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
FISBA AG Switzerland endoscopy optics, laser collimation, laser modules, micro-optics, optical design, precision glass molding, and thin film coatings
SwissOptic AG Switzerland aspheres, freeform optics, optical design, precision optics, prisms, semiconductor optics, and thin film coatings
