| SKOPAK | 3RUEDAS | PAKISTÁN | - | 1968 |
| SKYLON | CICLOMOTOR | DINAMARCA | ÅRHUS - JYLLAND | 1953 |
| SL | MOTOCICLETA | REINO UNIDO | RICKMANSWORTH-WATFORD - HERTFORDSHIRE | 1924 |
| SLADE-JAP | MOTOCICLETA | REINO UNIDO | MANCHESTER - LANCASHIRE | 1921 |
| SLANEY | MOTOCICLETA | REINO UNIDO | OLTON-SOLIHULL - WARWICKSHIRE | 1921 |
| SLAUGHI | CICLOMOTOR | FRANCIA | SAINT-ÉTIENNE - LOIRE | 1950 |
| SLEIPNER | MOTOCICLETA | SUECIA | LILLA EDET - VÄSTRA GÖTALAND | 1913 |
| 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 |