"Deutsche Bahn AG (IPA: [ˈdɔʏtʃə baːn]; abbreviated as DB or DB AG) is a German railway company. Headquartered in Berlin, it is a private joint-stock company (AG), ...
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with the Federal Republic of Germany being its single shareholder.
Deutsche Bahn describes itself as the second-largest transport company in the world, after the German postal and logistics company Deutsche Post / DHL, and is the largest railway operator and infrastructure owner in Europe. Deutsche Bahn was the largest railway company in the world by revenue in 2015. It carries about two billion passengers annually." - (en.wikipedia.org 15.11.2019)