Not quite vertical integration, but TSMC's 5nm fabs are Apple's fabs. (exclusively for a period of time) During the iPod era, Toshiba's 1.8in HD production w

Not quite vertical integration, but TSMC's 5nm fabs are Apple's fabs. (exclusively for a period of time) During the iPod era, Toshiba's 1.8in HD production was exclusively Apple's only for music players, but Apple gets all the 5nm output from TSMC for a period of time.