Hamamatsu Corporation - Bridgewater, NJImporter and distributor of photonics components and subsystems for use in instrumentation. Products include photomultiplier tubes, solid-state photodetectors, IR detectors, image sensors, scientific cameras, light sources, and x-ray solutions.
Aperture Optical Sciences Inc. - Meriden, CTDesign and manufacture of satellite telescopes, aspheric mirrors, SiC optics, optics, and optical systems for high-energy lasers. Provides large aperture integrated mounts, beam expanders, beam steering mirrors, and telescopes. Optics are deployed in aerospace, directed energy, HEL research, and remote sensing applications.