Teledyne Technologies Incorporated subsidiaries

Teledyne Brown Engineering, Inc. is an industry leader in engineered systems and advanced manufacturing. The Company provides full-spectrum systems engineering, integration, manufacturing, and lifecycle sustainment solutions to the marine, aviation, aerospace, defense, energy and environment markets. Teledyne Brown has expertise in systems integration, technology development, hardware design, prototype development, system test and evaluation, advanced manufacturing, performance-based logistics solutions, and operations and maintenance.

Teledyne LeCroy is a leading provider of oscilloscopes, protocol analyzers and related test and measurement solutions that enable companies across a wide range of industries to design and test electronic devices of all types.

Teledyne Scientific & Imaging provides research and development services in the areas of electronics, imaging sensors.

Princeton Instruments Inc. is primarily engaged in manufacturing instruments and apparatus that measure an optical property and optically project, measure, or magnify an image, such as binoculars, microscopes, prisms, and lenses. Included are the manufacturing of optical sighting and fire control equipment.

Since 1965, Bolt has been a leading supplier of marine seismic energy sources and replacement parts for offshore energy exploration. Bolt also develops and manufactures high-reliability underwater cables and connectors, as well as related electronic controllers, monitoring systems and other auxiliary equipment. Through its SeaBotix business, Bolt is a leading designer and manufacturer of miniature underwater remotely operated vehicles (Mini ROVs) used in maritime security, search and rescue, aquaculture, and scientific research applications.

Teledyne Advanced Pollution Instrumentation is designer and manufacturer of advanced air quality monitoring instruments.

Teledyne Benthos is designs, manufactures, distributes, and sells underwater technology, equipment, and systems for military and government markets, and the scientific community in the United States and internationally.

Altavian manufactures, sells, services, and operates small Unmanned Aircraft Systems (UAS). Developed by graduates from the University of Florida specializing in Aerospace Engineering and Geomatics, Altavian's core technology is designed for scientific data collection through its superior UAS. As opposed to satellites or aircraft, which are traditional methods used to acquire data over large areas or in hostile environments, UAS can capture high detail through many applications- a feat which the aforementioned methods cannot provide. Altavian deploys unmanned systems on-demand to produce precision data without endangering human lives.

Teledyne RD Instruments provides acoustic Doppler innovations used for current profiling and precision navigation, Teledyne RD Instruments was founded in 1982 and revolutionized the industry through the development of the first acoustic Doppler current profiler (ADCP). A part of the Teledyne Marine group, Teledyne RD Instruments continues to be an innovative force in the industry by designing, improving and manufacturing groundbreaking solutions used for current profiling, wave measurement, and precision navigation.

Photometrics Inc is primarily engaged in performing commercial business, marketing, opinion, and other economic, sociological, and educational research on a contract or fee basis.

E2v Holdings Inc. is primarily engaged in the wholesale distribution of electronic parts and electronic communications equipment, not elsewhere classified, such as telephone and telegraphic equipment; radio and television broadcasting and communications equipment; and intercommunications equipment.

Teledyne Odi, Inc. is primarily engaged in manufacturing electronic connectors.