Dunkin’ Donut was actually started as a catering services called “Industrial Luncheon Services” where the meals and snacks should be delivered to factory worker by William Rosenberg in 1946. He noticed that the huge success from donuts and coffee opened a specialized store called “Open Kettle” and after two years it was renamed it and it was commonly known as “Dunkin Donut”. Nowadays, Dunkin’ Donut is one of the world’s leading coffee
chain and baked goods, serving 3 million customer every day. It started with a small businesses and grew to one of the top chains in the world.
has earned the No. 1 ranking for customer loyalty in the coffee category by Brand Keys for nine years running. The company has more than 11,300 restaurants