AmbioPharm, Inc. (APi) is a full-service peptide manufacturing company headquartered at our cGMP peptide manufacturing facility in North Augusta, SC. In our cGMP manufacturing facility in Shanghai, China, we manufacture peptides at very large scales, provide pilot manufacturing and process development, and manufacture raw materials, building blocks, and custom peptides. Our two cGMP facilities are capable of handling any manufacturing scale to produce bulk peptides to custom specifications using a wide range of skill sets in solid and solution-phase chemistry. In a addition to manufacturing peptides, we also perform organic conjugations of peptides to proteins, toxoids, antifungals, KLH and PEG.

C S Bio is one of the leading producer of peptide synthesizers for research organizations, universities and pharmaceutical companies throughout the world.

ChemPep: One stop for peptide synthesis. ChemPep provides custom services in peptide synthesis and peptide array. ChemPep is the leading supplier of amino acid building blocks, peptide coupling reagents, solid phase synthesis resins, fluorescent dyes, pharmaceutical peptides, catalog peptides and cosmetic peptides.

Celtek Peptides, a division of Celtek Bioscience LLC, provides peptides to researchers at universities and institutes, and to biotechnology and pharmaceutical companies.