| Business | Phone |
| Associated Naval Architects 3400 Shipwright St, Portsmouth 23703 | (757) 484-5320 |
| Builder Marine Llc 50 Beechdale Rd, Portsmouth 23702 | (757) 558-0551 |
| Earl Industries 2 Harper Rd, Portsmouth 23707 | (757) 393-3000 |
| Earl Industries Llc 2 Harper Rd, Portsmouth 23707 | (757) 397-1039 |
| Earl Industries Llc 3132 Victory Blvd, Portsmouth 23702 | (757) 558-0782 |
| Pacord 826 Mt Vernon Ave, Portsmouth 23707 | (757) 543-9060 |
| Kapl Inc Rpco-Nnsy 1500 Mailroom, Portsmouth 23709 | (757) 397-4460 |