The Top 10 Veterinary Companies In India play a pivotal role in safeguarding animal health—from livestock to pets—by delivering vaccines, parasiticides, diagnostics, and nutritional supplements. Leading domestic players like Indian Immunologicals and Hester Biosciences dominate in immunologicals and poultry vaccines, while global stalwarts such as Zoetis, Virbac, Elanco, Bayer, Merck/MSD, and Pfizer bring advanced research‑based solutions. Their robust R&D pipelines, WHO‑GMP certifications, and comprehensive product ranges ensure India’s animal‑health sector stays innovative, effective, and accessible.