12. St. 319 Entertainment (Joined YouTube since January 10, 2011)
A Vietnamese dance cover group called St. 319 is a well-popular group especially in Hanoi. They always reach over a couple of hundred thousand views each time they release a K-Pop dance cover. They have their own fan club called IOWA and based on the number of their fans, this group is one of the leading K-Pop dance cover artist on social media.