| Business | Phone |
| Modern Sheet Metal Inc 1075 Southbridge St, Worcester 1610 | (508) 798-6665 |
| Lusignan Brothers Inc 31 Canterbury St, Worcester 1610 | (508) 757-0397 |
| J & R Sheet Metal 139 Water St, Worcester 1604 | (508) 755-5517 |
| J A Beriau & Sons Inc 111 Mckeon Rd, Worcester 1607 | (508) 756-1922 |
| William Morrill Assoc Inc 53 Hermon St, Worcester 1610 | (508) 756-2647 |
| Merrill Sheet Metal Co 50 Millbrook St, Worcester 1606 | (508) 757-4531 |
| Bonner Sheet Metal Corp 310 Sw Cutoff, Worcester 1604 | (508) 752-2460 |
| Lusignan Bros Inc 31 Canterbury St, Worcester 1610 | (508) 757-0397 |
| Chuck Walsh Hvac 177 Grafton St, Worcester 1604 | (508) 793-9653 |
| Restaurant Hoods & Ventilation 16 Whipple St, Worcester 1607 | (508) 770-0500 |
| Design Works 10 Ararat St, Worcester 1606 | (508) 854-0405 |
| Howard Products Inc 7 Brookfield St, Worcester 1605 | (508) 757-2440 |
| Ideal Sheet Metal Corp 13 Winter St, Worcester 1604 | (508) 799-2781 |
| George A Barnard Co 186 Prescott St, Worcester 1605 | (508) 755-5104 |