Physical Sciences Inc

Physical Sciences Inc (PSI) is a research and development company founded in 1973 that has developed extensive capabilities in quantum sensing and quantum technology applications for defense and commercial markets. The company specializes in advanced sensing technologies including quantum-enhanced magnetometers, atomic clocks, and precision measurement systems for navigation, geophysical surveying, and scientific instrumentation. PSI develops quantum sensors based on atomic physics principles for applications in magnetic field sensing, gravitational measurements, and inertial navigation systems that provide superior performance compared to classical sensors. The company's quantum technology research spans fundamental physics research, sensor development, and system integration for government and commercial customers, contributing to advances in quantum sensing technologies for aerospace, defense, and scientific applications with particular expertise in cold atom systems and precision measurement techniques.