| Business | Phone |
| Admiralty Marine Surveyors Inc 887 Portabella Ln, Charleston 29412 | (843) 762-7176 |
| Blue Water Surveys 1739 Maybank Hwy, Charleston 29412 | (843) 559-2857 |
| Global Marine Svc 811 Savannah Hwy # 4, Charleston 29407 | (843) 769-4148 |
| Lucas & Brown Inc 198 E Bay St # 101, Charleston 29401 | (843) 577-5782 |