COMPAGNIE DE SAINT-GOBAIN Saint-Gobain belongs to the hundred biggest industrial groups of the world and is worldwide leading in the production of glass, high-capacity materials and building products.
PHILIPS Glühlampenwerk Aachen Philips is a worldwide leading enterprise in the development, production and distribution of Illuminates.
AIXTRON AG AIXTRON is the worldwide leading manufacturer of the MOCVD-equipment for the production of connecting semiconductors.