| Business | Phone |
| Lansing Foundry Inc 7725 S South Chicago Ave, Chicago 60619 | (773) 721-3685 |
| Leitelt Brothers 7721 S South Chicago Ave, Chicago 60619 | (773) 721-1186 |
| Universal Electric Foundry Inc 1523 W Hubbard St, Chicago 60622 | (312) 421-7233 |
| Nelson-Harkins Industries 5301 N Kedzie Ave, Chicago 60625 | (773) 478-0059 |
| Louis Meskan Aluminum & Brass 2000 N Parkside Ave, Chicago 60639 | (773) 237-7662 |