- The chip factories will be owned and operated by Taiwan Semiconductor Manufacturing Company, the biggest foundry company with over half of the global market share."This is an incredibly significant moment."Cook said Apple would buy processors made in a new Arizona factory, according to a video from the event."Today we're combining TSMC's expertise with the unrivaled ingenuity of American workers.TSMC currently does most of its manufacturing in Taiwan, which has raised questions from U.S. and European lawmakers about securing supply in the potential event of a Chinese invasion or other regional issues."