Johannes Lindemann

Stadtwerke Bielefeld GmbH engages in the supply and distribution of electricity, water, gas, and district heating. The company was founded in 1856 and is headquartered in Bielefeld, Germany.

Bielefeld-Gütersloh Wind GmbH & Co. KG is a wind energy company based in Bielefeld, Germany. Bielefeld-Gütersloh Wind GmbH & Co. KG generates wind electricity and is ultimately controlled by the City of Bielefeld. The German company was founded in 2015 and is led by CEO Friedhelm Rieke.

moBiel GmbH operates the city's tram and serves the bus lines in Bielefeld, DE. The German company aims to further develop the mobiel you app based on user feedback. The company also offers bike rentals through their meinSiggi service, which is available at stations in the city center and near the university. The company is ultimately controlled by the City of Bielefeld. The CEO of the company is Martin Uekmann.

BITel Gesellschaft für Telekommunikation mbH is a telecommunications company based in Gütersloh, Germany. BITel offers solutions for various businesses to optimize and accelerate their telecommunications. The German company provides regional fiber-optic tariffs, fixed connections, and data center services to connect people with the internet and telephone in Gütersloh, Halle/Westf., Oerlinghausen, Rietberg-Varensell, Steinhagen, Verl, and Werther. The company is ultimately controlled by the City of Bielefeld. The company was founded in 1997 and is led by CEO Josef Glöckl-Frohnholzer.