biggest companies in Chestnut Ridge, NY

Teledyne Technologies provides electronic components, instruments, and communications products in the U.S., Europe, Japan, and Canada. Its Electronics and Communications division offers microwave components and subsystems, high-voltage connectors, and imaging sensors, among other things. Its Systems Engineering Solutions division handles advanced technology applications, software development, and manufacturing solutions for space, military, environmental, and missile-defense markets. Aerospace Engines and Components designs, develops, and manufactures engines, engine controls, and aviation batteries. Energy Systems offers hydrogen-gas generators and thermoelectric and fuel-cell-based power sources for power plants, semiconductor manufacturing, and other industrial processes. Teledyne was founded in 1960 and is based in Thousand Oaks, Calif.