About Us


Stepan Company was founded in 1932 by Alfred C. Stepan Jr. Headquartered in Northfield, Illinois, Stepan manufactures basic and intermediate chemicals, including surfactants, specialty products, germicidal and fabric softening quaternaries, phthalic anhydride (P.A.), polyurethane polyols and special ingredients for the food, supplement and pharmaceutical markets.

Our Products


With more than 2,000 employees and 18 manufacturing locations worldwide, Stepan is one of the largest surfactant manufacturers in the world. Surfactants are a key ingredient in consumer and industrial cleaning compounds, and Stepan provides expertise for commercial and industrial applications, ranging from emulsifiers for agricultural insecticides to agents used in oil recovery.

Stepan offers a broad range of products, including a full line of anionic, cationic, nonionic and amphoteric surfactants, as well as surfactant blends and specialty esters. The company also creates custom surfactants and formulated blends to meet unique customer demands. Learn more about Stepan Company’s surfactants


Stepan Company is a leading manufacturer of polymers, including phthalic anhydride (P.A.), polyester polyols and specialty polyurethane foam systems. We marry our innovative STEPANPOL® polyol chemistry, vertically integrated supply chain and market-leading technical service to meet the needs of our global customers.

Specialty products

Stepan produces other specialty chemicals, often custom-made to meet individual needs. These include flavors, emulsifiers and solubilizers used in the food and pharmaceutical industries. Learn more about Stepan Company’s specialty products.  


Global Reach

All of Stepan’s 18 manufacturing plants, located in 11 countries throughout North and South America, Europe and Asia, are ISO 9001:2015 certified. With global R&D centers, responsive sales and logistics organizations and a worldwide distribution network, Stepan offers a broad portfolio of products to customers in any location. View Stepan’s manufacturing strengths around the world. 

Our Distributors

As a global chemical manufacturing company, Stepan has established an effective global distribution network, utilizing qualified distributors and serving all targeted markets around the world. The company is fully dedicated to serving our small customers, and the distribution strategy is structured by geographic region.

To buy surfactants and other Stepan Company chemical products, locate a sales office or distributor near you.