One M&T Plaza is an office tower located in Buffalo, New York and home to M&T Bank in Erie County. The 21 floor tubular International style office was built by Minoru Yamasaki with Duane Lyman Associates and completed in 1966. Yamasaki was the architect for the World Trade Center in New York City. The Structural Steel for the building was produced locally by Bethlehem Steel, and was a product of their V50 grade. The base of the building is composed of white and green marble with an interior of travertine.