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.
Thorlabs Inc. - Newton, NJVertically integrated designer and manufacturer of photonics equipment for research, industry, life science, biomedical, and defense applications. Offerings include optomechanics, motion control, optics, fiber and fiber processing systems, light analysis, lasers and SLDs, optical amplifiers, imaging components, and microscopy systems.