One of those , have a 10 Year Visa for business.
Quite a feat seeing as there are no 10 year visas for business.
I suggest you scroll down this page and read about different visas or check out your own countries website.
He has been here for 7 years now , and I just called him , he has another 3 years left on his visa.
Now , there is a possibility that thing may have changed lately.
I do however detect some aggressiveness in your replies.
Perhaps you would like me to give your email address to my friends , and they may share with you all the details of their status here.