- H & B Pharma
- H. Lundbeck
- Ha Noi CPC1
- Haimen
- Han Seo Pharma
- Hana
- Handok
- Hangzhou
- Hankook Korus Pharma
- Hanlim Pharma
- Hanmi Pharmaceutical
- Harbin
- Harson
- Haupt Pharma
- Healer's Lab
- Health Saver
- Healthcare Pharma
- Healthmax Care
- Hebei Jiheng
- Hebei Tiancheng
- Herbs & Nature
- Hermes
- Hersil
- Hetero Labs
- Hexagon Nutriscience
- Hexagon Pharma
- HI-Eisai
- Highkon
- Hillcross Prime
- Hiral Labs
- Hizon Laboratories, Inc
- HK Inno.N
- Hospira
- Hua Shin
- Huazhong Pharma
- Huons
- Hyphens Pharma