- H2 Pharma
- H3 Health
- HAC PHARMA
- Haleon France
- Hansa Biopharma AB
- HBO2 Therapeutics
- HCS BVBA
- EMARINA
- Hepatoum
- Pharmaccal
- evidenzia terapeutica
- Hikma France
- HK Pharma Ltd
- = Holostem Terapie Avanzate SRL
- = Horizon Therapeutics Limited
- Horus Pharma || Pharma || 307
- HRA Pharma
- HRA Pharma France
- HRA Pharma Rare Diaseas