StrÃ¶er SE & Co. KGaA is a multi-channel media company that offers individualized communication solutions. It operates through the following segments: StrÃ¶er Digital, OOH Deutschland, and OOH International. The StrÃ¶er Digital segment provides digital advertising spaces in the internet, on mobile terminals, and in the public area as public video network. The OOH Deutschland segment offers advertising services such as street furniture, billboard, and transport. The OOH International comprises outdoor advertising and blowUP media. The company was founded by Udo MÃ¼ller and Heinz W. StrÃ¶er in 1990 and is headquartered in Cologne, Germany.