Achim Biergans

AggerEnergie GmbH provides environmentally friendly electricity, gas, and water to the region while also supporting social projects. AggerEnergie is based in Gummersbach, DE and ultimately controlled by the City of Cologne. The German company offers reliable natural gas at fair prices for businesses and commercial customers, including small and medium-sized enterprises, industries, and associations. The company encourages customers to switch to regional electricity and become active participants in the energy transition. The company was founded in 1926, and the CEOs are Frank Röttger and Uwe Töpfer.

BELKAW GmbH provides electricity, water, and gas to corporate and private customers. The company was founded on April 1, 1914 and is headquartered in Bergisch Gladbach, Germany.