1. Kompetenzzentrum Wasser Berlin gGmbH, Cicerostr. 24, 10709 Berlin, Germany
2. Veolia Research & Innovation (VeRI), Chemin de la Digue, BP 76, 78603 Maisons-Laffitte, France
3. Veolia, Business Support and Performance Department, 30 rue Madeleine Vionnet, 93300 Aubervilliers, France
4. Sofiyska Voda, Mladost 4, Business Park Sofia, Sgrada 2A, 1766 Sofia, Bulgaria