FOCtek Photonics Inc. - Fuzhou, ChinaPrecision optical components, polarization optics, crystals, assemblies, megapixel CCTV lenses, 20 MP machine vision lenses, and optical system solutions. Advanced measurement systems include Prism Master, spheric lens measurement systems, interferometers, and spectrophotometers. ISO 9001, IATF/TS16949, ISO 14001, and ISO 13485 certified with SGS.
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.