| Business | Phone |
| C & C Machine 78 Progress Ave, Tyngsboro 1879 | (978) 649-0285 |
| Precision Technologies Inc 42 Westech Dr, Tyngsboro 1879 | (978) 649-8715 |
| Eastmar Inc 100 Business Park Dr, Tyngsboro 1879 | (978) 649-1904 |
| M-Tech 67 Westech Dr, Tyngsboro 1879 | (978) 649-4563 |