• Ipsen Consumer HealthCare
• Ipsen Manufacturing Ireland Limited
• Ipsen Pharma
• Ipsen Pharma Biotech S.A.S.
• Isdin S.A.
• Istituto De Angeli S.R.L.
• Italfarmaco S.A.
• Italfarmaco S.A. Lacer S.A.
• Italfarmaco S.p.A.
• Italfármaco, S.A.