Altogether, about 61 institutes (universities, observatories, surveys etc.) from 17 countries expressed their interest in participating in AlpArray.
| Institute | Country |
| ARSO | Slovenia |
| Bundesanstalt fur Geowissenschaften und Rohstoffe - BGR | Germany |
| Centro Nazionale Terremoti - CNT-INGV | Italy |
| Charles University Prague | Czech Republic |
| Department of Geosciences and Environment, University Paul Sabatier, Toulouse | France |
| Dublin Institute for Advanced Studies | Ireland |
| Earth Science Institute of Slovak Academy of Sciences - Bratislava | Slovakia |
| Ecole Normale Supérieure ENS - Lyon | France |
| ETH Zurich | Switzerland |
| Faculty of Geo- and Atmospheric Science - Innsbruck | Austria |
| Faculty of Natural Sciences, University of Silesia, Katowice | Poland |
| Free University of Berlin | Germany |
| Geodetic and Geophysical Research Institute of the Hungarian Academy of Sciences (observatory) | Hungary |
| Geodetic and Geophysical Research Institute of the Hungarian Academy of Sciences (research) | Hungary |
| GEOMAR - Helmholtz Centre for Ocean Research Kiel | Germany |
| GFZ Potsdam | Germany |
| Institute of Geophysics Academy of Sciences, Czech Republic - Prague | Czech Republic |
| Institut de Physique du Globe de Strasbourg - IPGS | France |
| Institute of Physics of the Earth - Brno | Czech Republic |
| IInstitute of Geophysics, Polish Academy of Sciences, Warszawa, | Poland |
| ISTeP - University Pierre et Marie Curie Paris 6 | France |
| ISTerre - Grenoble | France |
| Istituto Nazionale di Geofisica e Vulcanologia - INGV | Italy |
| Istituto Nazionale di Oceanografia e di Geofisica Sperimentale - OGS | Italy |
| Karlsruhe Institute of Technology - KIT | Germany |
| Laboratoire de Geologie de Lyon: Terre Planetes Environement - Lyon | France |
| Leibniz-Institut für Angewandte Geophysik (LIAG) | Germany |
| LMU Münich | Germany |
| MTA_ELTE Geological, Geophysical and Space Science Group, Eötvös University, Budapest | Hungary |
| National Institute for Earth Physics - Bucharest | Romania |
| Republic Hydrometeorological Service of Republic of Srpska | Bosnia and Herzegovina |
| RESIF | France |
| Rice University | USA |
| Ruhr Universität Bochum | Germany |
| Section of Earth and Environmental Sciences, University of Geneva | Switzerland |
| Slovak University of Technology in Bratislava | Slovakia |
| Sofia University | Bulgaria |
| Swiss Seismological Service - SED | Switzerland |
| Swisstopo | Switzerland |
| University of Bern | Switzerland |
| University of Bremen | Germany |
| University of Bratislava | Slovakia |
| University of Frankfurt | Germany |
| University of Genoa | Italy |
| University of Kiel | Germany |
| University of Lausanne | Switzerland |
| University of Leipzig | Germany |
| University of Mainz | Germany |
| University of Milano Bicocca | Italy |
| University of Münster | Germany |
| University of Nice - Geoazur | France |
| University of Roma 3 | Italy |
| University of Strasbourg - EOST | France |
| University of Trieste | Italy |
| University of Twente - Enschede | The Netherlands |
| University of Tübingen | Germany |
| University of Vienna | Austria |
| University of Warsaw | Poland |
| University of Zagreb | Croatia |
| Utrecht University | The Netherlands |
| ZAMG | Austria |