Directions to Willett, Hofmann & Associates Directions to Willett, Hofmann & Associates Search | Advanced Search | New Members | Coupons and Discounts | All Categories Business & Professional Services >> Engineering Willett, Hofmann & Associates 3180 Theodore StreetJoliet, IL 60435 | map Visit Site Get directions to: Willett, Hofmann & Associates, 3180 Theodore Street, Joliet IL Get directions from: Click to Print This Page If your business isn't here, contact us today to get listed!