| Business | Phone |
| Hunter's Marine Construction 2000 Bennett Point Rd, Queenstown 21658 | (410) 827-0487 |
| M & M Marine Construction 154 Greenwood Crk, Queenstown 21658 | (410) 827-4977 |
| Smith Marine Constr & Sons 648 Del Rhodes Ave, Queenstown 21658 | (410) 827-9167 |