Slippery Rock Auto Sales 372 Grove City Rd Slippery Rock, PA 16057 Phone : (724) 794-6555 Business Category Automobile Dealers-New/Used Automobile Dealers-Used Business Center Mobile Notary 372 Grove City Rd Slippery Rock, PA 16057 Phone : (724) 794-6555 Business Category Office Supplies Seals Notary & Corporation Business Services Stationery & office supplies Notaries-Public