| Business | Phone |
| Amalgamated Transit 987 Oak Ave, Aurora 60506 | (630) 264-6844 |
| American Postal Workers Union 3900 Gabrielle Ln, Aurora 60598 | (630) 820-1094 |
| Painters & Allied Trade Dist 2175 Rochester Dr, Aurora 60506 | (630) 966-1451 |
| Labor Ready Inc 77 S River St, Aurora 60506 | (630) 892-6280 |
| Laborers International Union 2418 W Indian Trl, Aurora 60506 | (630) 907-1674 |
| Ibew 1885 N Farnsworth Ave 8, Aurora 60505 | (630) 820-3950 |
| Ibew 54 Raven Dr, Aurora 60506 | (630) 264-9745 |
| Ibew 591 Sullivan Rd # 100, Aurora 60506 | (630) 897-7264 |
| International Assoc-Machinists 412 Hankes Ave, Aurora 60505 | (630) 896-7756 |
| Iron Workers 1901 Selmarten Rd, Aurora 60505 | (630) 585-1600 |