With over 19,000 locations worldwide, this multinational fast-food chain is known for its signature flame-grilled burgers and a diverse menu catering to different global markets.

This American fast-casual restaurant chain, known for its Chicago-style hot dogs, Italian beef, and Polish sausages, has over 75 locations across multiple U.S. states.

With over 38,000 locations across more than 100 countries, this American multinational fast-food chain built its reputation on quick service and affordability. However, drive-thru congestion and outdated menu boards created bottlenecks that slowed operations and impacted revenue.