XenICs(site info)
Design and manufacturing of linescan and focal plane array (FPA) near-infrared (NIR) and thermal imaging sensors for integration in spectroscopy and camera systems.
http://www.XenICs.com
5.
AC Optics Inc.(site info)
Manufactures custom optical components and systems, including lenses, prisms, mirrors, windows, flats, and imaging as well as projection systems.
http://www.acoptics.com