Teledyne Technologies Inc
A maker of sensors, cameras, and instruments, Teledyne supplies visible, infrared, and X-ray imaging for industrial, scientific, defense, and medical use, plus marine and environmental monitoring gear, avionics, and systems engineering for aerospace, defense, and space customers. Its four segments — Digital Imaging, Instrumentation, Aerospace and Defense Electronics, and Engineered Systems — serve mainly military and commercial aviation, with U.S. government agencies a key buyer.