Hamamatsu Corporation - Bridgewater, NJImporter and distributor of photonics components and subsystems for use in instrumentation. Products include photomultiplier tubes, solid-state photodetectors, IR detectors, image sensors, scientific cameras, light sources, and x-ray solutions.
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.