Teledyne Technologies operates through four primary business segments: Digital Imaging, Instrumentation, Aerospace and Defense Electronics, and Engineered Systems. The Digital Imaging segment, its largest revenue contributor, provides high-performance sensors, cameras, and infrared systems for industrial, medical, and defense applications. The Instrumentation segment offers analytical and monitoring equipment used in environmental, marine, and laboratory contexts. The Aerospace and Defense Electronics segment supplies avionics, guidance systems, and harsh-environment interconnects, while the Engineered Systems segment delivers specialized mechanical and electronic solutions. With a significant portion of its revenue derived from U.S. government contracts, Teledyne maintains a strong competitive position in niche, high-reliability technology markets worldwide.