| SOUTHERN CROSS (Manchester) | TRICICLO | REINO UNIDO | MANCHESTER - LANCASHIRE | |
| SOUTHERN CROSS (Sydney/Toowoomba) | MOTOCICLETA | AUSTRALIA | SYDNEY - NEW SOUTH WALES | 1925 |
| SOUTHEY | MOTOCICLETA | REINO UNIDO | BERKHAMSTED - BIRMINGHAM - HERTFORDSHIRE - WARWICKSHIRE | 1905 |
| SOUVERAIN | MOTOR | FRANCIA | - | 1902 |
| SOVEREIGN | MOTOCICLETA | AUSTRALIA | LAUNCESTON - TASMANIA | 1907 |
| SOYER | MOTOCICLETA | FRANCIA | COLOMBES - SEINE | 1919 |
| SPA-JAP | MOTOCICLETA | REINO UNIDO | SCARBOROUGH - NORTH YORKSHIRE | 1921 |
| SPACKE | MOTOCICLETA | USA | INDIANAPOLIS - INDIANA | 1909 |
| SPAIRANI | VELOMOTOR | ITALIA | PAVIA - PAVIA | 1950 |
| SPARK (London) | MOTOCICLETA | REINO UNIDO | LONDON - LONDON COUNTY | 1903 |
| SPARKBROOK | MOTOCICLETA | REINO UNIDO | COVENTRY - WARWICKSHIRE | 1883-1912 |
| SPARTA | CICLOMOTOR | PAISES BAJOS | APELDOORN - GELDERLAND | 1917 - 1927 |
| SPARTAN | MOTOCICLETA | REINO UNIDO | ASTWOOD-REDDITCH - WORCESTERSHIRE | 1920 |
| SPARTING | VELOMOTOR | FRANCIA | RENNES - ILLE-et-VILAINE | 1950 |
| SPARTON | MOTOCICLETA | REINO UNIDO | CAERNARFON - GWYNEDD | 1975 |
| SPAVIERO | MOTOCICLETA | ITALIA | - | 1954 |
| SPEED (Neully-sur-Seine) | ESCÚTER | FRANCIA | NEUILLY-sur-SEINE - PARIS - SEINE - PARIS | 1933 |
| SPEED (Varberg) | MOTOR | SUECIA | VARBERG - HALLANDS LÄN | 1936-1953 |
| SPEED KING | MOTOCICLETA | REINO UNIDO | WOLVERHAMPTON - STAFFORDSHIRE | 1913 |
| SPEEDWELL (Alcester) | SIDECAR | REINO UNIDO | ALCESTER - WARWICKSHIRE | 1909 |