FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2006

Company

WESTLAKE CORP

Filed

February 26, 2007

Period of Report

December 31, 2006

Accession Number

0001193125-07-039877

A 10-K is a company's comprehensive annual report, required by the SEC. It includes audited financial statements, a description of the business, risk factors, and management's discussion of results. Learn more about 10-K filings →