St. Louis-based design/build general contractor, Keystone Construction Company is celebrating their 35th anniversary. Keystone has developed strong niches in new construction and redevelopment projects in office, industrial, healthcare and retail sectors. Headquartered in Chesterfield, the firm has had an impact on the city’s footprint, having built more than 30 buildings, including current landmark projects such as Chesterfield Sports Complex and The District.
