| Business | Phone |
| Valenti Electronics 424 Main St, Wilmington 1887 | (978) 658-3700 |
| Urs Information Systems Inc 155 West St, Wilmington 1887 | (978) 657-6100 |
| Maintech 187 Ballardvale St # 190, Wilmington 1887 | (978) 658-1501 |
| North Shore Data Svc 240 Ballardvale St, Wilmington 1887 | (978) 988-0201 |