Tower Optical Corporation is a premier manufacturer and producer of high quality precision optics and assemblies. Its stock and "build to spec" custom products are used in leading-edge photonics technology Products include, crystal quartz waveplates and achromatic waveplates (retarders), lenses, prisms, beamsplitters, windows, optical flats, transmission flats, hot and cold mirrors, filters and coatings. Founded in 1978, is a supplier to manufacturers of electro-optics, lasers, telecommunications, medical instruments, optical imaging and optical computing. Its customers represent a broad variety of companies and industries including military, aircraft, aerospace, medical, university researchers and key U.S. Department of Defense contractors. Tower is registered ISO 9001:2008, SAE 9100 Rev B compliant and is registered with the U.S. State Department to obtain export licenses. Tower is a service disabled veteran owned small business (SDVOSB) Cage code 1N2U3.