• Sanofi S.A.
• Bharat Biotech International Limited
• Cadila Healthcare Ltd (Zydus Cadila)
• Serum Institute of India Pvt. Ltd.
• GlaxoSmithKline plc
• Merck & Co. Inc.
• Novartis AG
• Pfizer Inc.
• Boehringer Ingelheim International GmbH
• Bio-Med Pvt. Ltd.
• Guangdong WINSUN Bio-Pharmaceutical Co. Ltd.
• Changchun Institute of Biological Products Co. Ltd.
• Yisheng Biopharma Co. Ltd.
• Indian Immunologicals Ltd.
• Vins Bioproducts Ltd.