Engineering Innovation Established in 1961, GRAEF has expanded to become a major U.S. consulting company, as ranked by Engineering News Record Magazine. Our technical staff, situated in multiple offices in Wisconsin, Illinois, Arizona and Florida, represent a complete resource with diverse technical expertise able to address all aspects of analysis, design, and construction.


Contact Details

  City Chicago , IL
  Zip Code 60631
  Address 8501 West Higgins Rd # 280
  Phone Number (773) 399-0112