The Marsh Motorcycle Company is a defunct American motorcycle maker founded in Brockton, Massachusetts.
The company was formed by the Marsh brothers in Brockton. In 1905, it was combined with Charles Metz's Metz Motorcycle Company to create the American Motorcycle Company.
The Marsh brothers also created the Marsh Motor Carriage Company in 1899.
References
Marsh Motorcycle Company Wikipedia(Text) CC BY-SA