Chemical Manufacturing Companies in Illinois

Illinois has approximately 13,000 manufacturing establishments and 570,000 manufacturing employees. Illinois is a top-five manufacturing state, with Chicago as a metal fabrication and food processing center, Peoria as Caterpillar's headquarters, and a vast network of industrial suppliers.

Illinois is one of the leading states for chemical manufacturing. Chemical manufacturing encompasses companies that produce basic chemicals, specialty chemicals, petrochemicals, agricultural chemicals, adhesives, coatings, and cleaning compounds. The US is the world's second-largest chemical producer, with major production concentrated along the Gulf Coast where access to natural gas feedstocks provides a cost advantage.

Petrochemical Producers: Large-scale manufacturers of ethylene, propylene, benzene, and other base chemicals from petroleum and natural gas feedstocks.

Specialty Chemical Companies: Producers of performance chemicals, catalysts, electronic chemicals, and other high-value chemical products.

Coating & Adhesive Manufacturers: Companies producing paints, coatings, sealants, and adhesives for industrial and consumer applications.

Agricultural Chemical Producers: Manufacturers of fertilizers, herbicides, insecticides, and other crop protection chemicals.

Industrial Gas Companies: Producers and distributors of oxygen, nitrogen, hydrogen, argon, and specialty gases for manufacturing.

Major industrial centers in Illinois include Chicago, Rockford, Peoria, Aurora, Joliet, and Elgin. These cities have concentrations of manufacturers across sectors including metal fabrication, food processing manufacturing, and chemical manufacturing.