Charles River Completes Acquisition of MPI Research

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INTEGRATION UPDATE: Watch as our leaders discuss the positive impacts on our staff and operations, commercial successes, and the value our enhanced team brings to your programs. View the Video

MPI Research, a premier non-clinical contract research organization (CRO) providing comprehensive testing services to biopharmaceutical and medical device companies worldwide, is now a part of the Charles River’s global network of world-class safety assessment facilities. You can navigate the Charles River website to find your drug development solutions and the unique services that the Mattawan site offers.

James C. Foster, Chairman and Chief Executive Officer of Charles River Laboratories, commented, “We are pleased to welcome the exceptional team at MPI Research to the Charles River family. The addition of MPI’s scientific expertise, high-quality services, and complementary capabilities will enable us to enhance the support we can provide to clients, as they address the complex challenges of drug discovery and early-stage development. The acquisition of MPI also enhances our ability to achieve our long-term growth goals by building scale to meet current and future demand, and by expanding our biotechnology client base, the fastest-growing market segment.”

Stay connected with us through this exciting transition by joining our new mailing list. Sign up to keep in touch with our industry-leading scientists and receive news about the world-class drug development services and support that our expanded team provides.


Areas of Expertise

MPI offers high-quality services and complementary capabilities including:

Our expertise and innovation is reflected in our work. Our scientists in Mattawan have presented posters and webinars on many topics.

View our Resources


Facility Overview

Located in Mattawan, Michigan, it is the world’s largest nonclinical facility (> 1M square feet) with dedicated vivarium space (500+ animal rooms), bioanalytical/analytical laboratory space, and 4 surgical suites. The MPI Research portfolio complements Charles River’s services by providing both GLP and non-GLP studies.

Download Mattawan, Michigan, Facility At-a-Glance Sheet


Our People

Behind every patient stands thousands of scientists and researchers working together to develop life-saving treatments. Every day, each of us plays a critical role in making a difference in the quality of people’s lives.

Meet the MPI Team