Oliver Wittmann

Siegwerk Druckfarben AG & Co. KGaA manufactures and distributes printing ink for packaging applications ad labels. Its products and solutions include flexible packaging, tobacco packaging, paper and board, sheetfed, print media, liquid food packaging, digital printing and plastic tubes. The firm also offers consulting, technical support, trainings, troubleshooting guides, and digital services. The company was founded by Christian Gottlieb Rolffs in 1824 and is headquartered in Siegburg, Germany.

Siegwerk Verwaltung GmbH provides administration and management services. The private company is based in Siegburg, Germany. The CEOs are Ralf Hildenbrand, Oliver Wittmann, Jan Christian Breitkopf, Nicolas Wiedmann. The German company was founded in 1992.

Siegwerk Backnang GmbH is a private company that supplies printing inks and coatings for offset, UV offset, and sheet-fed offset. The company is based in Backnang, Germany. The German company aims to increase the performance of packaging by providing simpler processes to reduce complexity through their digital services. The CEOs of the company are Herbert Forker and Jan Christian Breitkopf.

The Inventux Technologies AG is a solar energy company which launched Europe's first time ever full-scale production for micromorph thin-film modules last December. They are specialised in the development, production and marketing of environmentally friendly, silicon-based thin-film solar modules. Its proprietary micromorph tandem-technology simplifies the production process of photovoltaic modules and has great potentials to boost efficiency. Its objective is to become a world leader in the production of cost-efficient thin-film photovoltaic modules through industrial-scale production geared to market growth.