The Chemicals category focuses on industries and companies engaged in chemical manufacturing, including:

• Basic organic and inorganic chemical compounds, resins, additives, pigments, dyes, and petrochemicals which are generally used as raw materials for other chemical products,
• Intermediate and end products for both industrial and consumer use, including cleaning agents, adhesives and coatings, and agricultural chemicals,
• Synthesis of polymers and plastics, as well as companies which provide contract processing such as extrusion or molding,
• Support industries such as producers of chemical manufacturing equipment as well as associations, wholesalers, importers, and media companies focussing on chemical sectors

• Topics related to scientific or academic aspects of either chemistry or chemical engineering are organized in Science: Chemistry and Science: Technology: Chemical Engineering, respectively.
• Pharmaceuticals are listed in Business: Biotechnology and Pharmaceuticals: Pharmaceuticals.