| Business | Phone |
| W J Young Fastener & Machinery 30 6th Rd, Woburn 1801 | (781) 939-7202 |
| Watertown Iron Works Inc 47 Henshaw St, Woburn 1801 | (617) 924-4285 |
| Metrick Manufacturing Co 142 Bedford Rd, Woburn 1801 | (781) 935-1331 |
| Delta Steel Joist 80 Main St, Woburn 1801 | (781) 937-0053 |