Teledyne Bolt, Inc. develops, manufactures, and sells 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 air gun 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 analog and digital air gun controllers/synchronizers, data loggers, and auxiliary equipment. The Underwater Robotic Vehicles segment provides underwater remotely operated robotic vehicles used 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 state and local governmental units. Teledyne Bolt, Inc. 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. As of November 18, 2014, Teledyne Bolt, Inc. operates as a subsidiary of Teledyne Technologies Inc.