Alphabetical listing of popular business hours in Smithtown:
- 7-Eleven
- Ace Hardware
- Avis Rent A Car
- Bank Of America
- Baskin-Robbins
- Beltone Hearing Aid Ctr
- Blockbuster Video
- Boston Market
- Burger King
- Capital One Bank
- Carrabba's Italian Grill
- Chase Bank
- Country Kitchen
- CVS Pharmacy
- Domino's Pizza
- Dunkin Donuts
- Exxon Mobil
- Famous Dave's
- Friendly's
- GNC
- Hertz Rent A Car
- Leslie's Pool Supplies
- Longs Drug
- McDonald's
- Meineke Car Care Ctr
- Monro Muffler Brake & Svc
- NAPA Auto Parts
- Payless Shoe Source
- Penske Truck Rental
- People's United Bank