Tesla's Fremont Factory is an automobile manufacturing plant in Fremont, California, operated by Tesla, Inc. The facility opened as the General Motors Fremont Assembly in 1962, and was later operated by NUMMI, a former GM–Toyota joint venture. Tesla took ownership in 2010. The plant currently manufactures the Model S, Model 3, Model X, and Model Y, employing 10,000 people as of June 2018.