Andover Corporation is a privately held company specializing in the design and manufacture of high-performance optical filters, coatings, and assemblies. Founded in 1976 by Richard Bennett, the company is headquartered in Salem, New Hampshire, where it operates a 44,000-square-foot, vertically integrated manufacturing facility.
With over four decades of industry experience, Andover delivers precision optical solutions across the ultraviolet (UV), visible, and infrared (IR) spectra, covering wavelengths from 193 nm to 15 µm. Its in-house capabilities span substrate fabrication, precision polishing, optical coating, metrology, and environmental testing — all managed under one roof to ensure strict quality control and faster delivery.
The company serves mission-critical applications across aerospace, defense, biomedical imaging, industrial sensing, semiconductor manufacturing, machine vision, environmental monitoring, and astronomy. Andover holds AS9100 and ISO 9001 certifications, reflecting its commitment to rigorous quality standards, including 100% inspection of every product.
Andover Corporation website:www.andovercorp.com
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