Republic Services, Inc. is a provider of non-hazardous solid waste collection, transfer, disposal, recycling and energy services in the United States. The Company operates through three segments: East, Central and West. The Company operates in over 40 states and Puerto Rico through approximately 340 collection operations, over 200 transfer stations, over 190 active landfills, approximately 70 recycling centers, approximately 10 treatment, recovery and disposal facilities, and over 10 salt water disposal wells. It also operates approximately 70 landfill gas and renewable energy projects. It has post-closure responsibility for approximately 130 closed landfills. The Company provides residential, small-container commercial and large-container industrial solid waste collection services. Its residential collection business involves the curbside collection of waste for transport to transfer stations, or directly to landfills or recycling centers.