Oates Associates. is a multi-disciplined company providing civil and structural engineering and architectural services from concept through construction services. We have operated in the Midwest since the mid-1970s with an office in the St. Louis Metro East area since 1980. In 2006 we opened an office in Downtown St. Louis.


Contact Details

  City Collinsville , IL
  Zip Code 62234
  Address 100 Lanter Court
  Phone Number (618) 345-2200