Pizza Hut is the largest pizza purveyor in the world, with 12,583 total restaurants and combination delivery/takeout units in 90 countries; 6,590 units are company-owned. Pizza Hut generated approximately £4.7 billion in sales in 1996. (Chain Store Guide.)

Domino's Pizza is the world leader in delivery, with 5,500 stores in 46 international markets. Domino's reached £2.8 billion in sales in 1996

Papa John's is considered the fastest growing franchise in the USA, with 1,160 units generating £383 million in sales in 1996. (Chain Store Guide.) Of 31,386 pizza franchise units in the United States, roughly 83 percent (24,381 stores) offer delivery, 91% offer takeout, and 51% offer dine-in service.

Each year, thousands of people involved in the pizza industry attend Pizza Expo, the world's largest pizza-only trade show. Pizza Expo is held each year in Las Vegas, Nevada.