GE Medical Systems Italia S.p.A.; Esaote S.p.A.; Samsung Electronics Italia S.p.A.; Siemens Healthcare S.r.l.; Philips S.p.A.; Althea Italia S.p.A.; Polygon S.p.A.; Meditech S.r.l.; Canon Medical Systems S.r.l.; Fujifilm Healthcare Italia S.p.A.; Fora Spa; Betafin Spa