T-mobile Austria GMBH
Ownership
T-mobile Austria GMBH is ultimately owned by Deutsche Telekom .
Also owned by Deutsche Telekom
T-Home 
Ben NL 
Crnogorski Telekom Similar companies
In Mobile Networks, under different ownership.
Sources
- T-Mobile Austria GmbH — GLEIF
Who really owns the brands you use
T-mobile Austria GMBH is ultimately owned by Deutsche Telekom .
In Mobile Networks, under different ownership.