--- title: Preclinical In Vivo Studies CROs in United States path: /services/preclinical-in-vivo/us companies_count: 29 --- # Preclinical In Vivo Studies CROs in United States 29 published CROs match Preclinical In Vivo Studies in United States. Locations in this set include United States, India, United Kingdom, China, Germany, and Canada. Capabilities that show up most often in this set: Small Molecule, Biologics (Other), Biologics (Monoclonal Antibodies), Cell Therapy, and Gene Therapy. ## Matching companies - [Acres Biosciences](/companies/acresbiosciences) - San Diego CRO offering cell line engineering, high-throughput and functional assay development, and in vivo PK/PD and toxicity studies. Work spans oncology, fibrosis, and metabolic disease models, with T cell engager and ADC assay services. - [Aliri Bioanalysis](/companies/aliribio) - Bioanalytical CRO specializing in PK/PD, biomarker, and spatial imaging services across discovery through Phase 3 clinical trials, with 20+ years of regulatory expertise. - [Altasciences](/companies/altasciences) - Mid-size early phase CRO/CDMO in Canada and the U.S. offering preclinical safety testing, clinical pharmacology (Phase I–II), bioanalysis, research services, and manufacturing with integrated capabilities. - [Alturas Analytics](/companies/alturasanalytics) - GLP-compliant bioanalytical CRO specializing in LC-MS/MS solutions for preclinical and clinical research, IND submissions, and new drug applications. - [Aragen Life Sciences](/companies/aragen) - Global CRDMO partner offering integrated discovery-to-commercialization services across small molecules and biologics, with 4000+ scientists and R&D/manufacturing campuses in Asia, North America, and Europe. - [BioDuro-Sundia](/companies/bioduro-sundia) - BioDuro-Sundia is a contract research, development, and manufacturing organization (CRDMO) with 30 years of expertise providing integrated drug discovery, development, and manufacturing services from target identification through IND submission. - [BioLegacy Research](/companies/biolegacy) - San Diego-based preclinical CRO specializing in GLP toxicology, in vivo pharmacology, custom animal models, and medical device testing across rodent to non-human primate species. - [Certara](/companies/certara) - Certara transforms drug development with proprietary biosimulation software, predictive modeling, and AI-driven services spanning discovery through commercialization. Serving 2,400+ biopharmaceutical companies and regulatory agencies across 70 countries, Certara's model-informed drug development (MIDD) platform accelerates clinical and regulatory decision-making. - [Certis Oncology Solutions, Inc.](/companies/certisoncology) - Certis Oncology Solutions provides translational oncology research services including custom cancer models, in vitro/ex vivo pharmacology, in vivo pharmacology, imaging analysis, and immuno-oncology studies for drug developers. - [Champions Oncology](/companies/championsoncology) - Leading oncology CRO specializing in preclinical and clinical specialty testing, with over 1,400 patient-derived xenograft models, comprehensive multi-omic datasets, and proprietary platforms including flow cytometry, NGS, proteomics, and histopathology services. - [ChemDiv](/companies/chemdiv) - ChemDiv is a fully integrated target-to-clinic CRO headquartered in San Diego, CA, offering drug discovery services including medicinal chemistry, CADD, ADME/DMPK, toxicology, and custom synthesis alongside the industry's largest commercial screening library of 1.6M compounds. - [ChemPartner](/companies/chempartner) - Global preclinical CRO with 20+ years of experience supporting drug discovery through IND submission across small molecules and biologics, with 2,000+ scientists and facilities worldwide. - [Crown Bioscience](/companies/crownbio) - Preclinical oncology CRO offering 2,500+ PDX models, organoid and cell line databases, and translational platforms with biomarker discovery and AI-driven systems biology for drug development. - [Cyagen Biosciences](/companies/apac-cyagen) - Cyagen provides genetically engineered animal models, custom cell lines, and viral packaging services for preclinical research, with specialized expertise in humanized mice, gene therapy vectors, and disease-specific models across oncology, neurology, and metabolic disorders. - [Cyagen Biosciences](/companies/cyagen) - Cyagen provides genetically engineered animal models, custom cell lines, and viral packaging services for preclinical drug discovery, with specialized platforms including HUGO-GT™ and HUGO-Ab™ for humanized target validation and antibody screening. - [IIT Research Institute](/companies/iitri) - Midsize preclinical CRO specializing in GLP-compliant toxicology, IND-enabling safety studies, infectious disease vaccine development, and inhalation toxicology with onsite integrated laboratories and 60+ years of regulatory partnership experience. - [ITR Laboratories](/companies/itrlab) - GLP-compliant nonclinical CRO specializing in safety and toxicology testing across in silico, in vitro, and in vivo modalities, with 35+ years of experience and nearly 6,000 completed studies. - [JOINN Biomere](/companies/biomere) - Boston-area preclinical CRO specializing in non-GLP PK/PD and early toxicology studies in rodent and large animal models, including primates. AAALAC accredited with extensive vivarium capacity and multidisciplinary scientific support. - [Medpace](/companies/medpace) - Full-service CRO with 30+ years of organic growth, offering integrated clinical development services across all phases with wholly-owned central labs, bioanalytical lab, imaging core lab, and Phase I unit. - [NorthernBio](/companies/northernbiolab) - Michigan-based preclinical CRO specializing in targeted drug delivery, molecular biology, and bioanalysis with three GLP-compliant facilities supporting non-GLP and GLP safety assessment studies.