Wesco is an unincorporated community in southwest Crawford County, Missouri, United States.
[1] It is located on the Meramec River, approximately eight miles southwest of Steelville.
[3] A post office called Wilsons Mills was established in 1877, and the name was changed to Wesco in 1907.
[4] The present name is a contraction of the Western Electric Supply Company, a telephone utility.
This Crawford County, Missouri state location article is a stub.