3682 - Confidential / Buildings In Use Offices and Administriative Buildings / Location: Hannover
4609 - Confidential / Certificate: Silver / Buildings In Use Offices and Administriative Buildings / Location: Berlin
4636 - Confidential / Certificate: Gold / Buildings New Construction Offices and Administriative Buildings / Location: Berlin
5802 - Confidential / Certificate: Gold / Buildings Renovation Offices and Administriative Buildings / Location: Bonn
5747 - Confidential / Certificate: Silver / Buildings Offices and Administriative Buildings / Location: Berlin

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