Tesla in Fremont at the old GM/NUMMI plant; Flextronics in Milpitas, and a few smaller ones, but pretty much all on the east side of the bay. A Forbes article [1] on this from 2012.
It would be great if there was a really simple way for decentralized publishers like blogs to do syndication; some kind of rich-text protocol for site summaries. Maybe a Google engineer could write a reader for them in their 20% time.
Wow, that is a long time ago.
Is there any manufacturing left in the valley?