Stacker examined PMQ Pizza Magazine's 2025 Pizza Power report to round up the 30 biggest pizza chains nationwide based on ...

Pizza has been a staple of the American diet since the late 19th century and has grown into a multibillion-dollar industry.

Ledo has innovative pizzas, like turkey bacon ranch, buffalo chicken, and cauliflower-crust pizzas ... the largest pizza chains in the country by number of locations is Pizza Hut.