| Business | Phone |
| Add On Data 323 Andover St, Wilmington 1887 | (978) 988-1900 |
| Agilent Technologies Inc 200 Research Dr, Wilmington 1887 | (978) 988-9684 |
| Central Computer 400 Research Dr, Wilmington 1887 | (978) 658-3456 |
| Kentron Technologies Inc 155 West St, Wilmington 1887 | (978) 988-5550 |