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.
Evaporated Coatings Inc. - Willow Grove, PAOptical coatings for precision glass and polymer optics, fiber optic devices, crystals, and semiconductors. Designs include optical filters, high power AR and HR laser mirrors, ultralow antireflection, enhanced mirrors, beamsplitters, transparent conductive coatings, LWP/SWP filters, antistatic, attenuation, and custom designs. ISO 9001:2015 certified.