| Business | Phone |
| G & T Construction 79 Red Tip Ct, Hilton Head Island 29926 | (843) 681-2704 |
| Marine Tech Svc 141 Island Dr # 1, Hilton Head Island 29926 | (843) 681-6060 |
| Sea Island Marine Construction 23 Shelter Cove Ln # A, Hilton Head Island 29928 | (843) 842-7276 |