* STMicroelectronics (headquartered in Geneva; though it was a merger of a French and an Italian company)
And a new but still quite well known security hardware one:
* Silent Circle (security hardened smartphones)
But as other have pointed out, in software/hardware Switzerland is doing best in R&D, not least because of the high salaries, and a lot of CS grads will also end up going into jobs in companies that are not necessarily hardware/software companies but that need a lot of CS talent (e.g. banks, high tech manufacturing).
In terms of companies, here's a few of the best known I'm aware of:
An old infamous one:
* https://en.wikipedia.org/wiki/Crypto_AG
And a couple of major international ones:
* Logitech (founded in Apples, Vaud)
* STMicroelectronics (headquartered in Geneva; though it was a merger of a French and an Italian company)
And a new but still quite well known security hardware one:
* Silent Circle (security hardened smartphones)
But as other have pointed out, in software/hardware Switzerland is doing best in R&D, not least because of the high salaries, and a lot of CS grads will also end up going into jobs in companies that are not necessarily hardware/software companies but that need a lot of CS talent (e.g. banks, high tech manufacturing).