Waste Management, Inc. (WM) is a provider of waste management services in North America. WM�s subsidiaries provide collection, transfer, recycling, and disposal services. It is a developer, operator and owner of waste-to-energy and landfill gas-to-energy facilities in the United States. Its customers include residential, commercial, industrial and municipal customers throughout North America. Its segments include Eastern, Midwest, Southern, Western and Wheelabrator Groups. The Oakleaf operations are included in other. The services the Company provides include collection, landfill (solid and hazardous waste landfills), transfer, waste-to-energy facilities and independent power production plants, recycling and other services. In January 2013, its subsidiary, WM Recycle America, L.L.C., acquired Greenstar, LLC from NTR plc.