| Business | Phone |
| Asr Communications 3801 Rivers Ave, North Charleston 29405 | (843) 529-0990 |
| Commvergence Inc 2179 Ashley Phosphate Rd # A, North Charleston 29406 | (843) 552-7878 |
| Trident Communications 5101 Ashley Phosphate Rd, North Charleston 29418 | (843) 552-1345 |
| Voice&Data.Com 3973 Ashley Phosphate Rd, North Charleston 29418 | (843) 207-0602 |