |
| 1960 | GFCX | +LEHIGH NORTHEAST CEMENT CO. [GLENS FALLS LEHIGH CEMENT CO.] | | | PWRC |
| 1961 | GFCX | Glens Falls Lehigh Cement | | | RSRV |
| 1962 | GFCX | LEHIGH NORTHEAST CEMENT COMPANY | | | SCAC4 |
| 1963 | GFCZ | GENERAL FOODS CORPORATION | | | PWRC |
| 1964 | GFCZ | General Foods Corporation | | | RSRV |
| 1965 | GFCZ | GENERAL FOODS CORPORATION | | | SCAC4 |
| 1966 | GFD | Gesellschaft Fur Flugzieldarstellung mbH | Callsign: Kite, | D | AVCODES |
| 1967 | GFD | Gesekkschaft Fur Flugzieldarstellung | | | ICAO1 |
| 1968 | GFD | Gleisbau Fülleberg GmbH | | DE | VKM |
| 1969 | GFDA | GENERAL FREIGHT WAY INC | | | SCAC4 |
| 1970 | GFDN | G-FORCE DIVISION | | | SCAC4 |
| 1971 | GFDX | General Foods Corp. | added 10/1974; eliminated 1/1975 | | NAKINA |
| 1972 | GFDX | General Foods Corp. | added 10/74; eliminated 1/75 | | NRHS |
| 1973 | GFDX | GENERAL FOODS CORP. | | | PWRC |
| 1974 | GFE | Archer Daniels Midland Company | Callsign: Greenleaf, | USA | AVCODES |
| 1975 | GFE | GfE Gesellschaft für Eisenbahnbetrieb mbH | | DE | VKM |
| 1976 | GFEA | GREEN FARM EQUIPMENT | | | SCAC4 |
| 1977 | GFEC | GLOBAL FORWARDING ENTERPRISES LLC | | | SCAC4 |
| 1978 | GFEE | GENERAL FEED & GRAIN INC | | | SCAC4 |
| 1979 | GFEN | GARNER FAMILY ENTERPRISES INC | | | SCAC4 |
| 1980 | GFER | GLF ENTERPRISES LLC | | | SCAC4 |
| 1981 | GFER | Global Fer S.p.A. | | I | TRAFFIC |
| 1982 | GFES | GUARDIAN FUEL AND ENERGY SYSTEMS IN | | | SCAC4 |
| 1983 | GFEZ | GALESBURG FARMERS ELEVATOR | | | PWRC |
| 1984 | GFF | Griffon Aviation (Cyprus) Limited | Callsign: Griffon Air, | CY | AVCODES |
| 1985 | GFF | Griffin Aviation | | | ICAO1 |
| 1986 | GFF | Gesellschaft für Fahrzeugtechnik mbH | | D | TRAFFIC |
| 1987 | GFFB | GREEN FOREST FARM TRANSPORT LLC | | | SCAC4 |
| 1988 | GFFC | GUAM FREIGHT FORWARDERS | | | SCAC1 |
| 1989 | GFFE | GRIFFETH & SON TRUCKING INC | | | SCAC4 |
| 1990 | GFFF | GRIFFIN FUELS | | | SCAC4 |
| 1991 | GFFG | GIFFORD TRUCKING INC | | | SCAC4 |
| 1992 | GFFH | GRIFFITH TRANSPORTATION INC | | | SCAC4 |
| 1993 | GFFK | GRIFFIN, FRANK OIL COMPANY INC | | | SCAC4 |
| 1994 | GFFP | GRIFFINS PROPANE INC | | | SCAC4 |
| 1995 | GFFQ | GARDEN FRESH FOODS INC | | | SCAC4 |
| 1996 | GFFS | GROUNDHAWG FAST FREIGHT SERVICE LLC | | | SCAC4 |
| 1997 | GFFY | GRAY FAMILY FARMS LLC | | | SCAC4 |
| 1998 | GFG | Air Bised | Callsign: Gremi, | GE | AVCODES |
| 1999 | GFG | Georgian National Airlines | IATA: QB, Callsign: Gremi, IATA Prefix: 399, Designator QB reinstated by IATA. Name changed from Air Bisec | GE | AVCODES |
| 2000 | GFG | Sky Georgia | IATA: QB, Callsign: Gremi, IATA Prefix: 399, Name changed from Georgian National Airlines. Designator QB reinstated by IATA. Name changed from Air Bisec | GE | AVCODES |
