Dominos Pizza Inc., commonly known as Dominos is an American pizza chain founded in 1960. Today, Dominos pizza has become the largest pizza restaurant chain. To its customers, this news is not surprising at all. A look at the Dominos menu and you won’t be able to make up your mind what to order. Domino’s offers scores of options across both vegetarian and non-vegetarian categories. And not all of them are pizzas.