20 Most Profitable Fast-Food Chains Fast-food chains are now becoming more famous than ever among people of every age. This fondness can be attributed to the fact that almost all fast-food restaurants today harmonize with the audience’s demands. This is why the fast-food industry generates $570 billion annually, and the market is expected to touch the mammoth number of $931 billion by 2027. Amid the COVID-19 crisis, the restaurant industry is moving away from the dine-in facilities and embracing the idea of drive-thrus and takeaways. Due to coronavirus-related lockdowns, the loss in busin...