Subway is a chain of submarine sandwich shops in the United States. They offer international locations in up to 112 countries. There are more than 26,000 locations in the United States. This company is known as one of the fastest growing fast food chains in the entire world. They have more than half of their stores in the United States and are the largest restaurant operator in the world. This company was founded in Bridgeport, Connecticut, in the year 1965. They offer made-to-order sub sandwiches that customers compile at the counter.