The United States Postal Service employs some 656,000 workers, making it the second-largest[2] civilian employer in the United States (excluding the federal government) following only Wal-Mart.[13] In a 2006 U.S. Supreme Court decision, the Court noted: "Each day, according to the Governments submissions here, the United States Postal Service delivers some 660 million pieces of mail to as many as 142 million delivery points."[14] The USPS operates 32,741 post offices and locations in the US. In August 2009 the Postal Regulatory Commission put forward a preliminary list of about 1000 it is considering closing to save money.[15] Its employees deliver mail at an average yearly cost of $235 per residence as of 2009.[16]