| Austria | Graz | DSD |
| Austria | Graz | Graz University of Technology |
| Austria | Leoben | Montan University Leoben |
| Austria | Vienna | AustriaTech |
| Austria | Vienna | Climate Alliance Austria (Klimabündnis Österreich) |
| Austria | Vienna | Institut für Feinwerktechnik |
| Austria | Vienna | University of Natural Resources and Life Sciences (BOKU) |
| Austria | Vienna | via donau |
| Austria | Vienna | Vienna University of Technology |
| Belgium | Brussels | EUROCONTROL, Belgium Brussels |
| Belgium | Brussels | Intrasoft International SA |
| Belgium | Ghent | Ghent University |
| Belgium | Liege | University of Liege |
| Canada | Chicoutimi | University of Québec at Chicoutimi |
| Croatia | Zagreb | University of Zagreb |
| Czech Republic | Brno | Brno University of Technology |
| Czech Republic | Brno | Environmental Partnership Association (Nadace Partnerství) |
| Czech Republic | Pardubice | University of Pardubice |
| Czech Republic | Prague | Czech Technical University in Prague (ČVUT) |
| Estonia | Tallinn | Tallinn University of Technology |
| Estonia | Tartu | University of Tartu |
| Finland | Helsinki | MaaS Global Ltd |
| France | Bretagne | EUROCONTROL Bretagne |
| France | Grenoble | GIPSA-lab |
| France | Le Havre | University of Le Havre |
| France | Mulhouse | University of Upper Alsace |
| France | Paris | ParisTech |
| Germany | Aachen | Aachener Verkehrsverbund GMBH |
| Germany | Aachen | RWTH Aachen University |
| Germany | Berlin | EURNEX e.V. |
| Germany | Braunschweig | Braunschweig University of Technology |
| Germany | Cologne | German Aerospace Center (DLR) |
| Germany | Dortmund | Technical University of Dortmund |
| Germany | Dresden | Dresden University of Applied Sciences |
| Germany | Dresden | Fraunhofer Institute for Transportation and Infrastructure Systems |
| Germany | Dresden | Technical University of Dresden |
| Germany | Erlangen | AREVA NP Germany |
| Germany | Erlangen | Bayerisches Laserzentrum |
| Germany | Hamburg | Hamburg University of Applied Sciences |
| Germany | Hamburg | Kühne Logistics University |
| Germany | Hannover | Leibniz University of Hanover |
| Germany | Iserlohn | Nordrhein-Westfalen Fachhochschule |
| Germany | Kaiserslautern | University of Technology of Kaiserslautern |
| Germany | Karlsruhe | Karlsruhe Institute of Technology |
| Germany | Leipzig | Stadtverwaltung Leipzig |
| Germany | Munich | Dornier Consulting GmBh |
| Germany | Munich | Knorr-Bremse |
| Germany | Munich | Technical University of Munich |
| Germany | Planegg | Dr. Schenk Gmbh |
| Germany | Regensburg | Continental VDO |
| Germany | Stuttgart | Daimler Chrysler AG |
| Germany | Stuttgart | University of Stuttgart |
| Greece | Athens | National Technical University of Athens |
| Iraq | Sulaymani | Komar University of Science and Technology |
| Israel | Haifa | Technion – Israel Institute of Technology |
| Israel | Tel Aviv | Afeka College of Engineering |
| Italy | Capua | Italian Aerospace Research Center (CIRA) |
| Italy | Genoa | Piaggio Aero Industries S.p.A |
| Italy | Naples | University of Naples Federico II |
| Italy | Rome | Institute of Acoustics and Sensors “Orso Mario Corbino” |
| Italy | Rome | Sapienza University of Rome |
| Italy | Rome | Techno Sky – the subsidiary of ENAV |
| Italy | Salerno | University of Salerno |
| Lithuania | Vilnius | Vilnius Gediminas Technical University |
| Luxembourg | Esch-sur-Alzette | University of Luxembourg |
| Poland | Czestochowa | Czestochowa University of Technology |
| Poland | Katowice | Silesian University of Technology |
| Poland | Krakow | Cracow University of Technology |
| Poland | Poznan | Poznan University of Technology |
| Poland | Rzeszov | Rzeszow University of Technology |
| Poland | Szczecin | West Pomeranian University of Technology Szczecin |
| Poland | Warsaw | Institute of Aviation, Warsaw |
| Poland | Warsaw | Warsaw University of Technology (WUT) |
| Poland | Wroclaw | Wrocław University of Science and Technology |
| Poland | Zielene Gora | University of Zielona Góra |
| Romania | Brasov | Transilvania University of Brasov |
| Romania | Bucharest | National Institute for Aerospace Research Elie Carafoli |
| Romania | Timisoara | Politehnica University Timisoara |
| Russia | Moscow | Moscow Automobile and Road Construction University |
| Russia | Moscow | Moscow State University of Railway Engineering |
| Serbia | Novi Sad | University of Novi Sad |
| Slovakia | Bratislava | Slovak University of Technology in Bratislava |
| Slovakia | Kosice | Slovak Academy of Sciences |
| Slovakia | Kosice | Technical University of Košice (TUKE) |
| Slovakia | Zilina | University of Žilina |
| Slovakia | Zvolen | Technical University of Zvolen, Inf. & Safety. |
| Slovenia | Ljubljana | University of Ljubljana |
| Slovenia | Maribor | University of Maribor |
| Slovenia | Moravske Toplice | Razvojna agencija Sinergija |
| Spain | Madrid | Instituto Nacional de Técnica Aeroespacial |
| Spain | Madrid | Technical University of Madrid |
| Spain | Madrid | Universidad Politecnica de Madrid |
| Spain | Valencia | Polytechnic University of Valencia |
| Sweden | Gothenburg | Chalmers University of Technology |
| Sweden | Stockholm | Royal Institute of Technology (KTH) |
| The Netherlands | Amsterdam | National Aerospace Laboratory |
| The Netherlands | Delft | Delft University of Technology |
| Ukraine | Kharkiv | Kharkiv National Academy of Municipal Economy |
| United Kingdom | Leicester | De Montfort University |
| United Kingdom | London | Department For Transport |
| United Kingdom | Manchester | Greater Manchester Passenger Transport Executive |
| United Kingdom | Wolverhampton | University Of Wolverhampton |
| USA | Minneapolis | University of Minnesota |
