 American Securities traces its roots to a family office founded in 1947 by William Rosenwald, the son of Julius Rosenwald (August 12, 1862 – January 6, 1932).In 1994, American Securities (fka American Securities Capital Partners) formalized its private equity investment activities and opened them to outside investors.On June 8, 2009, American Securities Capital Partners officially changed its name to American Securities LLC.