ITT: Name local chain shops and see if any other anons are from where you're from or can guess where you're from.

Dunkin: Extremely popular breakfast chain, serves all manners of donuts, coffee and breakfast sandwiches.
Sip-N-Dip/Honey Dew Donuts: Smaller breakfast chains. Inspired by the popularity of Dunkin, they serve similar food.
Cumberland Farms: Convenience store/gas station combos which sell some kickass snacks.
Shaw's: Overpriced grocery stores
Seabra Foods: Grocery stores which specialize in Portuguese food (sadly they don't carry sopa de macaco)
Job Lot: Humongous stores which sell really cheap overstock. You can get great deals on stuff you never knew you needed.