The 2021 edition of the Firefly 500+ ranks and details the 500 largest restaurant chains in the United States, and explores all of the most important chain trends. Get in-depth analyses of the limited-service and full-service restaurant landscapes, including established, national foodservice brands and growth concepts in emerging segments. Put unit growth and sales volumes into context with valuable consumer insights from Datassential, generated by its leading data platforms Firefly, SCORES, BrandFingerprints, and PULSE.