It All Started... in Sudbury, Ontario, in 1980 when we opened our first Casey's restaurant. Since then, we have grown to over 160 restaurants that operate under five brand names across Canada franchised by Prime Restaurants Inc. including Casey's (Est. 1980), Pat & Mario's (Est. 1982), East Side Mario's (Est. 1987), Prime Pubs (Est. 1996), the Bier Markt (Est. 1998), and Prime Pubs of America (Est. 2006). more... See more text