| Business | Phone |
| Aromat Corp 5 Mount Royal Ave, Marlborough 1752 | (508) 464-3550 |
| Taitron Components Inc 10 Broadmeadow St, Marlborough 1752 | (508) 786-1500 |
| Future Wave Technologies Inc 133 E Main St, Marlborough 1752 | (508) 460-3300 |
| Concord Electric Supply Ltd 72 Cedar Hill St, Marlborough 1752 | (508) 786-0007 |
| Powell Electronics Inc 4 Mount Royal Ave # 210, Marlborough 1752 | (508) 481-7575 |