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.