| 1 | | Ferdinand-Porsche-Straße 11 | Frankfurt am Main |  DE | | Architect | +49 699433780 | | Heike Southgate |
| 2 | | Forster Str. 22 | Bad Muskau | DE | | Surveyor | +49 3577161151 | | Enric Gerstmann |
| 3 | | Tübinger Str. 66 | Reutlingen | DE | | Engineer | +49 7121387800 | | Katalin Czinege |
| 4 | | Kampitschstraße 35 | Rottweil | DE | | Architect, Real Estate Developer | +49 7419494028 | | Schneider Ingo |
| 5 | | Am Felsenkeller 5 | Kolitzheim | DE | | Architect | +49 938597300 | | Burkhard Kuther |
| 6 | | Spitzweidenweg 32 | Jena | DE | | Civil Engineer, Architect, General Contractor | +49 364158000 | | Sven Möller |
| 7 | | Elsterstraße 31 | Berlin | DE | | N/A | +49 62907840 | | Kirsten Reichmayr |
| 8 | | Friedrich-Zundel-Straße 23 | Stuttgart | DE | | Engineering Consultant | +49 7112567869 | | Stefan Gaier |
| 9 | | Hermanstraße 15 | Augsburg | DE | | Structural Engineer | +49 821509410 | | Pierre Schmitt |
| 10 | | Wismarsche Str. 178 | Schwerin | DE | | Engineer, Civil Engineer, Civil Engineering Company, Environmental Engineer | +49 385590640 | | Sylvia Baron |
| 11 | | Hardenbergstraße 27 | Berlin | DE | | Engineering Consultant, Business Management Consultant, Construction Company | +49 30880140 | | Boleslaw Skokowski |
| 12 | | Haus 5.2, Friesenweg1 5 | Hamburg | DE | | Real Estate Developer | +49 4046002690 | | Katrin Hauschildt |
| 13 | | Schwieberdinger Str. 5 | Stuttgart | DE | | Civil Engineering Company, Engineer | +49 71136533830 | | S Burak Ertoglu |
| 14 | | Max-Schwarze-Straße 2 | Pirna | DE | | Computer Consultant, Software Company | +49 350156310 | N/A | Olaf Böhme |
| 15 | | Am Wall 17 | Großbeeren | DE | | Construction Company | +49 33701327900 | N/A | Karsten Berghäuser |
| 16 | | Grunewaldstraße 24 | Berlin | DE | | Real Estate Agency | +49 3037436370 | N/A | Melanie Gent |
| 17 | | Wendenstraße 130 | Hamburg | DE | | Engineering Consultant | +49 4076994305 | N/A | Holger Lange |
| 18 | | Europastraße 3 | Lahr/Schwarzwald | DE | | Civil Engineer, Architect | +49 7821923740 | N/A | Nils Koch |
| 19 | | Hohnerstraße 23 | Stuttgart | DE | | Engineer | +49 7113653370 | N/A | Peter Baumann |
| 20 | | Alfonsstraße 44 | Aachen | DE | | Engineering Consultant | +49 241978890 | N/A | Iris Nowack |
