| Company Name [asc] | Country |
|---|---|
| CatalYm GmbH | Germany |
| CATS Consultants GmbH | Germany |
| CCDRD Cooperative Clinical Research and Development AG | Germany |
| CD Pharmaceuticals AB | Sweden |
| Cebiotex SL | Spain |
| Cedepharm | France |
| Cefak KG | Germany |
| Ceft Biopharma s.r.o. | Czech Republic |
| CEL Chadjianastasi Pharmaceutical Ltd | CYPRUS |
| Celica Biomedical | Slovenia |
| Cellprothera SAS | France |
| Celluminova AB | Sweden |
| Celtic Biotech Ltd | Ireland |
| CEMAG Care | France |
| CentralPharma Communications OÜ | Estonia |
| Centrom Pharma Ltd | Cyprus |
| Cereno Scientific AB | Sweden |
| Ceres Brain Therapeutics SAS | France |
| CERVION JV Korlátolt Felelősségű Társaság | Hungary |
| Cessatech A/S | Denmark |
| Chem Affairs Deutschland GmbH | Germany |
| Chemark s.r.o | Czech Republic |
| Chemax Pharma Limited | Bulgaria |
| Chemicals Laif S.p.A. | Italy |
| ChemICare | Italy |
| Chemiczno-Farmaceutyczna Spóldzielnia Pracy "ESPEFA" | Poland |
| Chemifarma SpA con socio unico | Italy |
| Chemipharm S.G. De Tchaves & Sia E.E. | Greece |
| CHENPON DE GmbH | Germany |
| Cherry Biotech SAS | France |
| Chimerix IRL Limited | Ireland |
| Chimimportexport Plurimex S.R.L. | Romania |
| Chosa Oncology AB | Sweden |
| CHX Technologies Europe Limited | Ireland |
| CILcare | France |
| CimCure B.V. | Netherlands |
| Cinclus Pharma Holding AB | Sweden |
| Circius Pharma AB | Sweden |
| Citrine Healthcare Ltd | Ireland |
| CKD PHARM | France |
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