We’ve sold or given variations of them to some 30 nations over the years.
http://en.wikipedia.org/wiki/Stinger_missile#Operators
The examples in the article you linked to of where the US did provide Stingers to less trustworthy nations or groups show that doing so is a bad idea. Providing Iraq with Stingers was a really bad idea in my opinion, and calls into question the quality of thinking and planning being done by the current administration.