Horner & Shifrin is a consulting engineering firm founded in 1933 with offices in Chicago, O’Fallon and Rochester, Illinois, as well as St. Louis, Springfield and Poplar Bluff, MO, specializing in the design of water, wastewater, civil, transportation, structural (buildings and bridges), mechanical, electrical and plumbing projects, and provides GIS/mapping, surveying and construction engineering services.
Stephen Randolph, P.E.
Horner & Shifrin, Inc.
200 South Wacker Drive, Ste. 3100
Chicago, IL 60606