| Business | Phone |
| N F Laurence & Assoc Inc 113 W Main St, Northborough 1532 | (508) 393-3654 |
| Miller Engineering & Testing 130 E Main St, Northborough 1532 | (508) 393-2607 |
| Woodcock & Assoc Inc 18 Increase Ward Dr, Northborough 1532 | (508) 393-3337 |
| Aspen Aerogels 30 Forbes Rd, Northborough 1532 | (508) 691-1111 |
| Titan Systems 300 W Main St, Northborough 1532 | (508) 393-6959 |
| Power Delivery Consultants 56 Juniper Brook Rd, Northborough 1532 | (508) 845-1335 |