|
 | | Patrick Reichelt & Team Garten- & Landschaftsbau | Berlin |
 | | Ed. Züblin AG | Frankfurt am Main, Düsseldorf, Berlin, Stuttgart |
 | | Rhomberg Sersa Rail Group | Dresden, Halle (Saale), Berlin, Spremberg |
 | | CDM Smith SE | Berlin |
 | | Saint-Gobain Weber GmbH | Berlin, Brandenburg, Mecklenburg-Vorpommern |
 | | Rhomberg Sersa Rail Group | Dresden, Halle (Saale), Berlin, Spremberg |
 | | GOLDBECK Nordost GmbH | Schönefeld (bei Berlin), Berlin |
 | | CDM Smith SE | Berlin |
 | | Zeppelin Rental GmbH | Berlin |
 | | Rail Power Systems GmbH | Erfurt, Mannheim, Stuttgart, Ulm, Bochum, München, Ettlingen, Berlin, Dresden, Staßfurt, Offenbach |
 | | CDM Smith SE | Berlin |
 | | HOCHTIEF PPP Solutions GmbH | Berlin |
 | | Rhomberg Sersa Rail Group | Dresden, Halle (Saale), Berlin, Spremberg |
 | | Rhomberg Sersa Rail Group | Dresden, Berlin |
 | | GOLDBECK Nordost GmbH | Rostock, Leipzig, Magdeburg, Berlin-Schönefeld |