| SLUGGER | SHOW BIKE | SUECIA | HUDDINGE - STOCKHOLM LÄN | 2011 |
| SM (Poznań) | MOTOR | POLONIA | POZNAŃ - WOJEWÓDZTWO WIELKOPOLSKIE | 1935 |
| SM (Warszawa) | MOTOCICLETA | POLONIA | WARSZAWA - WOJEWÓDZTWO MAZOWIECKIE | 1930 |
| SMAC | MOTOCICLETA | FRANCIA | SAINT-ÉTIENNE - LOIRE | 1924 |
| SMART (Paris) | MOTOCICLETA | FRANCIA | PARIS - SEINE | 1922 |
| SMART (Wiener Neustadt) | MOTOCICLETA | AUSTRIA | WIENER NEUSTADT - NIEDERÖSTERREICH | 1924 |
| SMITH & MILROY | MOTOCICLETA | REINO UNIDO | ORPINGTON - KENT | 1901 |
| SMITH (Camberley) | MOTOCICLETA | REINO UNIDO | CAMBERLEY-SURREY HEAT - SURREY | 1904 |
| SMITH (Gateshead) | MOTOCARRO | REINO UNIDO | GATESHEAD - TYNE and WEAR | 1920 |
| SMITH (Nottingham) | MOTOCICLETA | REINO UNIDO | NOTTINGHAM - NOTTINGHAMSHIRE | 1911 |
| SMITH MOTOR WHEEL | MOTOR AUXILIAR | USA | MILWAUKEE - WISCONSIN | 1914 |
| SMITH-SKAIFE | MOTOCICLETA | REINO UNIDO | - | 1913 |
| SMS | MOTOCICLETA | REINO UNIDO | BIRMINGHAM - WARWICKSHIRE | 1913 |
| SMW | MOTOCICLETA | ALEMANIA (REP. WEIMAR) | GAUTING - BAYERN | 1923 |
| SMZ (D) | MOTOCICLETA | ALEMANIA | - | 1972 |
| SNELL-CALIFORNIA | BICIMOTOR | USA | TOLEDO (OH) - OHIO | 1904 |
| SNOB | MOTOR | ALEMANIA (REP. WEIMAR) | DÜSSELDORF - NORDRHEIN-WESTFALEN | 1921 |
| SOCOL | MOTOCICLETA | FRANCIA | SAINT-ÉTIENNE - LOIRE | 1908-1954 |
| SOCOVEL | MOTOCICLETA | BÉLGICA | BRUSSELS - BRUSSELS | 1938 |
| SOCVEL | ESCÚTER | FRANCIA | SAINT-ÉTIENNE - LOIRE | 1951 |