- Lepida S.p.A.Lepida S.p.A.
- Intesi Group S.p.A.Intesi Group S.p.A.
- Register.it S.p.A.Register.it S.p.A.
- InfoCamere S.C.p.A.InfoCamere S.C.p.A.
- EHTEHT
- Poste Italiane SpAPoste Italiane SpA
- http://www.sielte.ithttp://www.sielte.it
- Trust Technologies srlTrust Technologies srl
- TeamSystemTeamSystem
- InfoCert S.p.A.InfoCert S.p.A.
- Namirial S.p.a. Trust Service ProviderNamirial S.p.a. Trust Service Provider
- ArubaPEC S.p.A.ArubaPEC S.p.A.
