|
 | | Drees & Sommer SE | Düsseldorf |
 | | HOCHTIEF Infrastructure GmbH | Hamburg |
 | | HOCHTIEF Infrastructure GmbH/Building | Erfurt, Hannover, Kassel, Berlin, Essen |
 | | HOCHTIEF Infrastructure GmbH/Building | Erfurt, D-PLZ 45 |
 | | HOCHTIEF Infrastructure GmbH/Building | Mühlheim am Main |
 | | Drees & Sommer SE | Stuttgart, München, Frankfurt, Berlin, Köln, Hamburg |
 | | HOCHTIEF Infrastructure GmbH/Building | Erfurt |
 | | HOCHTIEF Infrastructure GmbH/Building | Erfurt |
 | | HOCHTIEF Infrastructure GmbH/Building | Erfurt |
 | | HOCHTIEF Infrastructure GmbH/Building | Erfurt, Kassel, Berlin, Essen |
 | | STRABAG Infrastructure & Safety Solutions GmbH | bundesweit |
 | | Drees & Sommer SE | Berlin |
 | | HOCHTIEF Infrastructure GmbH | Essen |
 | | HOCHTIEF PPP Solutions GmbH | Essen |
 | | HOCHTIEF Infrastructure GmbH | Essen |