Rheinmetall | 439,047 followers on LinkedIn. TAKING RESPONSIBILITY IN A CHANGING WORLD. | As an integrated technology group, the listed company Rheinmetall AG, headquartered in Düsseldorf, stands for a company that is as strong in substance as it is successful internationally, and that is active in various markets with an innovative range of products and services. Rheinmetall is a leading international systems supplier in the defence industry and at the same time a driver of forward-looking technological and industrial innovations in the civilian markets. The focus on sustainability is an integral part of Rheinmetall's strategy.