OPEIU Local 39 represents the following units:
- Credit Union National Association
- CUNA Mutual Group
- IBEW Local 965
- Madison Gas & Electric
- NECA-IBEW Joint Apprenticeship & Training
- North Central States Regional Council of Carpenters
- Sheet Metal Workers Local 565
- South Central Federation of Labor
- WI Electrical Employees Benefit Fund, LLC
- Aspirus Riverview Hospital and Clinics
- Connexus Credit Union
- ND Paper
- Corenso North America
- Domtar
- Verso Corporation
- Solarus
- Iron Workers Local 383
- North Central States Regional Council of Carpenters Training Fund
If you would like to organize a union at your workplace or for more information, call 608-257-4734.