Siegfried L. Drüker

Stego Vermögensverwaltungs GmbH is a private company based in Hamburg, Germany. The CEOs of the German company are Siegfried L. Drüker, Anne-Marie Großmann. The company provides investment services.

Georgsmarienhütte Holding GmbH operates as a renewables and environment company. It focuses on the mobility, energy, and engineering industries. The company was founded by Jürgen Grossmann on October 1, 1997 and is headquartered in Georgsmarienhuette, Germany.

Georgsmarienhütte GmbH manufactures steel products. It offers crude steel, semi-fabricated steel, steel bars, and blank steel. The company was founded in 1856 and is headquartered in Georgsmarienhutte, Germany.

Drueker & Co. GmbH & Co. KG provides investment banking services. It involves with large-scale business transactions, including mergers & acquisitions, spinoffs, privatization, sale of real estate portfolios and venture capital. It operates on both national and international levels, in a variety of industries. Its portfolio of international clients includes major companies, financial investors and governmental agencies. Its clients include companies from the USA, Canada, Belgium, Switzerland, the United Kingdom, Sweden, Italy, France and South Africa. The company was founded in 1989 and is headquartered in Frankfurt am Main, Germany.