---
title: Discovery Research CROs in United States
path: /services/discovery-research/us
companies_count: 23
---

# Discovery Research CROs in United States

23 published CROs match Discovery Research in United States.

Locations in this set include United States, China, United Kingdom, Australia, Denmark, and France.

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

## Matching companies

- [AAPharmaSyn](/companies/aapharmasyn)
  - Medicinal chemistry CRO specializing in custom lipid synthesis, stable isotope labeling, hit-to-lead optimization, and process development for pharmaceutical and biotech clients since 2006.
- [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.
- [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.
- [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.
- [Axxam](/companies/axxam)
  - Contract research organization specializing in integrated drug discovery services, from target validation to hit and lead identification across therapeutic areas.
- [Beantown Biotech](/companies/beantownbiotech)
  - Boston-based CRO specializing in assay development and biochemical & cellular screening for early-stage drug discovery, from target validation through lead optimization.
- [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.
- [Cassia, LLC](/companies/cassiallc)
  - Cassia, LLC is a San Diego-based CRO specializing in green chemo-enzymatic synthesis of stable-isotope labeled metabolites, proteins, and nucleic acids, plus LC-MS/MS RNA modification mapping services for discovery and therapeutic development.
- [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.
- [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.
- [HitGen Inc.](/companies/hitgen)
  - HitGen Inc. provides drug discovery services built on DNA-encoded library (DEL), fragment-based (FBDD/SBDD) and computational platforms for pharmaceutical and biotech clients. The company also offers oligonucleotide CDMO services and reports serving more than 600 clients globally.
- [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.
- [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.
- [R2M Pharma, Inc.](/companies/r2mpharma)
  - R2M Pharma is a medicinal chemistry CRO specializing in small-molecule drug discovery and preclinical development, from hit validation through GLP toxicology studies.
- [Reaction Biology](/companies/reactionbiology)
  - Global preclinical CRO specializing in kinase drug discovery, cell-based assays, in vivo pharmacology, and immuno-oncology with 1,000+ cell lines and hundreds of validated protein targets across US and EU facilities.
- [SoCal Biosciences, Inc.](/companies/socalbiosci)
  - San Diego-based bioanalytical CRO specializing in assay development and analysis for mRNA, oligonucleotides, and large molecules across discovery through clinical development phases.
- [Southern Research](/companies/southernresearch)
  - Leading contract research organization offering preclinical and clinical research services across infectious disease, oncology, and rare diseases, with specialized capabilities in bioanalytical labs, BSL-3 facilities, and in vivo models.
