Republic Services, Inc. is a Phoenix, Arizona-based environmental services company and the second-largest solid waste provider in the United States by revenue, after WM. It provides non-hazardous solid waste collection, transfer, disposal and recycling and, since its 2022 acquisition of US Ecology, hazardous waste and environmental solutions, alongside landfill gas-to-energy and renewable natural gas projects. As of 2024 it operated 367 collection operations, 248 transfer stations, 75 recycling centers and 208 active landfills, including the largest US landfill at Apex, Nevada. The company generated $16.03 billion of revenue in 2024, employs about 42,000 people, trades on the NYSE as RSG and is roughly 35% owned by Bill Gates's Cascade Investment.