Established in 1965, in Bridgeport, Connecticut, USA
The brand holds the title as the world's largest restaurant chain by the number of locations, with thousands of stores in over 100 countries.
Subway's claim to fame is its "build your own" sandwich concept, allowing customers to choose their bread, fillings, toppings, and sauces.
The company has carved out a niche as a healthier fast-food option, boasting fresh vegetables and lean protein choices.
Its "Subway diet" marketing campaigns, highlighted by Jared Fogle's remarkable 200-pound weight loss story in the early 2000s, garnered significant attention.