| Business | Phone |
| Bricklayers 414 S Grant Ave, Springfield 65806 | (417) 869-7951 |
| Brotherhood-Railroad Signalmen 1824 S Valleyroad Ave, Springfield 65804 | (417) 882-6298 |
| Carpenter Apprentership 4639 W Phiffer Ct, Springfield 65803 | (417) 869-8930 |
| Carpenters District Council 4639 N Phiffer Ct, Springfield 65803 | (417) 831-2356 |
| Carpenters Union 642 N Boonville Ave, Springfield 65806 | (417) 862-7274 |
| Communications Workers-America 1918 E Meadowmere St, Springfield 65804 | (417) 863-7878 |
| Communications Workers-America 305 E Walnut St, Springfield 65806 | (417) 885-0033 |
| Ibew 2902 E Division St, Springfield 65803 | (417) 869-7251 |
| Ibew 300 S Jefferson Ave # 300, Springfield 65806 | (417) 831-1507 |
| International Association 1948 S Glenstone Ave # F, Springfield 65804 | (417) 883-3098 |
| International Brotherhood-Frmn 1043 W Kearney St, Springfield 65803 | (417) 869-2224 |
| International Union-Oper Engrs 1833 N Broadway Ave, Springfield 65803 | (417) 864-6889 |
| Laborers International Union 1700 S Campbell Ave # J, Springfield 65807 | (417) 869-2994 |
| Local 50 Svc Employee's Intl 1219 E Commercial St, Springfield 65803 | (417) 865-2016 |
| Ufcw 2200 E Sunshine St, Springfield 65804 | (417) 887-2072 |
| United Steelworkers Of America 2603 W Elm St, Springfield 65806 | (417) 864-7384 |
| United Steelworkers Of America 314 E Pershing St # G, Springfield 65806 | (417) 865-2859 |
| United Transportation Union 3856 W Chestnut Expy, Springfield 65802 | (417) 862-5459 |
| Teamsters Local Union 1850 E Division St, Springfield 65803 | (417) 866-7206 |
| Sheet Metal Workers 310 E Pershing St, Springfield 65806 | (417) 869-5214 |
| Sheet Metal Workers Local 146 3605 E Kearney St, Springfield 65803 | (417) 865-4210 |
| Sheetmetal Workers Training 3605 E Kearney St, Springfield 65803 | (417) 832-9636 |
| Plumbers & Steam Fitters 2501 W Grand St, Springfield 65802 | (417) 869-0633 |
| Painters Union 422 W Commercial St, Springfield 65803 | (417) 862-6217 |