HOUSTON, May 2, 2011 /PRNewswire/ -- Westlake Chemical Corporation (NYSE: WLK) announced today receipt of a number of awards and recognition for excellence in safety during 2010.

CALVERT CITY, Ky., March 15, 2011 /PRNewswire/ -- Optima Group LLC has acquired 100% of the membership interest of the ferroalloys producer, CC Metals & Alloys, LLC from CCA Acquisition & Holding, Inc. and other investors.

HOUSTON, Sept. 17 /PRNewswire-FirstCall/ -- North American Pipe, a wholly-owned subsidiary of Houston-based Westlake Chemical Corporation , announced today it has begun shipping products from its newly completed large diameter PVC pipe facility located in Calvert City, KY.

HOUSTON, Aug. 29 /PRNewswire-FirstCall/ -- Westlake Chemical Corporation announced today it will construct a new chlor alkali plant to be located at its vinyls manufacturing complex in Geismar, Louisiana.

By Joe Walker, The Paducah Sun, Ky. Nov. 29--CALVERT CITY, Ky. -- U.S. Rep. Ed Whitfield this morning will tour the CoalTek plant, which is considering an expansion at 5044 Industrial Parkway.