Waste Management (Waste Waste Management (WM), the largest integrated waste management company in North America, was founded in 1968; it went public in 1971 and is headquartered in Houston, Texas. As of 2013, WM has 390 recycling sites, 310 transfer stations, 267 landfills, 17 waste-to-energy plants, 120 resource recovery plants, 137 landfill gas projects and 36 organic processing facilities, providing environmental protection services to nearly 21 million customers in North America.