Erwin Hauser

Ebert HERA Esser Holding GmbH operates as a holding company with interests in providing industrial consulting and technical support. The firm's service areas encompass industrial service support, systems installation, pipeline construction and development, systems management, administration, consulting, and systems testing and monitoring. It focuses on addressing client businesses' certification, maintenance, project management, quality management, and systems documentation. The company was founded in 1949 and is headquartered in Baden-Baden, Germany.

equinet Bank AG provides investment banking services. The firm acts as a broker, trade stocks, derivatives and fixed-income securities on behalf of German and foreign banks, investment companies, insurers and investment fund companies. The company was founded by Lutz Weiler in 1999 and is headquartered in Frankfurt, Germany.