Pizza Hut - $12,900,000,000. ...
Domino's Pizza - $8,000,000,000. ...
Papa John's Pizza - $3,000,000,000. ...
Little Caesars Pizza - $2,900,000,000. ...
Papa Murphy's - $785,630,000. ...
California Pizza Kitchen - $739,000,000. ...
Sbarro - $600,000,000.