Allied Waste Industries, Inc. was a Fortune 500 company headquartered in Phoenix, Arizona. The company formally traded on the New York Stock Exchange (AW).

A vertically integrated company that owned and operated solid waste collection businesses, recycling facilities, and landfills, it was a leader in the solid waste industry in the United States. It served more than 10 million residential, commercial and industrial customers across 128 major markets in 37 states and Puerto Rico.

On June 23, 2008, Allied was purchased by its smaller competitor Republic Services, Inc for US$6.1 billion. The merged company, retaining the Republic name, has become the second largest non-hazardous solid waste management company in the United States.

Source: Wikipedia