Waste Management, Inc. - was founded in 1894 and is based in Houston, Texas. Waste Management (NYSE:WM) is the leading provider of comprehensive waste management and environmental services in North America. As of December 31, 2008, the company served nearly 20 million municipal, commercial, industrial and residential customers through a network of 367 collection operations, 355 transfer stations, 273 active landfill disposal sites, 16 waste-to-energy plants, 104 recycling plants, and 111 beneficial-use landfill gas projects.
Republic Services, Inc. - was founded in 1996 and is headquartered in Phoenix, Arizona. Republic Services (NYSE:RSG) is a leading provider of solid waste collection, transfer, recycling and disposal services. We operate 400 collection companies in 40 states and Puerto Rico and provide top quality services to commercial, industrial, municipal and residential customers. Republic serves millions of residential customers under contracts with more than 3,000 municipalities for waste collection and residential services.
American Ecology Corporation - was founded in 1952 and is headquartered in Boise, Idaho. American Ecology (NASDAQ:ECOL) is one of the nation’s oldest providers of radioactive and hazardous waste services. The company accepts hazardous and low-level radioactive waste from commercial and government entities, such as refineries and chemical production facilities, manufacturers, electric utilities, steel mills, and medical and academic institutions. American owns one commercial nuclear waste disposal site and three hazardous waste sites in the United States.