| Business | Phone |
| Techsoft Engineering Svc Div 12 Alfred St # 300, Woburn 1801 | (781) 897-1770 |
| Bayside Engineering Inc 600 Unicorn Park Dr, Woburn 1801 | (781) 932-3201 |
| Grs Assoc Engrg & Design 4 Emeline St, Woburn 1801 | (781) 491-0706 |
| Dainippon Screen Engineering 12 Gill St # 2150, Woburn 1801 | (781) 937-0900 |
| High Resolution Engineering 214 W Cummings Park, Woburn 1801 | (781) 932-1912 |
| Innovations In Optics Inc 10 Tower Office Park # 100, Woburn 1801 | (781) 933-4477 |
| Interstate Engineering 3 Cove St, Woburn 1801 | (781) 938-7004 |