| Business | Phone |
| Adi 78 Olympia Ave, Woburn 1801 | (781) 994-5300 |
| Astrex Inc 444 Washington St # 306, Woburn 1801 | (781) 937-4955 |
| Bur-Tronics Telecommunication 185 New Boston St, Woburn 1801 | (781) 938-9244 |
| Edge Electronics Inc 10 Tower Office Park, Woburn 1801 | (781) 376-1551 |