| Faccioli | Turin (I) | 1902 – 1908 | | |
| Facel Vega | Paris (F) | 1954 – 1964 | | |
| Fadag | (D) | | | |
| Fadin | Mailand (I) | 1924 – 1926 | | |
| Fafag | (D) | | | |
| Fafnir | Aachen (D) | 1908 – 1926 | | |
| Fageol | Oakland (USA) | 1916 | | |
| Fairthorpe | Denham (GB) | 1954 – 1981 | | |
| Falcon | Sontheim (D) | 1914 – 1925 | | |
| Farman | Billancourt (F) | 1920 – 1931 | | |
| FAS | Turin (I) | 1906 – 1912 | | |
| Fascination | (USA) | 1972 | | |
| Fast | Turin (I) | 1919 – 1925 | | |
| Faun | Ansbach/Nürnberg (D) | 1924 – 1926 | | |
| Felber | Morges (CH) | 1974 | | |
| Fermi | Treviso (I) | 1949 | | |
| Feroldi | Turin (I) | 1911 – 1913 | | |
| Ferrari | Maranello (I) | 1946 - | | |
| Ferro | Genua (I) | 1935 | | |
| Fial | Legnano (I) | 1906 – 1909 | | |
| Fiam | Turin (I) | 1924 – 1927 | | |
| FIAT | Turin (I) | 1899 - | | |
| Fides | Rom (I) | 1905 – 1911 | | |
| Figari | Mailand (I) | 1925 | | |
| Figini | Mailand (I) | 1898 – 1919 | | |
| Filipinetti | Grandson (CH) | 1967 – 1973 | | |
| Fimer | Mailand (I) | 1947 | | |
| Fischer | Zürich (CH) | 1909 – 1914 | | |
| FLAG | Genua (I) | 1905 – 1907 | | |
| Flirt | Turin (I) | 1913 – 1914 | | |
| Florentia | Florenz (I) | 1903 – 1910 | | |
| FN | Lièges (B) | 1899 – 1939 | | |
| FOD | Turin (I) | 1924 – 1927 | | |
| Ford | Detroit (USA) | 1903 - | | |
| Ford | Dagenham (GB) | 1903 - | | |
| Ford | Köln (D) | 1903 - | | |
| Framo | (D) | 1932 – 1937 | | |
| Franco | Sesto San Giovanni (I) | 1908 – 1912 | | |
| Franklin | Syracuse (USA) | 1902 – 1934 | | |
| Frazer | Willow Run (USA) | 1946 – 1951 | | |
| Frazer Nash | Kingston/Isleworth (GB) | 1924 – 1960 | | |
| Freia | (D) | | | |
| Frera | Mailand (I) | 1905 – 1913 | | |
| Frontenac | (USA) | 1916 – 1929 | | |
| Fuchs | (D) | | | |
| Fulda-Mobil | Fulda (D) | 1950 – 1960 | | |
| Fulmina | (D) | | | |
| Fusi-Ferro | Mailand (I) | 1948 | | |
| Gaggenau | Gaggenau (D) | 1905 – 1911 | | |
| Gallia | Turin (I) | 1905 – 1907 | | |
| Galloway | Tongland (GB) | 1921 – 1928 | | |
| Gardner | (USA) | 1919 – 1930 | | |
| Garanzini | Mailand (I) | 1925 | | |
| Garbaty | (D) | | | |
| GAZ | (UDSSR) | 1932 - | | |
| Geddes | Lucca (I) | 1942 | | |
| General | London (GB) | 1902 – 1905 | | |
| Georges Irat | Chatou/Neuilly/Levallois (F) | 1921 – 1946 | | |
| Georges Richard (Richard-Brasier) | Ivry-Port (F) | 1897 – 1905 | | |
| Georges Roy | (F) | 1906 – 1929 | | |
| Germain | Monceau-sur-Sambre (B) | 1897 – 1914 | | |
| GFH-Sport | Biel (CH) | 1954 | | |
| Ghia-Aigle | Aigle (CH) | 1949 – 1986 | | |
| Gilbern | Llantwit, Wales (GB) | 1958 – 1977 | | |
| Gillet-Forest | (B) | 1900 – 1907 | | |
| Ginetta | Woodbridge/Witham (GB) | 1957 - | | |
| Gladiator | Pré-St. Gervais (F) | 1896 – 1920 | | |
| Glas | Dingolfing (D) | 1955 – 1966 | | |
| Glisenti | Brescia (I) | 1900 | | |
| GN | Hendon (GB) | 1910 – 1925 | | |
| Gnesutta | Mailand (I) | 1900 | | |
| Gobron-Brillié | Boulogne-sur-Seine (F) | 1898 – 1930 | | |
| Goggomobil | Dingolfing (D) | 1955 – 1965 | | |
| Goliath | Bremen (D) | 1931 – 1955 | | |
| Gordini | Paris (F) | 1936 – 1957 | | |
| Gordon Diamond | San Lorenzo (USA) | 1945 – 1947 | | |
| Graber | Wichtrach (CH) | 1926 – 1970 | | |
| Grade | Bork (D) | 1921 – 1926 | | |
| Gräf & Stift | Wien (A) | 1907 – 1938 | | |
| Graham | (USA) | 1940 – 1941 | | |
| Graham-Paige | Detroit (USA) | 1928 – 1945 | | |
| Grégoire | Poissy (F) | 1903 – 1923 | | |
| Grégoire | Asnières (F) | 1945 – 1962 | | |
| Gregory | Kansas City (USA) | 1949 | | |
| Grofri (Lizenz Amilcar) | (A) | 1924 – 1927 | | |
| Gutbrod | (D) | 1949 – 1954 | | |
| Guy | Wolverhampton (GB) | 1919 – 1929 | | |
| GWK | Datchet (GB) | 1911 – 1931 | | |
| Gwynne | Chiswick (GB) | 1922 – 1929 | | |
| HAG | Darmstadt (D) | 1922 – 1924 | | |
| Hagea | (D) | | | |
| Hampton | King’s Norton (GB) | 1911 – 1933 | | |
| Hanomag | Hannover (D) | 1924 – 1939 | | |
| Hansa | Varel/Bielefeld (D) | 1905 – 1939 | | |
| Hansa-Lloyd | Bremen (D) | 1925 – 1929 | | |
| Hataz | (D) | | | |
| Hauser (Jakob Hauser AG) | Zofingen (CH) | 1955 | | |
| Haynes (Haynes-Apperson) | Kokomo (USA) | 1894 – 1925 | | |
| HE | Reading (GB) | 1920 – 1931 | | |
| Healey | Warwick (GB) | 1946 – 1953 | | |
| Heim | Mannheim (D) | 1921 – 1926 | | |
| Heinkel | Stuttgart-Zuffenhausen (D) | 1955 – 1958 | | |
| Helios | (CH) | 1906 – 1907 | | |
| Helios | Köln (D) | 1924 – 1925 | | |
| Henriod | Biel (CH) | 1893 – 1900 | | |
| Henry J | Willow Run (USA) | 1950 – 1954 | | |
| Hermes | Rom (I) | 1906 – 1908 | | |
| Hexe | Hamburg (D) | 1905 – 1907 | | |
| Higham-Special (Zborowski) | (GB) | | | |
| Hildebrand | Singen (D) | 1922 – 1924 | | |
| Hillman | Coventry (GB) | 1907 – 1976 | | |
| Hispano-Suiza | Barcelona (E) / Paris (F) | 1904 – 1944 | | |
| Holden | Australien | | | |
| Honda | Tokio (JPN) | 1962 - | | |
| Hoppenstand | Greenville (USA) | 1948 – 1949 | | |
| Horch | Köln/Reichenbach/Zwickau (D) | 1899 – 1939 | | |
| Horstman | Bath (GB) | 1914 – 1929 | | |
| Hotchkiss | Paris (F) | 1903 – 1954 | | |
| HRG | Tolworth (GB) | 1936 – 1956 | | |
| Hudson | Detroit (USA) | 1909 – 1957 | | |
| Hugot | | | | |
| Humber | Coventry/Beeston /GB) | 1898 – 1976 | | |
| Hummer | USA | | | |
| Hupmobile | Detroit/Cleveland (USA) | 1908 – 1940 | | |
| Hurtu | (F) | 1896 – 1930 | | |
