Project Ô consortium includes twenty-three partners, which can be grouped as follows:

• Water treatment technology providers: IRIS srl, University of Turin (UNITO), Aalborg University (AAU), Nanoquimia (NanoQ),
  Technion, Centre National de la Recherche Scientifique (CNRS), EKSO srl, National Center of Mariculture (IOLR), Universitat Politècnica de València (UPV)
• Sustainability and circular economy specialists: Vertech Group (VER Group), Exergy (EXERGY), and Kalundborg Symbiotic Center (KLB)
• Systemic issues specialists – water regulation and planning aspects: Polytechnic of Milan – Hydro informatic Group (PoliMI), and University of Aveiro (UAVE)
• Communication and Stakeholder Management specialists: Rhine-Waal University of Applied Sciences (HSRW) and Heim.Art –Kulturverein-Flussig (HEIM.ART)
• Demonstration sites (location, interest group): Demo-site 1 Puglia (Regione Puglia, planning; Acquedotto Pugliese, water utility);
  Demo-site 2 Almendralejo (SOCAMEX, water utility and wastewater plants specialist); Demo-site 3 Eilat (IOLR, aquaculture
  specialist; Eilat Municipality, water utility and planning); Demo-site 4 Omiš (Galeb)
• (Local) exploitation enablers: Particula Group (PG)
• Standardisation body:  Ente Italiano di Normazione (UNI)