Allstate Peterbilt of Williston is a factory-authorized dealer of Peterbilt® service and repair parts, and accessories. We also offer traditional and mobile service to our trucking customers. We are located just off I-94 exit 64, then right onto 36th St SW. Allstate Peterbilt of Williston Allstate Peterbilt Group, is proud to be one of over 20 locations that serve truck operators around the Upper Midwest.