CECO Environmental Corp. (CECO) operates as a provider of air pollution control products and services through four principal product groups. The Contracting Group produces air pollution control and industrial ventilation systems. The Equipment Group produces various types of air pollution control equipment. The Company’s Parts Group manufactures products used by CECO and other air pollution control companies and contractors. The Engineering Group provides industrial ventilation engineering and source emission testing services. As of December 31, 2008, CECO had a diversified customer base of more than 3,000 active customers across a range of industries. Its customers include aerospace, automotive, foundry, ethanol, power and metals companies, including General Electric Company, General Motors Corporation, The Procter & Gamble Company, America Honda Motor Co., Inc., The Boeing Company, Corning Incorporated, Toyota North America, Inc., The Babcock & Wilcox Company, and Alstom.