GLSynthesis performs laboratory scale (custom) organic synthesis for major US and international pharmaceutical companies, startup drug discovery and "virtual" companies, biotechnology companies, and academic and research institutions. The company carries out drug discovery and development research, including synthesis, pharmacokinetic studies and pharmacological testing of drug candidates, through corporate contracts and small business (NIH) grants. The firm is developing the Fluorosome® Technique for passive and active drug absorption studies, and is actively marketing the reagents and equipment. The firm manufactures specialty organic chemicals and pharmaceutical intermediates and supplies these products to customers worldwide. With its expanded operations in China, GLSynthesis provides customers with a full range of chemical manufacturing services, from small scale custom synthesis, to FTE-based contract synthesis, to pilot scale and commercial scale manufacturing. The company's laboratories are in the Massachusetts Biotechnology Research Park, Worcester, MA and its production facilities are in China.