Stericycle, Inc. is engaged in the management of regulated waste and providing an array of related services. The Company operates in the United States, Canada, Mexico, Argentina, Chile, the United Kingdom and Ireland. Its national networks include a total of 89 processing or combined processing and collection sites, and 97 additional transfer, collection or combined transfer and collection sites. Stericycle, Inc.’s regulated waste processing technologies include autoclaving, its own electro-thermal-deactivation system (ETD), chemical treatment and incineration. During the year ended December 31, 2008, the Company completed 22 acquisitions, of which 12 were domestic regulated waste businesses, two were domestic return management businesses and eight were international regulated waste businesses in Canada, Latin America and Europe.