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 | | Drees & Sommer SE | Stuttgart, München, Frankfurt am Main, Berlin, Köln, Hamburg |
 | | Ed. Züblin AG | Berlin |
 | | Drees & Sommer SE | Frankfurt, Hamburg, Berlin, Stuttgart, Köln, Karlsruhe, Mainz |
 | | B.B.S. Bauer's Buildings Services GmbH | Berlin |
 | | B.B.S. Bauer's Buildings Services GmbH | Berlin |
 | | B.B.S. Bauer's Buildings Services GmbH | Berlin |
 | | B.B.S. Bauer's Buildings Services GmbH | Berlin |
 | | B.B.S. Bauer's Buildings Services GmbH | Berlin |
 | | B.B.S. Bauer's Buildings Services GmbH | Berlin |
 | | B.B.S. Bauer's Buildings Services GmbH | Berlin |
 | | B.B.S. Bauer's Buildings Services GmbH | Berlin |
 | | B.B.S. Bauer's Buildings Services GmbH | Berlin |
 | | B.B.S. Bauer's Buildings Services GmbH | Berlin |
 | | B.B.S. Bauer's Buildings Services GmbH | Berlin |
 | | B.B.S. Bauer's Buildings Services GmbH | Berlin |