SEMI is a privately owned company headquartered in the US. Founded in 1970, SEMI employs approximately 790 people. The company functions as an industry association comprising companies involved in the electronics design and manufacturing supply chain. They provide equipment, materials, and services for the manufacture of semiconductors, photovoltaic panels, LED and flat panel displays, micro-electromechanical systems (MEMS), printed and flexible electronics, and related micro and nano-technologies.