• H. Lundbeck A/S
• H.A.C. Pharma
• Haleon Ireland Dungarvan Limited
• Haleon Spain S.A.
• Hansa Biopharma Ab
• Helsinn Birex Pharmaceuticals Limited
• Hikma Farmaceutica (Portugal) S.A.
• Hipra Human Health S.L.
• Horus Pharma
• Hospira Invicta S.A.