Indianapolis Indianapolis, IN (Headquarters) 8416 Zionsville Road Indianapolis, IN 46268 Phone: 800-589-3796 or 317-243-3796 (Office) Phone: 317-843-1603 (Store) Fax: 317-244-9079 Territory Manager: Todd Andrews Email: tandrews@hahnsystems.com About This Location Hahn System’s Indianapolis has been serving the Indianapolis construction community for over 85 years. Our team has the experience to assist your job site, anywhere in Indianapolis Todd Andrews, Territory Manager