#3 on the Franchise 500: Sonic Drive-In Looks to the Future Posted byMatthew McCreary January 15, 2019 Leave a comment on #3 on the Franchise 500: Sonic Drive-In Looks to the Future The #3 company on our Franchise 500 list may be built on the idea of nostalgia, but a new wave of tech-focused initiatives is laying a strong foundation for years to come.