Universal Photonics Inc. - Central Islip, NYLapping and polishing consumables and machinery for glass, plastic, crystals, IR, semiconductor, electro, laser, and fiber optics. Microcellular foam elastomer pads, compounds, ultrapure alumina, colloidal silica, diamond powder/slurries; water-based, nanosize, alpha-alumina; optical blocking, synthetic pitch, double-sided polishers, and centrifuges.
Chroma Technology Corp. - Bellows Falls, VTManufacturer of optical filters and coatings for many demanding applications such as: biomedical instruments and imaging systems, fluorescence microscopy, aerospace, surveillance, machine vision, industrial inspection such as semiconductors, food and lumber, multispectral imaging, and chemical analysis. Employee-owned.
Luxottica / Exciton - Lockbourne, OHManufacture and research of high performance dyes. Our expertise includes narrow-band visible and infrared absorber dyes for optical filters, as well as fluorescent, and the closely-related laser dyes. Since early 2017 Exciton has been part of Luxottica, a leader in the design, manufacture, and distribution of fashion, luxury, and sports eyewear.