Barrett Group
Research on the total synthesis of bioactive natural products, heterocyclic compounds, organometallic compounds, macrocyclic ethers and lactones and porphyrazines. The team is additionally investigating the use of catalysis in organic synthesis and the development of combinatorial chemistry and parallel synthesis for pharmaceutical discovery and other applications.
http://www.ch.ic.ac.uk/barrett/

Gesellschaft für Chemie und Technologie mbH
GMP compliant supplier of custom synthesis and protecting agents for the chemical and pharmaceutical industries. Also offers multi-step synthesis, based in Leuna, Germany.
http://www.chemtec-leuna.de/

Johnston Group
Project Solution, Synthetic Organic Chemistry, Chemical Synthesis, Jeff Johnston, Jeffrey N. Johnston, The Johnston Group
http://www.vanderbilt.edu/proton/solution/modules/m011/view_article.php?section=frontpage

Glycoscience Group
Chemical synthesis of biologically relevant oligosaccharides. Synthesis of glycosidases inhibitors. Natural products synthesis. Study of oligomannosides and cyclodextrines.
http://www.chimie.ens.fr/UMR8642/Glycoscience/index.html

Nantong Changchem
Supplier of pharmaceutical intermediates, specialty chemicals, and custom synthesis service.
http://www.changchem.com/

GlycoSyn
Provides small molecules, carbohydrates and multi-step synthesis using in pharmaceutical industry from New Zealand.
http://www.glycosyn.com

Nanosyn
Nanosyn is a medicinal chemistry-based company specializing in the design, synthesis and analysis of small organic compounds for the pharmaceutical and biotechnology industries. With the soaring cost and length of today's drug development process, Nanosyn's products and services have become critical components of proprietary drug development platforms at pharmaceutical company's world wide.
http://www.nanosyn.com

TCI America
Website of Organic Chemical Manufacture
http://www.tciamerica.com/

Link Technologies, Ltd.
Link Technologies is a leading manufacturer of reagents (DNA, RNA, LNA and PNA) for oligonucleotide synthesis and modification. Our products include phosphoramidites, CPG, and custom synthesis. We also develop products in areas such as diagnostics and microarrays.
http://www.linktech.co.uk/

Aggarwal Group
Development of new catalytic processes for asymmetric synthesis. Development of new methodology and its applications in synthesis. Total synthesis of biologically important targets.
http://www.chm.bris.ac.uk/org/aggarwal/aggarhp.html