| Business | Phone |
| National Assn-Letter Carriers 600 N Neil St, Champaign 61820 | (217) 355-7838 |
| Teamsters Organization 908 N Neil St, Champaign 61820 | (217) 352-2236 |
| Union-Professional Employees 1001 S Wright St, Champaign 61820 | (217) 337-5986 |
| Sheet Metal Workers 605 N Country Fair Dr, Champaign 61821 | (217) 356-3653 |
| Team 1319 N Mattis Ave, Champaign 61821 | (217) 352-3517 |
| Ibew 3301 Boardwalk Dr, Champaign 61822 | (217) 352-1741 |
| Plasterers & Cement Masons 3301 Boardwalk Dr, Champaign 61822 | (217) 356-9313 |
| Roofers 3301 Boardwalk Dr, Champaign 61822 | (217) 359-3922 |