Amphenol is one of the world's largest designers, manufacturers, and marketers of electrical, electronic, and fiber optic connectors and interconnect systems, antennas, sensors and sensor-based products, and coaxial, high-speed, fiber optic, and specialty cable. It serves automotive, commercial aerospace, communications networks, defense, industrial, information technology and data communications, and mobile device end markets. The company estimates worldwide sales of interconnect, cable assembly, antenna, and sensor-related products at approximately $500 billion in 2025.
Amphenol operates through three reportable segments — Communications Solutions (52% of 2025 net sales), Harsh Environment Solutions (26%), and Interconnect and Sensor Systems (22%) — with a global strategy emphasizing comprehensive design capabilities, broad product selection, high quality and service, and continuing programs of productivity improvement and cost control.
Communications Solutions 52% · Harsh Environment Solutions 25% · Interconnect And Sensor Systems 22%
business segments · FY2025 (ended Dec 2025) · share of tagged segment revenue (10-K XBRL, as filed)
