| Business | Phone |
| Glc Data Research 8705 Alexandria Dr, North Charleston 29420 | (843) 552-8250 |
| Metalox International 7265 Peppermill Pkwy, North Charleston 29418 | (843) 552-7165 |
| Scientific Research Corp 7217 Peppermill Pkwy, North Charleston 29418 | (843) 767-3034 |