Calvert Holdings

At Calvert Holdings, we are committed to using our knowledge and experience as entrepreneurs, strategic business developers, researchers, and cutting-edge marketers to have a positive impact on our world. Our core competency is life science, but our Holdings are as diverse as our interests and skills.

The Calvert Companies

Calvert Labs

Calvert LabsFor over 35 years Calvert Laboratories has provided quality contract preclinical services to the pharmaceutical and biotechnology industries.

By offering operational excellence and regulatory assuredness in the design, management and implementation of nonclinical safety programs, Calvert Laboratories continues to be the contract research organization of choice.

Calvert Laboratories offers comprehensive preclinical services in toxicology (acute, subchronic, chronic, carcinogenicity, developmental, reproductive, multi-generation), pharmacology (general, discovery, safety), immunology, pharmacokinetics/toxicokinetics & ADME.