The following organisations are members in BASTUN:
FH - Danish trade union confederationAC Akademikerne -Danish confederation of professional
LPSK - Lithuanian Trade Union ConfederationLPS "Solidarumas" - Lithuanian Trade Union "Solidarumas"
EAKL - Confederation of Estonian Trade UnionsTALO - Estonian Employees' Unions' Confederation
Unio - The Confederation of Unions for Professionals, NorwayLO - The Norwegian Confederation of Trade UnionsYS - Confederation of Vocational Unions
SAK - The Central Organisation of Finnish Trade UnionsSTTK - Finnish Confederation of Professionals
NPZZ Solidarnosc - Independent and Self-Governing Trade Union SolidarnoscOPZZ - The All-Poland Alliance of Trade UnionsFZZ - Trade Unions Forum
DGB - The Confederation of German Trade UnionsDGB Nord - The Northern Section of the DGB
FNPR - The Federation of Independent Trade Unions of RussiaKTR - Confederation of Labour of Russia
LBAS - Free Trade Union Confederation of Latvia
LO - The Swedish Trade Union ConfederationTCO - The Swedish Confederation of Professional EmployeesSaco - The Swedish Confederation of Professional Associations
The Belarusian Congress of Democratic Trade Unions (BKDP)