PSI’s Andover Headquarters are located in a 68,000 sq. ft. office and laboratory complex in the metropolitan Boston area. The area is home to some of the world’s finest universities, best professional sports teams, and highest rated public and private schools. The mountains of New Hampshire and the Berkshires provide hiking and skiing opportunities while the New England’s 500 miles of coastline supports a range of water sports, boating and sightseeing.
Newburyport, MA

Lake Winnipesaukee
Lake Winnipesaukee, NH

PSI’s Pleasanton, CA office is conveniently located near the intersections of I-580 and I-680 in the Livermore Valley east of the San Francisco Bay. The facility includes mixed office and laboratory spaces supporting R&D in non-linear optical materials, laser systems, and sensor applications.

Mt Diablo
Mt. Diablo