G P Enterprises is a privately held company in Ankeny, IA . Categorized under Waterproofing Contractors. NE 17th St, #J, Ankeny, IA 50021; (515) 401-3567. Directions. Reviews. We currently don't have any reviews for GP Enterprises. Find Nearby: ATMs; Hotels; Night Clubs; Parkings; Movie Theatres; Similar Waterproofings. Categories:Waterproofing, Contractor, Construction.