Owens Corning is engaged in manufacturing and delivering a range of insulation, roofing, and fiberglass composite materials. The company's Composites segment includes vertically integrated downstream activities. The company manufactures, fabricates and sells glass reinforcements in the form of fiber. The company's Insulation segment includes a portfolio of high, mid and low-temperature products with a geographic mix of United States, Canada, Europe, Asia-Pacific and Latin America, a market mix of residential, commercial, industrial and other markets, and a channel mix of retail, contractor and distribution. The company's products in the Roofing segment are laminate and strip asphalt roofing shingles.

Republic Services is a provider of non-hazardous solid waste collection, transfer, disposal, recycling, and environmental services in the United States. The company operates through collection operations, transfer stations, active landfills, recycling processing centers, treatment, recovery and disposal facilities, salt water disposal wells, and deep injection wells. In addition, the company is engaged in landfill gas-to-energy and renewable energy projects and had post-closure responsibility for closed landfills. The company's operations primarily consist of providing collection, transfer and disposal of non-hazardous solid waste, recovering and recycling of certain materials, and environmental services.

Stericycle is engaged in the medical and hazardous waste management and secure information services. The company's segments are: North America, and International Regulated Waste and Compliance Services, which provides medical waste management services, pharmaceutical waste services, compliance programs, retail and healthcare, industrial and manufacturing hazardous waste management and secure information destruction; and Domestic Communication and Related Services, which provides appointment reminders, secure messaging, event registration, and other communications mainly for hospitals and integrated delivery network's as well as regulated recall and returns management communication, and logistics.

Waste Management is a holding company. Through its subsidiaries, the company is a provider of waste management environmental services. The company partners with its residential, commercial, industrial and municipal customers and the communities it serves to manage and reduce waste at each stage from collection to disposal, while recovering resources and creating renewable energy. The company's Solid Waste business is operated and managed by its subsidiaries that focus on various geographic areas and provide collection, transfer, disposal, and recycling and resource recovery services. Through its subsidiaries, the company is also a developer, operator and owner of landfill gas-to-energy facilities.