| Business | Phone |
| Williamstown House - Local 1095 Main St, Williamstown 1267 | (413) 458-2160 |
| A Radio Voodoo 160 Water St, Williamstown 1267 | (413) 458-1200 |
| Venator Inc 260 Nw Hill Rd, Williamstown 1267 | (413) 458-5993 |
| Village Ventures 430 Main St, Williamstown 1267 | (413) 458-1100 |
| Spruces 60 Main St, Williamstown 1267 | (413) 458-8104 |
| Strange Wm P 1544 Hancock Rd, Williamstown 1267 | (413) 458-3076 |
| Broude Brothers Ltd 141 White Oaks Rd, Williamstown 1267 | (413) 458-8131 |
| Cbi Inc 311 Main St, Williamstown 1267 | (413) 458-5766 |
| Douglas M Queen Inc 152 Blair Rd, Williamstown 1267 | (413) 458-8364 |
| Ejm Enterprises 896 N Hoosac Rd, Williamstown 1267 | (413) 458-3403 |
| Overland Travel Inc 63 Spring St, Williamstown 1267 | (413) 458-9672 |
| Hancock Transfer Station 2441 Hancock Rd, Williamstown 1267 | (413) 597-9882 |