Oligonucleotides Suppliers

Companies offering oligonucleotide synthesis, including antisense oligos, siRNA, custom DNA/RNA probes, and related nucleic acid services. Bachem reports increasing crossover between its peptides and oligonucleotides (TIDES) franchise, with the company positioning as a dual-platform CDMO for both molecular classes. The oligonucleotide manufacturing process uses phosphoramidite chemistry on controlled-pore glass (CPG) or polystyrene supports with automated synthesizers, followed by cleavage, deprotection, and purification via anion-exchange HPLC or PAGE. Applications include antisense therapeutics, siRNA for gene silencing, aptamers for targeted delivery, and PCR primers for diagnostic development. Showing 26 listed suppliers.

Our directory lists suppliers offering oligonucleotides services across Global, North America, Asia, Europe regions. Supplier types include CDMO, Research Supplier, Retail Research Peptides, Chemical Supplier, Manufacturer. Browse individual profiles below for detailed capability information, manufacturing standards, and quality documentation.

Directory listing last reviewed October 2026.

Bachem Holding AG logo

Bachem Holding AG

Switzerland / USA • CDMO

GMPCOA
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CPC Scientific logo

CPC Scientific

USA / China • CDMO

COA
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Lonza Peptides logo

Lonza Peptides

Switzerland / USA • CDMO

GMPISOCOA
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Sinopep Biopharma logo

Sinopep Biopharma

China • CDMO

GMP
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Sai Life Sciences logo

Sai Life Sciences

India • CDMO

GMP
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CordenPharma logo

CordenPharma

Germany / Switzerland • CDMO

GMPCOA
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Veranova logo

Veranova

USA • CDMO

COAGMP
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EUROAPI logo

EUROAPI

France • CDMO

COAGMP
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KareBay Biochem logo

KareBay Biochem

USA (NJ) • CDMO

COA
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Polypure GmbH logo

Polypure GmbH

Germany • CDMO

COA
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WuXi TIDES logo

WuXi TIDES

China • CDMO

GMP
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Kilo Biotechnology logo

Kilo Biotechnology

China (Ningbo) • CDMO

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CSBio logo

CSBio

USA (CA) • CDMO

GMP
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Bio Basic logo

Bio Basic

Canada (Ontario) • Research Supplier

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Eurogentec logo

Eurogentec

Belgium • CDMO

COAGMP
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Cambridge Peptides logo

Cambridge Peptides

UK (Birmingham) • Retail Research Peptides

COA
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AltaBioscience logo

AltaBioscience

UK (Worcestershire) • CDMO

COA
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CordenPharma Colorado logo

CordenPharma Colorado

USA (Boulder, CO) • CDMO

GMPCOA
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PCI Pharma Services logo

PCI Pharma Services

USA (Philadelphia, PA) • CDMO

GMPCOA
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Ajinomoto Bio-Pharma Services logo

Ajinomoto Bio-Pharma Services

USA (Grove City, OH) / Belgium / Japan / India • CDMO

GMPCOA
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Porton Pharma Solutions Ltd. logo

Porton Pharma Solutions Ltd.

China • CDMO

GMP
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BOC Sciences logo

BOC Sciences

United States • Chemical Supplier

COA
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Chinese Peptide Company (Medtide) logo

Chinese Peptide Company (Medtide)

China (Hangzhou) • CDMO

GMP
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Hangzhou Apextide Biomedical logo

Hangzhou Apextide Biomedical

China (Hangzhou) • CDMO

GMP
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Aurisco Pharmaceutical logo

Aurisco Pharmaceutical

China (Yangzhou) • Manufacturer

GMP
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Sichuan Duorui Biopharmaceutical logo

Sichuan Duorui Biopharmaceutical

China (Chengdu) • CDMO

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