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Each of our R&D centers specializes in a different area of scientific exploration. We have several major campuses located throughout the U.S. and U.K.

Andover, Massachusetts Research Site front entranceAndover, Massachusetts
A 70-acre site that combines state-of-the-art R&D facilities with flexible, multi-product manufacturing capabilities
Cambridge, Massachusetts Research Site buildingCambridge, Massachusetts
Global headquarters for our Center for Therapeutic Innovation (CTI), which has established locations in New York City, San Diego, and San Francisco
Groton, Connecticut Research Site front Pfizer signageGroton, Connecticut
Where nearly every one of our products are, in part, developed
La Jolla, California Research Site front entranceLa Jolla, California
Powerfully reinforcing the company's presence in the global biotechnology industry
Pearl River, New York Research Site campus aerial viewPearl River, New York
The primary location for our company’s global Vaccine Research and Development work
Sandwich, UK Research Site building frontSandwich, UK
Home of the Pharmaceutical Sciences and Global Regulatory Affairs groups
St. Louis, MO Research Site front entranceSt. Louis, MO
A 300,000 sq. ft. facility producing innovative emergency care products that serve unique needs during severe medical crises

Learn more about the process of joining a clinical trial and find a trial near you.

Go to Pfizer Clinical Trials Site
Programs & Initiatives This Rotational R&D Program Allows Young Scientists to Experiment in Their Careers Participants in Pfizer's unique science career program can gain experience in drug discovery, regulatory affairs & more. Purpose & Ideals An Accord for a Healthier World: Working Together to Help Address Unmet Healthcare Needs in Lower-Income Countries In 2022, Pfizer launched An Accord for a Healthier World to improve access to healthcare by providing medicines and vaccines to 45 lower-income countries. Science & Innovation In Celebrating 175 Years, Pfizer Challenges Itself to ‘Outdo Yesterday’ It started with a breakthrough. And still, this is just the beginning. Looking ahead to the next 175 years, Pfizer’s motivation, today, isn’t to stay the course—it’s to outdo yesterday.