Montgomery Securities was created in 1978.
If you mean Montgomery Street Income Securities Inc. (MTS), according to Yahoo! Finance, Deutsche Investment Management Americas, Inc. is their investment advisor.
Guosen Securities was created in 1989.
Yamaichi Securities was created in 1897.
Patersons Securities was created in 1903.
Union Securities was created in 1938.
Terra Securities was created in 1997.
Kinetic Securities was created in 2006.
Wachovia Securities was created in 2001.
Wedbush Securities was created in 1955.
Reynolds Securities was created in 1931.
Hongyuan Securities was created in 1993.
RBS Securities was created in 1981.