Pfizer

Pfizer is one of the world's largest pharmaceutical companies, founded in 1849 in Brooklyn, New York. Its portfolio spans vaccines (Prevnar, Comirnaty), oncology (Ibrance, Xtandi), rare disease, and internal medicine — with 100+ marketed medicines. Pfizer co-developed the world's first authorised mRNA COVID-19 vaccine with BioNTech, delivered at unprecedented speed in 2020, and continues major R&D investments in vaccines, obesity, and cancer following its 2023 acquisition of Seagen. Pfizer India is one of the country's oldest multinational pharma companies, listed on Indian exchanges, and Pfizer's Chennai and Mumbai centres form a significant part of its global R&D and manufacturing footprint.