- American Postal Workers Union
- American Postal Workers Union
- Bricklayers Benefit Funds
- Bricklayers Benefit Funds
- Carpenters Local Union No 183
- Carpenters Local Union No 183
- International Union-Oper Engrs
- Iron Workers Local
- Plumbers Local Union 63
- United Auto Workers
- United Auto Workers
- United Auto Workers-America
- United Auto Workers-America
- United Automobile Workers
- United Automobile Workers
