---
title: Oligonucleotide CDMOs in United States
path: /modalities/oligonucleotide/us
companies_count: 16
---

# Oligonucleotide CDMOs in United States

16 published CDMOs match Oligonucleotide in United States.

Locations in this set include United States, China, United Kingdom, Japan, Singapore, and Switzerland.

Capabilities that show up most often in this set: CMC Analytical Development, Quality Control Testing, Technology Transfer, Oligonucleotide Manufacturing, and Process Development.

## Matching companies

- [AM Chemicals LLC](/companies/amchemicals)
  - AM Chemicals supplies universal solid supports and phosphoramidite reagents for oligonucleotide synthesis, and offers custom radiolabeling services for ¹⁴C, ³⁵S, and ³H oligonucleotides with optional GMP manufacturing.
- [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.
- [Ajinomoto Bio-Pharma Services](/companies/ajibio-pharma)
  - Ajinomoto Bio-Pharma Services is a global contract development and manufacturing organization (CDMO) dedicated to improving the health of humankind through adaptive solutions and responsive service.
- [Almac Group](/companies/almacgroup)
  - Global CDMO with 7,900+ employees across 18 facilities, offering integrated drug development and manufacturing services including analytical development, formulation, process development, fill-finish, and specialized chemistry capabilities.
- [Argonaut Manufacturing Services](/companies/argonautms)
  - Argonaut is a sterile fill-finish CDMO specializing in isolator-based aseptic manufacturing for biologics, peptides, nucleic acids, lipid nanoparticles, gene therapies, and vaccines from preclinical through commercial scale, with FDA and Annex 1 compliance.
- [BSP Pharmaceuticals](/companies/bsppharmaceuticals)
  - BSP Pharmaceuticals is a CDMO specializing in development and manufacturing of cytotoxic oncology drugs, ADCs, peptides, proteins, and lipid-based formulations from preclinical GLP through commercial supply.
- [Bachem](/companies/bachem)
  - Global leader in peptide and oligonucleotide development and manufacturing, offering GMP-compliant clinical and commercial supply from early research through commercial scale.
- [GBI Biomanufacturing](/companies/gbi-biomanufacturing)
  - Full-service biologics CDMO offering integrated development and manufacturing services including cell banking, upstream/downstream processing, bioconjugation, aseptic fill-finish, and regulatory support for complex biopharmaceuticals.
- [Global Biotech Laboratories](/companies/globalbiotechlaboratories)
  - Global Biotech Laboratories is a peptide and oligonucleotide CDMO offering end-to-end contract development and manufacturing from route scouting through validated commercial supply, with cGMP and ICH Q7 compliance across manufacturing sites on three continents.
- [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.
- [PharmaBlock](/companies/pharmablock)
  - Leading provider of innovative chemistry products and services for pharmaceutical R&D and commercial manufacturing, with expertise in process development, GMP manufacturing, and low-carbon chemistry solutions.
- [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.
- [Porton](/companies/portonpharma)
  - Porton is a global CDMO offering integrated manufacturing and development services across small molecules, peptides, oligonucleotides, biologics, and conjugates with specialized capabilities in flow chemistry, biocatalysis, and advanced therapies.
- [Singota Solutions](/companies/singota)
  - Bloomington-based CDMO specializing in aseptic filling of small-volume parenterals (vials, syringes, cartridges), formulation development, QC testing, and supply chain management with GMP-compliant operations.
- [Stevanato Group](/companies/stevanatogroup)
  - Leading global provider of integrated drug containment, drug delivery, and diagnostic solutions with 75+ years' experience in glass primary packaging, contract manufacturing, and analytical services across development, clinical, and commercial stages.
- [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.