Founded in 1988 by physician-scientist Leonard S. Schleifer, Regeneron Pharmaceuticals develops and manufactures biopharmaceutical medicines for people with serious diseases. Its physician-scientist-led research has produced 15 approved or authorized medicines, with nearly 100% of its candidates invented and developed in-house. Regeneron’s Industrial Operations and Product Supply team has manufactured large-scale biologics since 2003, supporting operations across a global workforce of more than 15,400 employees.
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Merck & Co., IncFounded in the United States in 1891, Merck & Co. develops and manufactures prescription medicines, vaccines and animal-health products through a research-driven biopharmaceutical business. Headquartered in Rahway, New Jersey, the company has approximately 75,000 employees and has spent more than 130 years turning scientific research into treatments and preventive care for people and animals. Outside the United States and Canada, it operates under the name MSD.NORTH WALES, PA
SanofiSanofi is an R&D-driven biopharmaceutical company that manufactures medicines and vaccines for patients worldwide. Its global manufacturing network spans 37 production sites and more than 28,000 employees, producing 2 billion doses annually. Sanofi is also the world’s largest influenza-vaccine producer, supplying 1.3 million vaccine doses each day.SWIFTWATER, PA
Zencore BiologicsFounded in Shanghai in 2017, Zencore Biologics is an independent CDMO built around large-scale mammalian cell-culture expertise. With nearly 700 employees and two facilities totaling 600,000 square feet, it supports biopharmaceutical companies from clinical development through commercial manufacturing. The company says its work has contributed to more than 200 projects, including 38 IND and four BLA projects.GERMANTOWN, MD
Pfizer IncFounded in Brooklyn in 1849 by cousins Charles Pfizer and Charles Erhart, Pfizer develops and manufactures medicines and vaccines through a global research, development, and supply network. Its history includes pioneering large-scale fermentation for penicillin during World War II, while today its U.S. operations include 11 manufacturing sites and two distribution centers across nine states. Pfizer’s purpose centers on breakthroughs that change patients’ lives, with the company also offering patented medicines and vaccines on a not-for-profit basis to people in 45 lower-income countries through its Accord for a Healthier World.NEW YORK, NY