| Business | Phone |
| Acoustikos Inc 1400 Route 28a, Cataumet 2534 | (508) 563-1015 |
| Seaver Engineering 78 Scraggy Neck Rd, Cataumet 2534 | (508) 564-4404 |
| Oceanstar Systems Po Box 768, Cataumet 2534 | (508) 564-6500 |
| Deep Sea Systems Intl 1130 Route 28a, Cataumet 2534 | (508) 540-6732 |
| Mooring Systems Inc 1227 Route 28a, Cataumet 2534 | (508) 564-4770 |
| Falmouth Scientific Inc 1400 Route 28a, Cataumet 2534 | (508) 563-7416 |