Our Firm The firm I am associated with is Mutual Securities Inc. They were founded in 1982. Mutual Securities serves its clientele through over 200 experienced independent representatives and advisors. The firm is privately owned and maintains its corporate head-headquarters in Camarillo, California. Mutual Securities is a member of FINRA, MSRB and SIPC and is registered to conduct business in all 50 states and the District of Columbia.