Automobile companies founded by and associated with the Ceirano brothers, Giovanni Battista Ceirano, Giovanni Ceirano, Matteo Ceirano and Ernesto Ceirano and their descendants.
| Year | Name | Founder | Description | Marque | ||
|---|---|---|---|---|---|---|
| 1898 | Welleyes (the technical basis of F.I.A.T.). The first motorcar Ceirano designed and built was the Well-Eyes. He sold the rights to Giovanni Agnelli of F.I.A.T. who manufactured it in volume as their first motor car. | Ceirano | ||||
| 1901 | Ceirano | |||||
| 1904 | Rapid | |||||
| 1904 | Itala | |||||
| 1905 | Junior | |||||
| 1906 | SPA | |||||
| 1906 | SCAT | |||||
| 1917 | Ceirano | |||||
| 1923 | Ceirano | |||||
| 1920 | Societa Italiana Ferrotaie (Turin 1920-1922) Fabbrica Anonima Torinese Automobili (Turin 1922-1933) |