|
 | | Fertighaus WEISS GmbH | Oberrot |
 | | Rhomberg Sersa Rail Group | Berlin, Dresden |
 | | Drees & Sommer SE | Stuttgart, Karlsruhe |
 | | Ed. Züblin AG | Magdeburg |
 | | Drees & Sommer SE | Berlin, Mannheim |
 | | Drees & Sommer SE | Hamburg |
 | | Drees & Sommer SE | Berlin |
 | | HOCHTIEF Infrastructure GmbH/Building | Erfurt |
 | | Hays – Working for your tomorrow | Aachen, Erkrath, Gelsenkirchen |
 | | Drees & Sommer SE | Frankfurt am Main |
 | | Drees & Sommer SE | Stuttgart, Frankfurt am Main, München, Hamburg, Leipzig, Dresden, Köln, Berlin |
 | | Drees & Sommer SE | Hamburg |
 | | Drees & Sommer SE | Frankfurt,Hamburg,Berlin,Mainz,Bremen,Hannover |
 | | Drees & Sommer SE | Leipzig,Hannover,Hamburg,Bremen |
 | | Drees & Sommer SE | Berlin |