- BioSante
- Boehringer-Ingelheim
- Celerion
- Clinipace
- Clintec International
- Covance
- Cyrotech
- Duramed
- Eisai
- Elan
- Genzyme
- GlaxoSmithKline
- Graceway
- i3 Research
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- ICON
- Inclinix
- Novartis
- Medsource
- Merck
- Orexo
- Otsuka
- Plus Orthopedics
- Posen
- PPD
- Premier Research
- Quintiles
- TKL Research
- Teva
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