Rainbow Research Optics LLC - Centennial, COManufacturer of precision optical components and high-power laser coatings from UV to IR. Stock and custom optics: lenses, beamsplitters, filters, windows, mirrors, wave plates, large wedges, prisms, and many more. In-house custom coatings: AR, high reflection, dichroic, and polarizing. Optics from 4 mm to 16 inches.
Heidenhain Corporation - Schaumburg, ILInternational manufacturer of precision measurement and control equipment. This technology is utilized within precision motion control and machining systems worldwide. Products include encoders (linear, angle, rotary), length gauges, numerical controls, and touch probes for demanding positioning tasks.