- AFL-Cio
- Asbestos Workers Local 1
- Automotive Lodge 777
- Cement Masons Union
- Communications Workers-America
- Eastern Mo Laborers Dist Cncl
- Hoisting Engineers Pension
- International Assoc-Machinists
- International Union-Oper Engrs
- Laborers International Union
- Local 513 Fringe Benefit
- Office & Pro Employees Intl
- Production Lodge 1345
- Progressive Lodge 41
- St Louis Labor Council
- Transport Workers Union Local
- USWA-Abg Div
