| Business | Phone |
| Alarm-Saf 65 Industrial Way # A, Wilmington 1887 | (978) 658-6717 |
| Analog Devices Inc 804 Woburn St, Wilmington 1887 | (978) 658-8930 |
| Axsys Technologies 600 Research Dr, Wilmington 1887 | (978) 658-1000 |
| Force Electronics Inc 58 Jonspin Rd, Wilmington 1887 | (978) 657-4870 |
| Cooper Power Systems Inc 5 Middlesex Ave # 20, Wilmington 1887 | (978) 988-5580 |
| Data Technology 260 Fordham Rd # J, Wilmington 1887 | (978) 694-0055 |
| Kemet Electronics Corp 66 Concord St, Wilmington 1887 | (978) 658-1663 |