Grace Davison - Manufacturer of catalysts, silicas, adsorbents and specialty products. Gulf Membrane & Coating Industries WLL - Manufacturers of waterproofing compounds, bituminous based resins, felts, and paints. Great Western Inorganics, Inc. - Supplier of hard to find inorganic materials. GKCH GmbH - German supplier of a variety of organic and inorganic chemicals and reagents. List of products carried. Grace - Specialty chemicals and materials company, supplying catalysts and silica products, construction and container products. Gotham Industries Inc. - Manufactures, packages and distributes branded and private-label formulated end-user products, including solvents, cleaners, paints, and automotive fluids. Québec, Canada. Gujarat Fluorochemicals, Ltd - India. Diversified company, active in refrigerants, chemicals, entertainment and renewable energy. Manufacturers of granular polytetrafluoroethylene (PTFE) resins for a variety of industrial applications. Technical information and product specifications on PDF files. Part of the Inox Group. GFS Chemicals - Manufactures specialty bulk inorganic, reagents and organic chemical for process chemistry.