Haha; they make Processors and Chips - Microsoft make Software - there aren't comparisons really in who is more advanced.
Although some say Microsoft are planning on making x86; maybe pure 64 bit Chips by the time they get some out... so who knows
Primarily; or so goes the theory; for the Xenon though, or whatever preceeds it.
Not very big is it?
Amd Headquarters from 35Feet up
Now as far as company sites go - the Boeing Plant! Now that is Site! Few acres of building to make Planes; classic.