Casella Waste Systems, Inc., together with its subsidiaries, operates as a vertically-integrated solid waste services company in the northeastern United States. The company operates through Eastern Region, Western Region, Recycling, and Other segments. It offers resource management services primarily in the areas of solid waste collection and disposal, transfer, recycling, and organics services to residential, commercial, municipal, and industrial customers. The company provides a range of non-hazardous solid waste services, including collections, transfer stations, material recovery facilities, and disposal facilities. It also markets recyclable metals, aluminum, plastics, and paper and corrugated cardboard that are processed at its facilities, as well as recyclables purchased from third parties. In addition, the company is involved in commodity brokerage operations. As of January 31, 2020, it owned and/or operated 43 solid waste collection operations, 58 transfer stations, 20 recycling facilities, 8 Subtitle D landfills, 4 landfill gas-to-energy facilities, and 1 landfill permitted to accept construction and demolition materials. The company was founded in 1975 and is headquartered in Rutland, Vermont.