BDI - Bundesverband der Deutschen Industrie e.V. | 26,099 followers on LinkedIn. Spitzenverband der Deutschen Industrie | The Voice of German Industry | The BDI is the umbrella organisation of German industry and industry-related service providers. It represents 39 industrial sector federations and has 15 regional offices in the German federal states. The BDI speaks for more than 100,000 private enterprises employing around 8 million people.