Map for Gradex, Inc. Map for Gradex, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Real Estate & Construction >> Contractors - Builders/Concrete/Electrical/Mechanical Gradex, Inc. 10220 N. Illinois St.Carmel , IN 46290 | directions Tom Dapp (317) 573-3970 | fax: (317) 573-3979 Visit Site If your business isn't here, contact us today to get listed!