From 1907 Koppers worked in the USA for some time, and in 1912 founded Koppers Inc in Chicago, Illinois, an industrial organization now based in Pittsburgh, Pennsylvania, United States.
The Villa Koppers, Moltkeplatz No. 61, the former residence of the industrialist Heinrich Koppers, now houses the International School Ruhr.
Heinrich Himmler | Heinrich Heine | Heinrich Schütz | Johann Heinrich Pestalozzi | Heinrich von Kleist | Heinrich Böll | Heinrich Isaac | Heinrich Marschner | Baron Hans Heinrich Thyssen-Bornemisza | Heinrich Mann | Heinrich Hertz | Heinrich Graetz | Heinrich Böll Foundation | Christian Heinrich Friedrich Peters | Wilhelm Heinrich Roscher | Johann Heinrich Lambert | Heinrich von Breymann | Heinrich Finck | Heinrich Zimmer | Heinrich Wilhelm Ernst | Heinrich Wilhelm Dove | Heinrich Wild | Heinrich von Bibra | Heinrich Schenker | Heinrich Nordhoff | Heinrich Leutemann | Heinrich Gustav Magnus | Ernst Heinrich Weber | Wilhelm Heinrich, Duke of Saxe-Eisenach | Wilhelm Heinrich |