|
 | | Toll & Toll Bau GmbH | Berlin |
 | | braunert ingenieure GmbH | Berlin |
 | | Tiefbau Bauch GmbH | Berlin |
 | | Hoth Tiefbau GmbH & Co.KG | Friedrichsruhe |
 | | R. Kossow & Levermann GmbH | Marlow, Berlin, Münster, Mönchengladbach, Bornheim, Bremerhaven, Delmenhorst, Neu Wulmstorf, Dresden |
 | | FREY Bauunternehmen GmbH | Potsdam |
 | | FREY Bauunternehmen GmbH | Potsdam |
 | | Becker Stahlbau Berlin 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 |