| Business | Phone |
| Soucy Industries Inc 250 Mount Vernon St, Lowell 1854 | (978) 452-4221 |
| Martin Welding Northeast Inc 731 Dutton St, Lowell 1854 | (978) 459-0567 |
| Scannell Boiler Works 50 Tanner St, Lowell 1852 | (978) 454-5629 |
| Lowell Iron & Steel Co 50 Tanner St, Lowell 1852 | (978) 458-8476 |