| Business | Phone |
| Machine Cut Mellec 25 E Washington St, Chicago 60602 | (312) 641-6353 |
| Michael's Jewelry Studio 9 N Wabash Ave, Chicago 60602 | (312) 332-7444 |
| Midwest Finding Supplies Inc 29 E Madison St, Chicago 60602 | (312) 332-0232 |
| Youngs Brother 55 E Washington St 222, Chicago 60602 | (312) 782-1990 |
| R Steinmetz Us Ltd 5 S Wabash Ave 1606, Chicago 60603 | (312) 332-0990 |
| Tel Aviv Diamond 5 S Wabash Ave 705, Chicago 60603 | (312) 553-0940 |
| Victor's Gem Svc Co 5 S Wabash Ave 1302, Chicago 60603 | (312) 236-0635 |
| Julio C Perez Jeweler Repair 55 E Washington St A50, Chicago 60602 | (312) 263-5909 |