Designer 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 Window Films, 3M Paint Protection Films, and 3M 2080 Vehicle Wrap Films.  Interwest & Designer Films exclusively distributes 3M Window Film in the following states: Arizona, California, Colorado, Idaho, Illinois, Iowa, Kansas, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oregon, South Dakota, Utah, Washington, Wisconsin and Wyoming.  We also operate Interwest Tools, which provides all of the installation tools and equipment needed to install our complete line of 3M film products.

Visit our corporate site at

Visit our tools site at

Interwest is headquartered in Denver, but provides exceptional service to our customers from our 4 locations, including Chicago, Denver, Los Angeles and Seattle.  When you choose Interwest and 3M, you get the products, innovation and expertise of 3M coupled with Interwest’s commitment to helping our customers build better businesses with the products we provide.  We are here to help improve your space!



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Interwest – Los Angeles

6878 Airport Drive
Riverside, CA 92504
Toll Free: 800 232-8468
Monday – Friday, 8-5pm PST


Interwest – Denver

2275 W. Chenango Ave. #100
Littleton, CO 80120
Toll Free: 800 232-8468
Monday – Friday, 8-5pm MST

Interwest – Chicago

1625 Hunter Road, Suite B
Hanover Park, IL 60133
Toll Free: 800 232-8468
Monday – Friday, 8-5pm CST


Interwest – Seattle

1050 Industry Dr.
Tukwila, WA 98188
Toll Free: 800 232-8468
Monday – Friday, 8-5pm PST