| STIMULA | MOTOCICLETA | FRANCIA | CORMATIN - SAÔNE-et-LOIRE | 1902 |
| STOCK (Berlin) | MOTOCICLETA | ALEMANIA (REP. WEIMAR) | BERLIN - HEIDELBERG - BERLIN - BADEN-WÜRTTEMBERG | 1924 |
| STOCK (Leipzig) | TRICAR | ALEMANIA (REP. WEIMAR) | LEIPZIG - SACHSEN | 1932 |
| STOEWER | TRICICLO | ALEMANIA IMPERIAL | STETTIN - POMMERN | 1897 - 1904 |
| STOLCO | MOTOCICLETA | ALEMANIA (REP. WEIMAR) | STUTTGART - WÜRTTEMBERG | 1922 |
| STOLLE | MOTOR | ALEMANIA IMPERIAL | - | 1917 |
| STOOM-VÉLOCIPÈDE | VELOCÍPEDO | PAISES BAJOS | ´s HERTOGENBOSCH - NOORD-BRABANT | 1870 |
| STORERO | TRICICLO | ITALIA | TORINO - TORINO | 1899 |
| STORY | TRICAR | PAISES BAJOS | DEN HAAG - ZUID-HOLLAND | 1940 |
| STOYE | SIDECAR | ALEMANIA (REP. WEIMAR) | LEIPZIG - SACHSEN | 1925 |
| STRAKER | TRICICLO | REINO UNIDO | FARNBOROUGH-BROMLEY - KENT | 1903 |
| STREET | MOTOR | REINO UNIDO | - | 1970,s |
| STRICKER | MOTOCICLETA | ALEMANIA (REP. WEIMAR) | BRACKWEDE - NORDRHEIN-WESTFALEN | 1920 |
| STRIKE | TRIKE | AUSTRALIA | WANNEROO - WESTERN AUSTRALIA | 1999 |
| STRIX | MOTOCICLETA | ESLOVAQUIA | MARIBOR - PODRAVSKA REGIJA | 20?? |
| STROCK | MOTOCICLETA | FRANCIA | AMIENS - SOMME | 1903 |
| STROLCH (Stuttgart) | ESCÚTER | ALEMANIA | STUTTGART - WÜRTTEMBERG - BADEN-WÜRTTEMBERG | 1950 |
| STROLCH-PROGRESS (Stadelhofen) | ESCÚTER | ALEMANIA | STADELHOFEN - BAYERN | 1956 |
| STRUCO | MOTOCICLETA | ALEMANIA (REP. WEIMAR) | BIELEFELD - WESTFALEN | 1921 |
| STUART | MOTOCICLETA | REINO UNIDO | HENLEY-on-THAMES - OXFORDSHIRE | 1911 |