Membership Ankeny Area Business Directory Directions to Septagon Construction Company Directions to Septagon Construction Company Search | Advanced Search | New Members | Coupons and Discounts | All Categories Home & Garden >> Contractor >> Commercial Septagon Construction Company 2950 Gateway Dr.Grimes, IA 50111 | map Dean Pfaltzgraff (515) 986-7313 | fax: (515) 986-7309 Visit Site Get directions to: Septagon Construction Company, 2950 Gateway Dr., Grimes IA Get directions from: Click to Print This Page If your business isn't here, contact us today to get listed! Subscribe to our Newsletter Name* First Last Email* Security Policy Marketing Opportunities Member Login