Infraserv GmbH & Co. Höchst KG, Germany (I)* (Coordinator)
Linde Gas & Engineering AG, Germany (I)
Daimler AG, Germany (I)
Fraport AG Frankfurt , Germany (P)*  Airport Services Worldwide
TÜV Technische Überwachung Hessen GmbH, Germany (I)
Agip Deutschland GmbH, Germany (I)
Lunds Universitet, Sweden (P)
Roskilde University, Denmark (P)
Saviko Consultants Ltd., Denmark (I)
European Commission DG Joint Research Centre, Italy(P)
Eni S.p.A, Italy (I)
Regione Lombardia, Italy (P)
Sapio Produzione Idrogeno Ossigeno S.r.l. , Italy (I)
Comune di Mantova, Italy (P)
Università commerciale Luigi Bocconi, Italy (P)
C.R.F. Società Consortile per Azioni, Italy (I)

*  (I) – Industry, (P) - Public