Now the article body.

BCG Matrix für Elektronik & Optik (WZ C26) in Köln: Portfolio-Strategie für den Mittelstand

Intro: Setting the scene. Cologne as a metropolis, high cost location, but strong talent pool. WZ C26 (Manufacture of computer, electronic and optical products) is not dominated by consumer giants anymore (Sony left years ago), but by specialized Mittelstand suppliers.