IMG College - A sports marketing agency that specialized in sports media marketing and collegiate sports management.
http://www.imgcollege.com/
Learfield Sports - A sports marketing in the U.S that provides sales and marketing services for sports properties worldwide.
http://www.learfield.com/
National Sports Marketing Network - The trade organization for sports business professionals in the United States.
http://www.sportsmarketingnetwork.com/
