This subseries documents Marmon, which was built by Nordyke and Marmon Company of Indianapolis, Indiana (1902-1926) and and Marmon Motor Car Company of Indianapolis, Indiana (1926-1933).

Founded by Howard C. Marmon in 1902, Marmon, was originally part of Nordyke and Marmon Company, a milling machine manufacturer, but became a separate company in 1926. Over the course of its existence, the Marmon firm became a noted manufacturer of luxury cars. It is also famous for being the constructor of the Marmon Wasp, the winner of the inaugural Indianapolis 500 in 1911. A victim of the Great Depression, Marmon ceased production of cars in 1933 and became part of Marmon-Herrington, a company which specializes in converting commercial trucks to four-wheel drive.