Duncan Robertson, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Other >> INDOT Prequalified Contractors as of 05/01/2025 >> E(L) Structural Steel Erection Duncan Robertson, Inc. PO Box 457Franklin, IN 46131 | View on Google Maps Michael D Robertson (317) 736-6024 Member Since: 1987 Send a message to: Duncan Robertson, Inc. Your Name: Your Email: Subject: Message: (Date: 9/1/2025)