APH

Amphenol Corp /de/

A global maker of connectors, cables, sensors, and antennas whose parts carry signals in phones, data centers, cars, and military gear. Founded in 1932 in Chicago, founder Arthur J. Schmitt invented molded radio tube sockets, and the name blends "American" and "phenolic," the plastic he used. During World War II, mechanics so often called its military connectors "the Amphenol connector" that the name stuck.