Zenith's demise.

[Yamaha B-2]

There are many others, as well. Atmel, LSI Logic, National Semiconductor, Medtronic, etc. But, chips have become dominated by computer design and automated fabrication. And 12" wafers. All this makes for a poor employment environment. And people, other than engineers (which we do a poor job of turning out - no one wants to work that hard today) don't need all that much education to do the routine tasks now required in semiconductor manufacturing, where I worked as an engineer until 2000. With the new paradigm, it is very difficult to compete with the Chinese.