Combinatorial Chemistry  - information including news, products, symposia, employment, and more.

Network Science-CombiChem

Unofficial Combinatorial Chemistry Website

ChemRx Advanced Technologies  - providing combinatorial and medicinal chemistry products and services.

Combi-Blocks, Inc.  - manufacturer and supplier of bulk fine organic chemicals, active natural products, polymer-supported scavengers/reagents, combinatorial building blocks, and laboratory glassware.

BioFocus  - providing integrated combinatorial chemistry products and services for drug discovery and optimisation.

Rapp Polymere GmbH  - polymeric supports for combinatorial, peptide, nucleotide, and pharmaceutical chemistry.

Ryscor Science, Inc.  - specializes in custom chemical synthesis and boron chemistry. Manufactures boronic acids and other organometallic compounds for cross coupling and combinatorial chemistry.

Array Biopharma

Affymax Research Institute  - conducts research in combinatorial chemistry with technologies that enable efficient synthesis, screening, and optimization of potential new drug compounds.

ArQule, Inc.

Pharmacopeia, Inc.

Vertex Inc

Ellman Research Group  - combinatorial chemistry; methods for the synthesis and screening of large numbers of organic compounds for use as potential drugs.