| Business | Phone |
| C K Home Plan Svc 2 Office Park Ct # 202, Columbia 29223 | (803) 788-3482 |
| Hammett Drafting Columbia 29212 | (803) 407-4595 |
| Owen Planning Svc 6610 Nursery Rd, Columbia 29212 | (803) 749-0979 |
| Richard Mock Designs 1237 Gadsden St, Columbia 29201 | (803) 254-9713 |
| Richard Mock Designs 2308 Gadsden St, Columbia 29201 | (803) 254-9713 |