Roosterteeth is a gaming and animation company located in Austin, Texas and they provide their work through their own personal website and YouTube.
~Warner Bros. Cartoon Network/ Adult Swim
Cartoon Network and Adult swim have animation intern positions open for Spring 2014. They are located in Atlanta, GA.
~Strawburry17 YouTube channel
Meghan Camerena is a independent YouTube channel who works from Los Angeles, California. She recently put out an internship to edit videos and always possibly create animations for the opening sequence of various videos.