As one of a select few companies that manufacturers wood, vinyl and aluminum window and door solutions for both the commercial and residential markets, Quaker offers that unique blend of design, quality and craftsmanship, with state-of-the-art manufacturing technology to create the perfect solution for your commercial project. Manufactured in Freeburg, Missouri, Quaker works closely with Customer's, Architect's, Contractor's and Building Owners in order to deliver the "Right Solution" offering the highest quality products, service and support