Keep reading to find out the top 6 US restaurant chains we'd like to see come to Canada asap. CHICK-FIL-A. chickfila. 1.8M followers. View profile. ... IN-N-OUT BURGER. cathygonzaga. In-N-Out Burger. View profile. ... SHAKE SHACK. shakeshack. 817K followers. ... PORTILLO'S. chieats. Portillo's. ... CALIFORNIA PIZZA KITCHEN. cpk. 52.5K followers.