The mark of any successful construction company might be hanging around long enough to see some of its original construction reach the point where it's torn down for redevelopment, a milestone Keystone Construction reached about 18 months ago.
The company, founded by President Bill Hardie in 1987, constructed its first office building during its first year in operation. The Shaw Building in Chesterfield, occupied by Tom Shaw Realtors and three other tenants, was so successful that it led to Keystone…