Subway is a fast food chain primarily known for its submarine sandwiches (subs) and salads. Founded in 1965, Subway has grown to become one of the largest fast food chains in the world with over 41,000 locations in more than 100 countries. The chain is known for offering a variety of subs, made-to-order in front of customers, with a range of ingredients including meats, cheeses, vegetables, and sauces. Subway also offers sides, drinks, and desserts.