4D Technology Corporation - Tucson, AZDesigns and manufactures dynamic laser interferometers and optical profilers, and surface defect gauges. Applications include precision machined surfaces, optics, astronomy, aerospace, space-based telescopes, flexible electronics, automotive, and in-line production measurement.
Radiant Vision Systems, Test & Measurement - Redmond, WADevelops integrated imaging solutions to enable automated visual inspection and measurement of light, color, and surfaces. Scientific-grade imaging colorimeters are used for production-quality inspection and R&D testing of displays, backlit components, LEDs, and other light sources, as well as overall manufacturing integrity.
Vermont Photonics Technologies Corp. - Dummerston, VTUS distributor for Moeller-Wedel Optical GmbH. Optical test, metrology, and quality control equipment: ELCOMAT electronic autocollimators, GONIOMAT electronic goniometers, custom electronic autocollimators, visual autocollimators, collimators, alignment telescopes, dioptometers, spherometers, focometers, interferometers, and refractometers.