PSBA began in 1968 in Quincy, Illinois primarily in the highway branch of civil engineering. Through customer demand and staff additions, the company grew into other branches of engineering, including architecture, surveying and planning. Although the company began as a proprietorship, the company has grown into a corporation owned by the professional team.

Contact Details

  City Quincy , IL
  Zip Code 62305
  Address 100 South 54th St
  Phone Number (217) 223-4605