American Polarizers is a world leader in the creation and manufacturing of polarized and non-polarized optical filters for applications including photelectric sensors, avionics, biomedical equipment, aircraft cabin windows, and many other applications for civilian and military / defense needs. As a company with an ISO9001:2015 certified quality system, we are dedicated to excellence in customer service, innovation of design, and high-quality manufacturing in order to bring you the finest products on the market. Founded in 1960, as a division of Smith Kline French, API’s long successful history has enabled us to evolve over the years to meet our customer’s needs in the optical filter marketplace. As an award-winning innovation leader, we have consistently added new products, new services, and new manufacturing equipment. Being a full-service manufacturer, our clean rooms, customized lamination equipment, lasers, waterjets, and metrology testing offer valuable services to our customers and their requirements. Our engineers work closely with customers to provide solutions by developing innovative products and services. At API, in the 21st century, creativity and technology blend as one to give our customers the best solutions to their optical needs. We offer engaged engineering support, an ISO9001:2015 certified QMS, and friendly people who value developing long term customer relationships and solving challenges that help make us a great partner to our customers.