Sansone Group is a nationally recognized St. Louis-based commercial real estate firm that specializes in property and facility management, brokerage, development and redevelopment of retail, industrial, office and residential properties. Through our affiliations with SIOR and CCIM, we help our clients with their real estate needs locally, nationally, and globally. Founded in 1957 by Anthony F. Sansone, Sr. he is joined by four of his sons as principals of the firm.