Spectrogon AB Sweden diffraction gratings, filter wheels, holographic gratings, infrared optics, optical filters, spectroscopy, and thin film coatings
Rochester Precision Optics LLC United States diamond turning, infrared optics, lens design, night vision, optical engineering, precision glass molding, and thin film coatings
Tecnottica Consonni S.r.l. Italy aspheric lenses, infrared optics, lens design, optical coatings, optical engineering, prisms, and spherical lenses
LightPath Technologies, Inc. United States chalcogenide glass, infrared optics, laser collimators, lens design, molded aspheres, optical engineering, and thermal imaging
Wavelength Opto-Electronic (S) Pte Ltd Singapore infrared optics, laser diode drivers, laser optics, optics, photodiodes, and photonics
