SEMI is a global industry association that represents companies involved in the manufacturing and supply chain of the electronics industry. The association was founded in 1970 and is headquartered in Milpitas, California. SEMI provides its members with networking opportunities, industry research, and advocacy on issues affecting the industry. The association also hosts industry events and conferences, including SEMICON West and SEMICON China. SEMI has offices and operations in North America, Europe, Japan, Korea, Taiwan, China, and Southeast Asia.