7. K.A. Steel Chemicals Inc.

Lemont, Ill.

Phone: (630) 257-3900

Website: www.kasteelchemicals.com

2008 Sales: $400 million

Management: Robert F. Steel, CEO

Products: Acids, chlor-alkali, inorganics

Markets served: Primary chemical processing, cosmetics/personal care, pulp & paper, paints & coatings, automotive, municipal, petroleum refining, food & beverage, plastics & rubber, adhesives & sealants, soaps & detergents, electronics, textiles, tires & rubber