Fairchild Semiconductor
In 1957, Fairchild Semiconductor became the third company in Silicon Valley. Of course it wasn't called Silicon Valley then, since the whole silicon industry was just starting to evolve. Fairchild was at the cutting edge, and created some of the innovative technologies that would push the entire field forward.
The company had locations in the United States at San Jose, California; San Rafael, California; South Portland, Maine; West Jordan, Utah; and Mountain Top, Pennsylvania. Outside the US, it operated locations in Australia; Singapore; Bucheon, South Korea; Penang, Malaysia; Suzhou, China; and Cebu, Philippines, among others.