Directions to HWC Engineering, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Business & Professional Services >> Engineers >> Civil HWC Engineering, Inc. 135 N Pennsylvania St, Ste 2800Indianapolis, IN 46204 | map (317) 347-3663 Visit Site Get directions to: HWC Engineering, Inc., 135 N Pennsylvania St, Ste 2800, Indianapolis IN Get directions from: Click to Print This Page