| Business | Phone |
| Afl-Cio 3301 Hollenberg Dr, Bridgeton 63044 | (314) 291-4047 |
| Automotive Lodge 777 12365 Saint Charles Rock Rd, Bridgeton 63044 | (314) 739-6217 |
| United Steel Workers 3362 Hollenberg Dr, Bridgeton 63044 | (314) 739-2225 |
| Transport Workers Union Local 3456 Mckelvey Rd, Bridgeton 63044 | (314) 291-5290 |
| St Louis Labor Council 3301 Hollenberg Dr, Bridgeton 63044 | (314) 291-8666 |
| Progressive Lodge 41 12365 Saint Charles Rock Rd, Bridgeton 63044 | (314) 739-5307 |
| Laborers International Union 12891 Pennridge Dr, Bridgeton 63044 | (314) 209-0220 |
| International Association-Mach 12365 Saint Charles Rock Rd, Bridgeton 63044 | (314) 739-4274 |
| Eastern Mo Laborers Dist Cncl 3450 Hollenberg Dr, Bridgeton 63044 | (314) 739-7270 |
| Cement Masons Union 3341 Hollenberg Dr, Bridgeton 63044 | (314) 739-1129 |