Map for Clark Dietz, Inc. Map for Clark Dietz, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Business & Professional Services >> Civil Engineering Clark Dietz, Inc. 8900 Keystone Crossing, Suite 475Indianapolis, IN 46240 | directions Kevin Hetrick (317) 844-8900 Visit Site If your business isn't here, contact us today to get listed!