Interwest Auto Films is part of Interwest Distribution, which was founded in 1985. Since that time, we have grown to be the largest 3M distributor specializing in the marketing, sales and distribution of 3M Automotive Window Films, 3M Paint Protection Films, and 3M Ceramic Coating Films. We also distribute 3M Sun Control Films, 3M Safety Films and 3M Decorative Films. Interwest is headquartered in Denver but provides exceptional service to our customers from our 4 locations, including Chicago, Denver, Los Angeles and Seattle. We also operate Interwest Tools, which provides all of the installation tools and equipment needed to install our complete line of 3M film products. Interwest exclusively distributes 3M Window Films & 3M Paint Protection Films in 22 states serving the Midwest & West Coast.