- H2 Pharma
- H3 Santé
- HAC Pharma
- Haleon France
- Hansa Biopharma AB
- HBO2 Therapeutics
- HCS BVBA
- Hemarina
- Hepatoum
- Hi Tech Pharmacal
- Highlight therapeutics
- Hikma France
- HK Pharma Ltd
- Holostem Terapie Avanzate Srl
- HORIZON THERAPEUTICS LIMITED
- Horus Pharma
- HRA Pharma
- HRA Pharma France
- HRA Pharma Rare Diseases