| Business | Phone |
| Teamsters Local Union 1609 N Illinois St, Belleville 62226 | (618) 233-0313 |
| Intl Brotherhood-Boilermakers 2358 Mascoutah Ave, Belleville 62220 | (618) 234-8843 |
| Bricklayers 712 Sherman St, Belleville 62221 | (618) 234-5340 |
| Southwestern Laborers Annuity 100 N 17th St, Belleville 62226 | (618) 277-8522 |
| Carpenters 2290 S Illinois St, Belleville 62220 | (618) 277-2033 |
| Communications Workers-America 110 N High St 7, Belleville 62220 | (618) 233-0766 |
| Laborers International Union 100 N 17th St, Belleville 62226 | (618) 233-4121 |
| Plumbers & Fitters 137 Iowa Ave, Belleville 62220 | (618) 234-5504 |
| National Association-Govt 14 Park Pl, Belleville 62226 | (618) 236-9781 |
| Meat Cutter 5010 W Main St, Belleville 62226 | (618) 235-6534 |