Casella Waste Systems, Inc. engages in the provision of solid waste management services. It operates through the following segments: Eastern, Western, Mid-Atlantic, and Resource Solutions. The Eastern segment involves the operation of landfills located in Bethlehem, New Hampshire, and West Old Town, Maine. The Western region segment includes the management of landfills in Vermont and New York. The Mid-Atlantic consists of collection facilities and transfer station facility. The Resource Solutions segment focuses on the provision of materials processing, industrial recycling, organics, and resource management service. The company was founded in 1975 and is headquartered in Rutland, VT.