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More than 50 years of the same quality, commitment and dedication are guaranteed to you with your purchase of Quaker windows and doors. Founded in 1949 and based in Freeburg, Missouri, the Quaker family-owned corporation was built on a business philosophy of quality and customer satisfaction that continues today.  Marge and Harold “Bud” Knoll dedicated themselves to building a business destined to be a leader in the window and door industry.

“A Tradition of Quality” has always been, and will continue to be, our motto and pledge. We constantly strive to build on our reputation for quality along with our history and passion for continual improvement and product development. Quaker’s second-generation owners are committed to making your new windows on the world the finest possible product available.

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