| Business | Phone |
| Afscme Local 424 631 State St, Chester 62233 | (618) 826-3193 |
| Afscme-Psp 2204 State St, Chester 62233 | (618) 826-3056 |
| American Federation-State Empl 623 State St, Chester 62233 | (618) 826-4611 |
| Carpenters 651 State St, Chester 62233 | (618) 826-3663 |