| Business | Phone |
| Alton Ibew Neca Health Po Box 467, Wood River 62095 | (618) 254-3901 |
| Carpenters 277 E Madison Ave, Wood River 62095 | (618) 251-5177 |
| International Union-Oper Engrs 24 E Ferguson Ave, Wood River 62095 | (618) 254-6441 |
| Laborers International Union 47 W Ferguson Ave, Wood River 62095 | (217) 999-4050 |