Republic Services, Inc is the one of the largest provider of non-hazardous solid waste collection, transfer, disposal, recycling, and energy services in the United States. The company is active in recycling, reducing carbon emissions by replacing diesel trucks with compressed natural gas-powered trucks, supporting composting and other community projects which relate to environmental conservation, sustainability and education. By 2017, it operated in 40 states and Puerto Rico. Based on 2017 revenue of over $10 billion, the firm retained the number two position in the industry.