Bolt Technology Corporation engages in the development, manufacture, and sale of marine seismic data acquisition equipment and underwater remotely operated robotic vehicles worldwide. It operates through four segments: Seismic Energy Sources, Underwater Cables and Connectors, Seismic Energy Source Controllers, and Underwater Robotic Vehicles. The Seismic Energy Sources segment offers marine seismic energy sources, such as marine air guns for use in seismic exploration; and replacement parts. The Underwater Cables and Connectors segment provides underwater cables, connectors, hydrophones, depth and pressure transducers, and seismic source monitoring systems. The Seismic Energy Source Controllers segment offers air gun controllers/synchronizers, data loggers, and auxiliary equipment. The Underwater Robotic Vehicles segment offers underwater remotely operated robotic vehicles for various underwater tasks. The company serves marine seismic exploration contractors, oil and gas companies, defense industry, fire and rescue organizations, and educational institutions, as well as federal, state, and local governmental units. Bolt Technology Corporation markets its products directly, as well as through sales agents and a network of distributors. The company was founded in 1960 and is headquartered in Norwalk, Connecticut.