| Business | Phone |
| Buford L Hinson Pe 1022 College Avenue Ext, Rock Hill 29732 | (803) 817-7649 |
| Wiedeman & Singleton Inc 131 E Main St # 300, Rock Hill 29730 | (803) 329-2944 |
| Fisher-Sherer Inc Engineers 2051 Ebenezer Rd, Rock Hill 29732 | (803) 327-1232 |
| Ralph Whitehead Assoc 454 S Anderson Rd # 135, Rock Hill 29730 | (803) 980-4970 |