Apple - LLVM, Clang, and that whole ecosystem is pretty sweet to be involved in now. Wouldn't say it's 2nd rate.
Nicera - From working in Open vSwitch code for a while now, it's very clear that there were talented software engineers with a purpose to build something very real that solved a very real problem... I guess that is the basis of a 'product'.
Arista - FPGA in your switch? Sweet!