Waste Management is one of the leading providers of comprehensive waste management services in North America. The company, along with its subsidiaries, provides collection, transfer, recycling, resource recovery and disposal services. Its network includes more than 350 collection operations, over 340 transfer stations, nearly 280 active landfill disposal sites and approximately 16 waste-to-energy plants. Waste Management also owns and operates more than 130 recycling facilities, over 90 beneficial-use landfill gas projects and 6 independent power production plants. The company s subsidiaries include Wheelabrator Technologies and WM Recycle America. Waste Management maintains a fleet of more than 22,000 collection and transfer vehicles and collects over 70 million tons of solid waste every year from nearly 20 million residential, municipal, commercial and industrial customers in the United States, Canada and Puerto Rico. Headquartered in Houston, the company maintains several locations in Phoenix.