---
title: In Vivo PK / PD Studies CROs in United States
path: /services/in-vivo-pk-pd/us
companies_count: 26
---

# In Vivo PK / PD Studies CROs in United States

26 published CROs match In Vivo PK / PD Studies in United States.

Locations in this set include United States, China, France, Germany, India, and United Kingdom.

Capabilities that show up most often in this set: Small Molecule, Biologics (Other), Antibody-Drug Conjugate (ADC), Biologics (Monoclonal Antibodies), and Cell Therapy.

## Matching companies

- [AXOlabs](/companies/axolabs)
  - Integrated CRO and CDMO specializing in nucleic acid therapeutics (ASOs, siRNA, sgRNA, aptamers) from lead identification through GMP manufacturing, with dual-site facilities in Petaluma, USA and Berlin, Germany.
- [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.
- [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.
- [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.
- [KCAS Bio](/companies/kcasbio)
  - Leading bioanalytical CRO with 45+ years of experience, supporting 315+ approved drugs through bioanalysis, biomarker, immunogenicity, flow cytometry, and clinical kitting services across US, EU, and Australia facilities.
- [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.
- [Pharmaron](/companies/pharmaron)
  - Premier life science CRO and CDMO offering integrated R&D and manufacturing across drug discovery, preclinical, clinical development, and commercialization for small molecules, biologics, and cell & gene therapies. 25,000+ employees across China, US, and UK.
- [Premier Research](/companies/premier-research)
  - Premier Research is a global full-service CRO delivering clinical research and development solutions across the complete drug development lifecycle. The organization provides comprehensive capabilities spanning study design, study startup, medical affairs, biostatistics and data management, central monitoring, clinical monitoring and site management, project and risk management, safety and pharmacovigilance, quality and compliance, and medical writing.
