Design and manufacture products for field and laboratory research that range from antennas that transmit on the ARGOS frequencies, to microstructure profilers that measure high resolution of conductivity, temperature, dissolved oxygen, chlorophyll, and PAR.

Designer and supplier of geophysical instrumentation, hydrophones, towed hydrophone arrays, downhole arrays, sonars, ocean CTD profilers and other hydrographic equipment.

Manufacturer of subsea connectors and cable systems.

Data collecting instruments for land, sea and air.

Manufacturer of oceanographic, hydrographic and environmental water quality monitoring instrumentation.

Provide quality data logging and acquisition tools, instrumentation, acoustic telemetry systems and software to the marine, fisheries, oil and offshore industries.

Oceanographic, hydrographic, survey equipment and ROV sensor rental.

Manufacture environmental data acquisition systems with a focus on moored buoys for routine weather and sea state monitoring. Also build specialized buoys for research and are continually developing new sensors, power supplies and other buoy components.

Specializes in remote sensing technology for harsh environments. Founded in 1962 as a supplier of oceanographic products for the nearby Woods Hole Oceanographic Institution, the company designs and manufactures oceanographic and robotic systems for research, exploration and defense.

Manufactures GPS/DGPS and Argos drifting buoys, environmental telemetry systems, hydrographic instruments, equipment relocation products. Offers custom and semicustom work and OEM design services.