Waste Management, Inc. is a waste management, comprehensive waste, and environmental services company operating in North America. Founded in 1968, the company is headquartered in the Bank of America Tower in Houston, Texas. The company's network includes 337 transfer stations, 254 active landfill disposal sites, 97 recycling plants, 135 beneficial-use landfill gas projects and six independent power production plants. WM provides environmental services to nearly 21 million residential, industrial, municipal and commercial customers in the United States, Canada, and Puerto Rico. With 26,000 collection and transfer vehicles, WM has the largest trucking fleet in the waste industry. Combined with its largest competitor Republic Services, Inc., the two handle more than half of all garbage collection in The United States. Wikipedia