Apple’s supplier list shows 48 had manufacturing sites in the US as of September 2021, up from 25 in 2020; 30+ sites were in California, up from <10 in 2020 (Yang Jie/Wall Street Journal)

Yang Jie / Wall Street Journal:
Apple’s supplier list shows 48 had manufacturing sites in the US as of September 2021, up from 25 in 2020; 30+ sites were in California, up from <10 in 2020  —  Partners of iPhone maker seek to stay nearby as pandemic makes travel to China difficult  —  U.S. Companies Are Reshoring Jobs From China at Record Levels