| 1 | | Hatzenbergstraße 3 | Olpe |  DE | | Architect, Civil Engineer, Engineer | +49 27616708 | | Juan Ferrero |
| 2 | | Stadtkoppel 20 | Lüneburg | DE | | Civil Engineer | +49 41312244550 | | Enric Gerstmann |
| 3 | | Am Rottland 8 | Meinerzhagen | DE | | Road Construction Company, Civil Engineering Company, Construction Company, Earth Works Company | +49 23547010801 | | Ahmed Watti |
| 4 | | Korpitzsch 1 | Leisnig | DE | | Road Construction Company | +49 3432162880 | | Olaf Weidauer |
| 5 | | Güterbahnhofstraße 1 | Hanau | DE | | Real Estate Agency | +49 61813010 | | Bernd Krempel |
| 6 | | Halverder Str. 2 | Hopsten | DE | | Metal Working Shop | +49 545893030 | | Josef-Daniel Jasper |
| 7 | | Lippstädter Str. 44 | Münster | DE | | Construction Company | +49 2516749430 | | Dirk Storm |
| 8 | | Werner-von-Siemens-Straße 34 | Amberg | DE | | Road Construction Company, Civil Engineer | +49 962177310 | | Daniela Mühldorfer |
| 9 | | Woltorfer Str. 112 | Peine | DE | | Construction Company | +49 517140050 | | Bunger Bernhard |
| 10 | | Krefelder Str. 147 | Aachen | DE | | Engineer, Architect | +49 24191340 | | Juan Ferrero |
| 11 | | Forster Str. 22 | Bad Muskau | DE | | Surveyor | +49 3577161151 | | Enric Gerstmann |
| 12 | | Alte Poststraße 6 | Bassum | DE | | Construction Company, Asphalt Contractor | +49 4241979840 | | Dominika Heider |
| 13 | | Blumenstraße 10A | Kabelsketal | DE | | Construction Company | +49 346053670 | | Sarah Feugmann |
| 14 | | Diepenseer Str. 9 | Schönefeld | DE | | Construction Company | +49 22182401 | | Dominika Heider |
| 15 | | Kölnische Str. 115-117 | Kassel | DE | | Engineering Consultant | +49 56170970 | | Enric Gerstmann |
| 16 | | Daimlerstraße 1 | Brackenheim | DE | | Construction Company | +49 713598210 | | Roman Haliev |
| 17 | | Röttenbacher Str. 18 | Erlangen | DE | | Earth Works Company | +49 913571060 | | Jan Ringelink |
| 18 | | Industriestraße 12 | Saarburg | DE | | Building Firm, Recycling Center, Waste Management Service | +49 658192660 | | Edgar Poth |
| 19 | | Marbacher Str. 193 | Ludwigsburg | DE | | Construction Company | +49 714125440 | | Helmut Bärlin |
| 20 | | Butzenstraße 39 | Tönisvorst | DE | | Construction Company, Building Materials Store, Civil Engineering Company, Earth Works Company, Road Construction Company | +49 215291870 | | Zoha Abu Zafor |
