DGB
German Trade Union
Confederation
GEW
Education and
Science Union
IG BAU
Industrial Union
Construction-Agriculture-Environment
IG BCE
Industrial Union for Mining,
Chemicals,and Energy
IGM
Industrial Union
Metalworkers
NGG Gewerkschaft
Food Service Union
Restaurants and Catering Union
ReTraNetz-BB
Regional
Transformation Network
ver.di
United
Services Union