Crest Manufacturing Company was a manufacturer of automobiles in Cambridge, Massachusetts. They built cars between 1901 and 1904.
The 1904 Crestmobile was a touring car model, notable for its removable tonneau. With the tonneau in place, it could seat 4 passengers and sold for US$850. The vertical-mounted single-cylinder engine, situated at the front of the car, produced 7 hp (5.2 kW). A two-speed sliding transmission was fitted. The tubular-framed car weighed 930 lb (422 kg). It was similar in construction to the contemporary Covert.