General Toxicology CROs in United States

Global leader in providing preclinical and clinical laboratory services. Charles River offers early-stage discovery, safety assessment, and clinical support services to pharmaceutical and biotech companies worldwide.

Formerly Covance, Labcorp Drug Development provides comprehensive drug development services from early discovery through post-approval. One of the world's largest CROs with extensive nonclinical and clinical capabilities.

Preclinical ADME and pharmacokinetics CRO in Pennsylvania providing in vitro and in vivo absorption, distribution, metabolism, and excretion studies as part of Pharmaron's global network.

Preclinical ADME and pharmacokinetic service provider now part of Pharmaron. Specializes in in vitro and in vivo DMPK, drug transporter studies, and metabolite identification.

Exton, Pennsylvania-based preclinical CRO providing in vivo PK/PD studies, ADME services, and GLP bioanalytical testing for small-molecule and biologic drug candidates.

GLP-compliant preclinical CRO in Austin, Texas, offering 100+ validated xenograft efficacy models, IND-enabling toxicology, and RNAi therapeutic development services.

Virginia-based safety pharmacology CRO providing cardiovascular telemetry, respiratory, and CNS safety studies in rodent and non-rodent species.

Independent nonprofit applied science and technology organization providing preclinical research, inhalation toxicology, bioanalytical services, and pharmaceutical development support.

World's largest nonprofit R&D organization offering GLP-compliant preclinical safety, toxicology, inhalation studies, and bioanalytical services including BSL-3 biocontainment capabilities.

Preclinical CRO specialising in immunotoxicology and immune safety assessment, offering in vivo and in vitro studies for pharma, biotech, and government clients.

Preclinical CRO in Pennsylvania providing GLP and non-GLP toxicology, safety pharmacology, and pathology services with a focus on small and large molecule therapeutics.

GLP-compliant preclinical CRO specializing in toxicology, pathology, and ADME studies for pharmaceutical, biotech, and agrochemical clients with full necropsy and histopathology capabilities.

LabCorp Drug Development preclinical and toxicology centre in Madison, Wisconsin, providing GLP-compliant general and genetic toxicology, safety pharmacology, and reproductive toxicology studies.

Research models and services provider offering genetically defined laboratory animals, contract research services, and scientific consulting for preclinical drug development.

Specialty CRO providing GLP-compliant anatomic pathology, histotechnology, and immunohistochemistry services for pharma, biotech, and government preclinical research programs.

CRO providing integrated drug discovery and development services including ADME/PK, bioanalytical, CMC, and clinical services with operations in the US and China.

Independent not-for-profit preclinical CRO offering full IND-enabling GLP toxicology programs, inhalation toxicology, and immunogenicity testing from the Illinois Institute of Technology campus.

Contract research organization providing drug discovery and development services including preclinical safety assessment, bioanalytical services, and research animal models.

Inotiv's preclinical facility in Boulder, Colorado, providing GLP toxicology, safety pharmacology, and DMPK studies with capabilities in cardiovascular, respiratory, and CNS safety assessment.

North Carolina-based genetic toxicology CRO providing GLP-compliant Ames, micronucleus, chromosomal aberration, and comet assays for regulatory submissions.

Not-for-profit preclinical CRO with ABSL-3 capabilities and expertise in inhalation toxicology, pulmonary delivery, and infectious disease models from 100+ acre campus.

Large preclinical CRO in Michigan acquired by Charles River Laboratories, providing GLP toxicology, safety pharmacology, and ADME studies in purpose-built facilities spanning over 800,000 sq ft.

Leading medical device CRO providing biocompatibility testing, sterilization validation, regulatory consulting, and clinical services for medical device and combination product development.

Full-continuum preclinical CRO providing integrated in vitro and in vivo services including efficacy, toxicity, biodistribution, and product release studies in small and large animals.

Preclinical CRO specializing in in vitro pharmacology, receptor binding, enzyme inhibition assays, and ADME screening for drug discovery programs.

Specialty preclinical CRO focused on Asia-Pacific markets, providing preclinical safety assessment, pharmacology, and bioanalytical services for small molecule and biologic programs.

Preclinical CRO providing GLP-compliant safety assessment services including general toxicology, developmental and reproductive toxicology, and carcinogenicity studies.

Preclinical CRO specializing in CNS drug discovery using proprietary AI-powered behavioral phenotyping platforms for neurological and psychiatric disorders.

Specialty CRO providing GLP toxicology testing, biocompatibility evaluation, and analytical chemistry services for medical devices, combination products, and pharmaceutical excipients.

Contract research organization providing discovery, preclinical, and development chemistry services including API synthesis, safety pharmacology, and medicinal chemistry.

US subsidiary of Shin Nippon Biomedical Laboratories specializing in GLP preclinical safety assessment including general toxicology, reproductive toxicology, and inhalation studies with NHP and rodent capabilities.

Nonprofit research organization providing drug discovery, preclinical development, and analytical services with deep expertise in oncology and infectious disease including BSL-3 capabilities.

Independent GLP preclinical CRO and testing laboratory in Sugar Land, Texas, covering mammalian toxicology, aquatic, environmental, and animal health studies since 1975.

Fully integrated dermatology-dedicated CRO providing nonclinical through Phase III development services exclusively for skin disease products since 1997.