| Business | Phone |
| Wilmar Industries Worcester 1604 | (508) 752-2547 |
| Worcester Winnelson 134 Gold St, Worcester 1608 | (508) 752-2767 |
| Webstone Co Inc 1 Appian Way, Worcester 1610 | (508) 852-5700 |
| Barnett Brass & Copper Co 40 Ballard St # A, Worcester 1607 | (508) 795-7600 |
| K & N Supply Plumbing & Htg 159 Water St, Worcester 1604 | (508) 791-1467 |
| D H Adams Co 100 Thomas St, Worcester 1608 | (508) 753-1491 |
| R & R Plumbing Supply Corp 170 Chandler St, Worcester 1609 | (508) 757-4543 |
| Granite Group 12 E Worcester St, Worcester 1604 | (508) 755-6121 |