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 | | 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 |
 | | Dalhoff GmbH Straßen- und Tiefbau | Berlin |
 | | Drees & Sommer SE | Stuttgart, München, Frankfurt am Main, Köln, Hamburg, Leipzig, Berlin |
 | | Ed. Züblin AG | Berlin |
 | | Drees & Sommer SE | Berlin |
 | | Drees & Sommer SE | Berlin |
 | | Ed. Züblin AG | Berlin, Hamburg, Dresden, Rostock, Bremen |
 | | Bundesamt für Bauwesen und Raumordnung (BBR) | Berlin |
 | | HOCHTIEF Infrastructure GmbH/Building | Berlin |