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About Quaker

Bud & Marge Knoll work together to start Quaker in 1949

Quaker Windows & Doors is a leading manufacturer of both residential and commercial window and door products.  Since 1949 Quaker when the company was first started by Marge and Bud Knoll, Quaker has built a reputation on providing products with the highest level of quality in the window and door industry.

Innovative product design, superior quality and outstanding service have been Quaker’s driving goal for distinction in a competitive marketplace. Meticulous care goes into every detail of the manufacturing process along with continual quality checks and stringent testing to ensure that only the finest products are installed in every project we build.
Engineering utilizes the latest technological advancements in their innovative product designs without compromising the exceptional craftsmanship that has been synonymous with the Quaker name since the beginning.

Quaker employees strive to improve the quality and functionality of our products everyday.

Quaker’s dedication to providing the best products in the industry has resulted in Product and System Design Innovations, Green Enrichment Principles, Valued Added Benefits, a Mission of Continuous Improvement, Integrity in all processes and a Commitment of total Customer Satisfaction. Quaker windows are proudly designed and manufactured in America for structural strength, durability, design flexibility and energy efficiency.

Quaker is an active participant in Habitat for Humanity, as well as supporting a variety of local and regional organizations. National industry affiliations include — AMMA, NFRC and WDMA.