Founded in 1959, Western Window Systems, part of the Mitre Brands as of March 2024, has grown into a leading manufacturer of moving glass walls and windows that bring indoor and outdoor spaces together. Inspired by contemporary living, our high-quality products are available in custom sizes, standardized sets, and massive dimensions for unlimited design possibilities in residential, multi-family, and commercial projects. From superior craftsmanship and timeless design to exceptional customer service, Western Window Systems is a preferred choice of architects, builders, and homeowners throughout North America.

Quality manufacturer of Vinyl Sliding Doors, Thermally Broken Aluminum Doors, Commercially Rated Aluminum Doors and Windows.

Core Business: Distribution to select installing Dealer Network servicing Production Builders, High-End Custom Homes, Luxury Homes, Light Commercial.