| Business | Phone |
| Adminicle Technologies Andover 1810 | (978) 475-6745 |
| Alfa Tele-Communications 167 Woburn St, Andover 1810 | (978) 475-2900 |
| Applied Micro Circuits Corp 200 Minuteman Rd # 3, Andover 1810 | (978) 247-8000 |
| Enterasys Networks Inc 50 Minuteman Rd, Andover 1810 | (978) 684-1000 |