Gestione Silo S.r.l. Italy cleanroom assembly, lens design, optical coatings, opto-mechanics, precision optics, prisms, and spherical lenses
SwissOptic AG Switzerland aspheres, freeform optics, optical design, precision optics, prisms, semiconductor optics, and thin film coatings
CDGM Glass Co., Ltd. China aspherical lenses, glass ceramic, infrared glass, optical glass, precision glass molding, and precision optics