- UNI Global Union (UNI)
- IndustriALL Global Union
- International Federation of Journalists (IFJ)
- Public Services International (PSI)
- Building and Wood Workers' International (BWI)
- International Transport Workers' Federation (ITF)
- International Union of Food, Agricultural, Hotel, Restaurant, Catering, Tobacco and Allied Workers' Associations (IUF)
- Education International (EI)
- European Trade Union Confederation (ETUC)
- Korea Labor and Employment Service (KLES)
