Dirk Giersiepen

Insta GmbH develops and fabricates modules, components and systems for the lighting industry, for intelligent electric installation of buildings and other fields. Insta offers a wide range of high-quality, economic serial products in the field of lighting electronics. They are constantly working on customer-specific solutions, with regard to development, fabrication and even customer-requested packaging. The company was founded in 1970 and is headquartered in Lüdenscheid, Germany.

Gira Giersiepen GmbH & Co. KG engages in the provision of electrical installation services. It offers sockets, light control, switch programs, heating and air conditioning, safety, entertainment, and door intercom. The company was founded by Richard Giersiepen and Gustav Giersiepen on August 1, 1905 and is headquartered in Radevormwald, Germany.