The Williams Companies, Inc. (NYSE: WMB) (â??Williamsâ??) and Williams Partners L.P. (NYSE: WPZ) (â??Williams Partnersâ??) today announced that Williams has closed the merger of Williams Partners with a subsidiary of Williams. Pursuant to the merger, Williams acquired all of the outstanding common units of Williams Partners it did not previously own. As a result of the merger, and following todayâ??s closing of the market, Williams Partners common units will no longer be publicly traded on the New York Stock Exchange.