Locations Sumter Office 669-A W. Wesmark Blvd.Sumter, SC 29150 (803) 775-5500 Office Hours:Monday – Friday: 7:30am – 5:00pm Rock Hill Office 2660 Celanese Rd.Rock Hill, SC 29732 (803) 329-1540 Office Hours:Monday – Friday: 7:30am – 5:00pm Fort Mill Office 929 Market St.Fort Mill, SC 29708 (803) 548-2428 Office Hours:Monday – Friday: 7:30am – 5:00pm