Designer Films is part of Interwest Distribution, which was founded in 1985.We offer 3M Window Films to the professional audience, architects, interior designers, facility managers, loss prevention managers & building security managers. The portfolio of products is decorative films, sun control films and safety and security films. We enhance interiors, protect assets and reduce energy costs. Each film segment has its own unique benefits. We provide exceptional service to our customers from our 4 locations, including Chicago, Denver, Los Angeles and Seattle. We exclusively distribute 3M Window Film & 3M Paint Protection Film in 22 states serving the Midwest & West Coast. Get Started Today by Requesting a Quote!