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Manufacturers

9 results · CA

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Find GMP, contract, and API peptide manufacturers. Verified manufacturing facilities listed on The Peptide Alliance.

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Peptide Brands · Huntington Beach, CA

Elite Synthetics

Elite Synthetics is a leading research peptide provider based in Huntington Beach, specializing in a comprehensive catalog of high-quality compounds for laboratory and research applications. Their extensive product lineup includes popular research peptides such as Retatrutide, Tirzepatide, BPC-157, TB-500, and GHK-Cu, alongside specialized formulations like Wolverine, Glow, Klow and reconstitution solution (bac water). Whether you're sourcing established peptides or exploring emerging research compounds, Elite Synthetics delivers the variety and quality that researchers and businesses depend on. With a commitment to serving the global peptide community, they provide reliable access to compounds that support scientific advancement and research initiatives. Connect with Elite Synthetics today to discover how they can support your research needs.

United States
Manufacturers · Torrance, CA

Bachem Americas

US subsidiary of Swiss-based Bachem Holding, a global leader in peptide chemistry. FDA-registered and GMP-compliant. Provides full-service CDMO capabilities from process development to large-scale commercial API production.

United StatesNational
Manufacturers · Fremont, CA

AnaSpec

Leading biotech CMO with 30+ years of peptide manufacturing experience. 44,000 sq ft facility in California's Silicon Valley. Manufactures custom GMP peptides and dyes for diagnostics, biopharmaceuticals, and cosmetics.

United StatesNational
Manufacturers · San Diego, CA

ImprimisRx

San Diego-based 503B outsourcing facility offering compounded ophthalmology, urology, and specialty medications including peptide-based preparations. FDA-registered, PCAB-accredited, and ships nationally to healthcare providers.

United StatesNational
Manufacturers · Rocklin, CA

CPC Scientific

CDMO specializing in large-scale, late-phase, and commercial GMP peptide and oligonucleotide manufacturing. Annual peptide API production capacity exceeds 1,000 kg. Serves clinical and commercial pharmaceutical clients.

United StatesNational
Manufacturers · Torrance, CA

Enovachem Pharmaceuticals

Torrance-based 503B pharmaceutical outsourcing facility manufacturing sterile injectable peptide preparations including sermorelin, ipamorelin, and CJC-1295. FDA-registered and ships to licensed practitioners nationally.

United StatesNational
Manufacturers · San Diego, CA

Abzena

Integrated biologics and peptide CDMO with San Diego bioconjugation facilities. Offers end-to-end pharmaceutical development and manufacturing services including custom peptide-drug conjugate production for biopharma.

United StatesNational
Manufacturers · Torrance, CA

PolyPeptide Group

Global GMP peptide CDMO with North American headquarters in Torrance, CA. One of the world's largest dedicated peptide manufacturers. Specializes in peptide API manufacturing from Phase I through commercial scale.

United StatesNational
Manufacturers · San Diego, CA

Biopeptide Co.

San Diego-based custom peptide synthesis and manufacturing company offering research and GMP-grade peptide production. Specializes in difficult sequence synthesis, isotopically labeled peptides, and peptide libraries for pharmaceutical and biotech clients.

United States