Keystone Construction Company is a St. Louis based Commercial Design/Build Contractor founded in 1987 by Bill and John Hardie. Our company's areas of expertise are in the Office, Retail, Industrial and Medical design/build sectors. A privately owned company located in Chesterfield, Missouri. View our website at www.keystone-stl.com
Keystone Construction Company Address
633 Spirit Valley Central Drive Chesterfield, MO United States