Simone Lang

Iwetec GmbH is a German company that offers a range of cleaning products and services. The private company is based in Fulda, Germany. The company's products include a skin-friendly hand cleaner, active foam for streak-free shine, portable battery work lights, and a one-component adhesive and register sealing compound. The company also provides repair and maintenance services, building site management, and a partner program with tailor-made special services. Iwetec was founded in 1989 by Wilhelm Lang, and the current CEOs are Claus Schmidt, Simone Lang, and Stephan Günther.

Wilhelm Lang GmbH & Co. KG is a German family-owned company that operates under the strategic roof of the langgroup, which includes companies such as Technolit, Iwetec, Hotrega, Tprosafe, Wilpeg, and Fronttool. The private company is based in Grossenluder, Germany and was founded in 1979. Since 1979, the company has been conducting active market research to better understand the requirements of its customers for products, solutions, and services. The CEOs are Wilhelm Lang and Simone Lang, who became a shareholder of the entire group of companies in October 2016.

Wilhelm Lang Verwaltungs GmbH provides management services. The private company is based in Grossenlueder, Germany. The CEOs are Simone Lang, Heribert Bertram. The German company was founded in 2012.

TECHNOLIT GmbH specializes in providing safety and health measures for its customers. TECHNOLIT is based in Grossenluder, DE and was founded in 1979 by Wilhelm Lang, who has been the CEO since then. The German company also offers digital invoicing services and values reliability and social engagement. TECHNOLIT is committed to ensuring the quality of its products and services, as well as their environmental impact. The private company provides customer service through its hotline and prioritizes customer satisfaction.