SIC Code 28 – Chemicals and Allied Products
This major group includes establishments producing basic chemicals, and establishments manufacturing products by predominantly chemical processes.
Establishments classified in this major group manufacture three general classes of products:
(1) basic chemicals, such as acids, alkalies, salts, and organic chemicals
(2) chemical products to be used in further manufacture, such as synthetic fibers, plastics materials, dry colors, and pigments
(3) finished chemical products to be used for ultimate consumption, such as drugs, cosmetics, and soaps; or to be used as materials or supplies in other industries, such as paints, fertilizers, and explosives.