---
title: Oligonucleotide CROs in United States
path: /modalities/oligonucleotide/us
companies_count: 13
---

# Oligonucleotide CROs in United States

13 published CROs match Oligonucleotide in United States.

Locations in this set include United States, China, United Kingdom, India, Japan, and South Korea.

Capabilities that show up most often in this set: Discovery Research, Bioanalysis, Translational Research, LC-MS Bioanalysis (Small Molecule), and Biomarker Assays.

## 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.
- [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.
- [Amador Bioscience](/companies/amadorbioscience)
  - Amador Bioscience provides bioanalysis and biomarker services, including LCMS, immunoassays, flow cytometry, and immunogenicity testing, alongside clinical pharmacology modeling and regulatory affairs support. Its labs are GLP compliant, and its teams work across the US, China, and Europe.
- [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.
- [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.
- [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.
- [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.
- [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.
- [Syngene International](/companies/syngeneintl)
  - Innovation-led CRDMO offering integrated scientific services from early discovery through commercial manufacturing, with cGMP-compliant facilities, 5,200+ scientists, and a new 50,000-liter single-use bioreactor capacity in the U.S.