| Business | Phone |
| Litton Marine Systems Canada 687 Water St, St John's A1E 1B5 | (709) 576-6225 |
| Notus Electronics 40 O'Leary Ave, St John's A1B 2C7 | (709) 753-0652 |
| Rutter Technologies Inc 70 Brookville Rd, St John's A1C 5K4 | (709) 368-4213 |
| Canadian Centre-Marine Comms 155 Ridge Rd, St John's A1B 3N9 | (709) 579-4872 |