Christian Garke

Bien-Zenker GmbH is a holding company, which develops and produces prefabricated houses. The firm specializes in the design, construction, and marketing of prefabricated houses of various sizes and architectural styles. Its product portfolio encompasses single-family and two-family dwellings, multi-family houses, bungalows, row houses, apartments, duplexes, maisonettes, and townhouses. It also provides construction design, home automation, and consulting services. The company was founded by Heinrich Bien in 1906 and is headquartered in Schluechtern, Germany.

Bien-Zenker Holding GmbH provides business and economic services. The private company is based in Schlüchtern, Germany. The CEOs of the German company are Marco Hammer, Christian Garke.

Oikos Group GmbH is one of the largest prefabricated house manufacturers in Germany. The company is based in Schluechtern, Germany, and has subsidiaries in Germany. The German company focuses on sustainable, modern, and high-quality construction. Oikos Group values building in a community with shared values. The CEOs of the company are Marco Hammer, Christian Garke, Marcus D'Agostino.