t-online.de

t-online.de is owned by Ströer SE & Co. KGaA, headquartered in Germany. No. The ultimate owner of t-online.de, Ströer SE & Co. KGaA, is headquartered in Germany, not in the United States.

Ströer is a leading German out-of-home advertiser and digital media company, specializing in billboard advertising and online publishing.

Ströer Digital Publishing GmbH