The building at 340 Main Street in Worcester was built c. 1894-1897 to designs by the prestigious architectural firm of Peabody and Stearns. Known today as the Commerce Building (named for later tenant Commerce Bank), it was originally built for the State Mutual Life Insurance Company. Founded in 1844-1845 as the nation’s fifth life insurance company, it had previously been located in an 1870 building at 240 Main Street.