| Business | Phone |
| South Carolina Army Natl Guard 7220 Cross County Rd, North Charleston 29418 | (843) 767-4163 |
| Us Army Reserve School 3294 Ashley Phosphate Rd, North Charleston 29418 | (843) 552-5054 |
| Us Coast Guard Vessel Support 1050 Register St, North Charleston 29405 | (843) 554-5670 |
| Us Navy Dept 1050 Remount Rd, North Charleston 29406 | (843) 743-0353 |
| Us Navy Dept 2155 Eagle Dr, North Charleston 29406 | (843) 820-5671 |
| Us Navy Public Works 155 Eagle Dr, North Charleston 29406 | (843) 764-7845 |