- Carpenters
- Central Ark Labor Council
- Central Arkansas UAW
- Chauffeurs & Teamsters Local
- Firefighters Local 34
- IBEW
- IBEW
- International Assoc-Machinists
- International Union-Oper Engrs
- International Union-Oper Engrs
- Intl Brotherhood-Boilermakers
- Laborers International Union
- Little Rock Electrical Joint
- Little Rock Stage Group Inc
- Plumbers & Pipefitters Joint
- United Food & Commercial Wrkrs
