The OM, for Officine Meccaniche, company was founded in 1899 In Milan, Italy. The first car was the Tipo S305 which was produced until 1923.

OM 665 SSMM Team Car Sport Milano Roadster 1929
This OM was a factory team car and has a supercharged 2.3 L 6 cylinder engine
Pebble Beach
Concours d'Elegance®, 2014

OM 665 SSMM Team Car Sports Milano Roadster 1929
Pebble Beach Tour d'Elegance 2014