Distributors Distributors: Our distributors serve the Upper Midwest. Click on a state name to find a distributor of Dresser Trap Rock in your area. Illinois Iowa Minnesota Nebraska North Dakota South Dakota Wisconsin Decorative Boulder Distributors Have a Project in Mind? Let’s Get Building! Dresser Trap Rock, Inc. P.O. Box 517, 1000 East Ave. N, Dresser, WI 54009 (800) 537-3573 Sales: sales@dressertraprock.com billing@dressertraprock.com
