- CAG Pharma
- CAMBRIDGE
- Cambridge Laboratories LTD
- Camurus AB
- Cangene Corporation
- Cantargia AB
- Carelide
- CCD
- Cedepharm
- Celgene SAS
- Cellectis
- Cellestia
- Celltrion Healthcare France SAS
- Cemag Care
- Cevidra
- Chaix et Du Marais
- Chauvin Bausch & Lomb
- Chauvin SA
- Cheplapharm France
- Chiesi
- Christeyns France
- Chugai Pharma France
- CIS Bio International
- Clinigen Healthcare France
- CLS Pharma
- Colgate Palmolive
- Colgate-Palmolive
- Conforma France
- CONFORMA SA
- Contrafect Corporation
- Cooper
- Coopération Pharmaceutique Française
- Correvio
- Crinex
- Cristers
- Critical Therapeutics Inc
- Croma-Pharma GmbH
- CSL Behring SA
- CSP - Centre Spécialités Pharmaceutiques
- CTRS
- Curium Austria GmbH
- Curium Pet France
- Cyclopharma
