| Business | Phone |
| Marcol Dredging Co 5639 Attaway Ave, North Charleston 29406 | (843) 747-2177 |
| Marinex Construction Co Inc 2008 Cherry Hill Ln, North Charleston 29405 | (843) 722-9083 |
| Southern Dredging Co 2007 Cherry Hill Ln, North Charleston 29405 | (843) 559-7500 |