Casper Window and Door has been proudly serving central Wyoming for 10 years. We are a locally owned and operated business providing excellent window and door installation, maintenance, and service for commercial and residential buildings. Our experienced team can handle your next project, from servicing your existing windows or doors, to designing a unique custom piece. Call us today for a free estimate! Casper Window and Door was founded in 2007 by Patrick Lawien. Patrick has over 25 years of experience in the glass industry, with backgrounds ranging from field work to design.