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.
Mad City Labs Inc. - Madison, WIDesigns and manufactures piezo nanopositioning systems and nanoscale precision instruments for metrology, photonics, astronomy, and microscopy. Closed loop nanopositioners with low noise, high stability PicoQ sensors. Products include piezo nanopositioners, single molecule microscopes, high precision micropositioning, AFM, and custom design.
Kentek Corporation - Boscawen, NHEstablished in 1983, Kentek Corporation has served thousands of laser users in more than 60 countries around the world. Kentek has the most comprehensive laser safety products and services including eyewear, barriers and curtains, viewing windows, beam control, beam evaluation, training and consulting for all laser users in any environment.