Koco was a German small-car manufacturer based in Erfurt, active in the early 1920s. The company originated as Kleinauto- und Motorenwerke Koch & Co. between 1921 and 1922, before being reorganized as Koco-Werke GmbH, Erfurter Kleinauto- und Motorenbau, a name it carried from 1922 until 1926. Compared with many of the short-lived German small car makers of the period, Koco achieved a somewhat longer production run, which was attributed to…