1. Serum Institute of India Pvt. Ltd.
2. GreenSignal Bio Pharma Ltd
3. Taj Pharmaceuticals Limited
4. Japan BCG Laboratory
5. Merck & Co. Inc.
6. Microgen LLC
7. Biomed Lublin S.A.
8. BCG Vaccine Laboratory
9. China Biotechnology Co. Ltd.
10. AJ Biologics Sdn Bhd