Subway is a fast food restaurant chain headquartered in Milford, CT that mainly sells sub sandwiches. It has 42,070 restaurants in 107 countries, and is the largest fast food chain in the world. It was founded in 1965 by Fred DeLuca and Peter Buck as Pete’s Super Submarines. In 1966, they formed Doctor’s Associates Inc., which continues to own the company. They chose this names in hope of earning enough money for DeLuca to attend medical school. Subway’s best selling sandwich is the BMT, which includes pepperoni, salami, and ham.