| Business | Phone |
| American Federation Government 1900 E Main St, Danville 61832 | (217) 446-5304 |
| Uaw Local 2128 1000 Lynch Rd, Danville 61834 | (217) 446-9670 |
| Uaw Local 2419 1225 E Voorhees St, Danville 61834 | (217) 477-7000 |
| United Food & Commercial Wrkrs 915 N Michigan Ave, Danville 61834 | (217) 446-5159 |
| Teamsters Local Union #26 605 N Logan Ave, Danville 61832 | (217) 443-0356 |
| Danville Carpetners 915 N Vermilion St, Danville 61832 | (217) 442-0975 |
| Plumbers & Steamfitters 157 2100 Oakwood Ave, Danville 61832 | (217) 446-3300 |
| Local 347 Bctgm 1225 W Voorhees St, Danville 61832 | (217) 443-6690 |
| National Assn-Letter Carriers 504 Chandler St, Danville 61832 | (217) 442-7677 |
| Ibew 1290 N Michigan Ave, Danville 61834 | (217) 442-0996 |
| Independent Lift Truck Bldrs 1022 E Fairchild St, Danville 61832 | (217) 446-1011 |
| Local 1271 Civic Ctr 1225 E Voorhees St, Danville 61834 | (217) 431-0469 |