Founded in 1965, Subway is one of the largest submarine sandwich chains in the world. It offers a variety of subs, salads, and sides under categories, including classics, selects, premium, breakfast, kids' meals and catering. The firm operates 33,791 restaurants in 94 countries. Entrepreneur magazine has named SUBWAY restaurant chain the No. 1 Franchise opportunity, as well as the No. 1 Global Franchise opportunity, for 2010, in its annual Franchise 500 rankings. SUBWAY is a registered trademark of Doctor's Associates Inc. (DAI).