Alphabetical listing of popular business hours in Clarks Summit:
- Ace Hardware
- Advance Auto Parts
- Burger King
- Carquest Auto Parts
- Citizens Bank
- Curves
- CVS Pharmacy
- Dunkin Donuts
- Exxon Mobil
- First National Bank
- Friendly's
- Hallmark
- Krispy Kreme Doughnuts
- McDonald's
- Moe's Southwest Grill
- Pizza Hut
- PNC Bank
- Quiznos Sub
- Radio Shack
- Rite Aid Pharmacy