Deutsche Immobilien Holding AG is a German real estate company. It is principally engaged in development of high-class house buildings and low-risk commercial project planning. The Company divides its activities into four main business segments: Residential Building, Industrial Building, Administration/Provision/Services and Fund Concept/Management. The segments Residential Building and Industrial Building concentrate on marketing as well as renting of portfolio objects, and include real estate project management. Administration/Provision/Services segment is active in the area of property management and facility management services. Fund Concept/Management comprises the conception, management and sale of funds. Deutsche Immobilien Holding AG operates through numerous wholly owned and majority owned subsidiaries as well as affiliated companies, including Zech Immobilien Management GmbH, Zech Immobilien GmbH and Grundstuecksverwaltungsgesellschaft Steubenstrasse mbH, among others