The Indian government is cooperating with the Russians on Glonass. I'm not sure if they actually went through with it, but I remember reading a while back that the Indians were even going to launch some of the satellites for the Russians.

And let's not ignore yet another competing global naviation system, this time from the People's Republic of China--the Beidou Navigation System. Not yet operational, but they're actually sending the birds up.

GPS, and to a lesser extent, Galileo, get all the attention, but as we've just learned in this thread, they are not the only games in town.