Tarrytown, New York

Since 1989, Regeneron has made its headquarters in the heart of Westchester County at The Landmark at Eastview, the largest privately-owned, multi-tenant technology park in New York State. Today, the Company occupies over 236,000 square feet of office and laboratory space at The Landmark.

Rensselaer, New York

Rensselaer, New York is the site of Regeneron's large-scale biologics manufacturing facility. With over 300,000 square feet of space, the Rensselaer facility houses the Company's Industrial Operations and Product Supply function and commercial scale bioreactors (up to 10,000 liters). The Company's Industrial Operations and Product Supply function includes production, materials management, quality assurance, quality control, manufacturing process sciences, and validation. Regeneron has the capability to manufacture multiple product candidates simultaneously - a capability essential to supporting its growth.