Stepan Company, together with its subsidiaries, produces and sells specialty and intermediate chemicals to manufacturers for use in various end products worldwide. It operates in three segments: Surfactants, Polymers, and Specialty Products. The Surfactants segment offers surfactants that are used as principal ingredients in consumer and industrial cleaning products, such as detergents for washing clothes, dishes, carpets, floors, and walls; shampoos, body washes and conditioners, fabric softeners, toothpastes, cosmetics, and other personal care products; emulsifiers for agricultural products; emulsion polymers, such as floor polishes and latex foams and coatings, wetting, and foaming agents for wallboard manufacturing; and enhanced oil recovery. The Polymers segment provides polyurethane polyols that are used in the manufacture of rigid foam for thermal insulation in the construction industry, as well as a base raw material for coatings, adhesives, sealants and elastomers, and flexible foams; polyester resins, including liquid and powdered resins, which are used in CASE and polyurethane systems house applications; and phthalic anhydride that is used in unsaturated polyester resins, alkyd resins, and plasticizers for applications in construction materials, as well as components of automotive, boating, and other consumer products. The Specialty Products segment flavors, emulsifiers, and solubilizers for use in the food, flavoring, nutritional supplement, and pharmaceutical applications. The company was founded in 1932 and is headquartered in Northfield, Illinois.