C&M Technology, Inc. and its predecessor, C&M Systems, Inc. has been in the business of developing oceanographic data collection systems and special purpose underwater devices for government laboratories, industry and universities since 1975. C&M has designed, manufactured, tested and managed the at-sea deployment and retrieval of instrumentation systems to ocean depths of 20,000 feet. Our personnel have designed acoustic data collection systems employing vertical and horizontal hydrophone arrays, data acquisition units (DAUs), surface buoys and RF Telemetry.