There are three wholly-owned complementary subsidiaries of Physical Sciences Inc. They provide research and development, on-site support, and laser technology to organizations throughout the United States.


Faraday Technology, Inc.. provides government and commercial clients with R&D services related to electrochemical engineering technology development from bench scale through pilot or pre-production levels.


Q-Peak, Inc. develops unique and innovative solid state laser systems and related technologies as a supplier to government and aerospace prime contractors..


Research Support Instruments Research Support Instruments develops aerospace instrumentation, conducts scientific research, and provides science and engineering contract support services in physics, optics, calibration, and radiometry.