| Business | Phone |
| A P Solutions 137 Harts Ln, Simpsonville 29681 | (864) 967-0981 |
| Leigh Engineering Inc 3100 Grandview Dr, Simpsonville 29680 | (864) 963-7100 |
| Miller Consulting Svc Inc Simpsonville 29681 | (864) 962-0404 |
| Rostek 109 Briarwood Dr, Simpsonville 29681 | (864) 963-7988 |