GTF Labs, Inc. 
California based manufacturer of specialty chemical products. Primary focus is on Industrial Strength products used as additives, intermediates or cleaning compounds.
http://www.gtflabs.com/Gulf Membrane & Coating Industries WLL
Manufacturers of waterproofing compounds, bituminous based resins, felts, and paints.
http://www.gmcibahrain.com
Great Western Inorganics, Inc.
Supplier of hard to find inorganic materials.
http://www.greatwesterninorganics.com/
Grace Davison
Manufacturer of catalysts, silicas, adsorbents and specialty products.
http://www.gracedavison.com/
Guardian Anti-Corrosives Pvt. Ltd.
Manufacturer and exporter of metal pre-treatment chemicals, anti-corrosives and rust preventive, phosphating chemicals form Chennai, South India.
http://www.guardianchemicals.com/
GKCH GmbH
German supplier of a variety of organic and inorganic chemicals and reagents. List of products carried.
http://www.gkch-killinger.de
Gaoyou Auxiliary Factory
Produces fluorescent brighteners, organic pigments, antioxidants, blowing agents and catalysts for foam production, and a range of organic intermediates.
http://www.gy-chem.com
Grace
Specialty chemicals and materials company, supplying catalysts and silica products, construction and container products.
http://www.grace.com/
Gotham Industries Inc.
Manufactures, packages and distributes branded and private-label formulated end-user products, including solvents, cleaners, paints, and automotive fluids. Québec, Canada.
http://www.gothamindustries.com
