Cottingham & Butler Insurance Cottingham & Butler Insurance Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Allied >> Workers’ Comp. Service Cottingham & Butler Insurance 800 Main StDubuque, IA 52001 (563) 587-5392 Visit Site Send a message to: Cottingham & Butler Insurance Your Name: Your Email: Subject: Message: (Date: 4/5/2026)