Maritime Directory

San Diego, CA, United States

Humphrey, Inc. designs and manufactures guidance, control, and directional survey equipment including gyroscopes, rate sensors, accelerometers, magnetometers, and optical compasses for marine, aircraft, and missile applications.

Markham, ON, Canada

Our magnetometers and gradiometers are currently in use by Navies, research institutes, Universities, archaeologists, geophysicists and survey companies around the World.

Reston, VA, United States

Schonstedt Instrument Company is an American manufacturer founded in 1953, specializing in the design and production of magnetic locators and pipe & cable locators used in surveying, construction, and utilities industries.