Attached files

file filename
10-K - FORM 10-K FOR FISCAL YEAR ENDED DECEMBER 31, 2009 - WESTLAKE CHEMICAL CORPd10k.htm
EX-31.1 - SECTION 302 CERTIFICATION OF CEO - WESTLAKE CHEMICAL CORPdex311.htm
EX-23.1 - CONSENT OF PRICEWATERHOUSECOOPERS LLP - WESTLAKE CHEMICAL CORPdex231.htm
EX-31.2 - SECTION 302 CERTIFICATION OF CFO - WESTLAKE CHEMICAL CORPdex312.htm
EX-32.1 - SECTION 906 CERTIFICATIONS OF CEO AND CFO - WESTLAKE CHEMICAL CORPdex321.htm

EXHIBIT 21

SUBSIDIARIES OF WESTLAKE

 

Name of Subsidiary

 

State or Other Jurisdiction

of Incorporation or

Organization

 

Names

Doing Business

Geismar Holdings, Inc.

  Delaware  

Geismar Holdings, Inc.

GVGP, Inc.

  Delaware  

GVGP, Inc.

North American Pipe Corporation

  Delaware  

North American Pipe Corporation and NAPCO

Van Buren Pipe Corporation

  Delaware  

Van Buren Pipe Corporation

Westech Building Products, Inc.

  Delaware  

Westech Building Products, Inc.

Westech Building Products Limited

  Canada  

Westech Building Products Limited

Westlake Chemical Investments, Inc.

  Delaware  

Westlake Chemical Investments, Inc.

Westlake Development Corporation

  Delaware  

Westlake Development Corporation

Westlake Ethylene Pipeline Corporation

  Delaware  

Westlake Ethylene Pipeline Corporation

Westlake Supply and Trading Company

  Delaware  

Westlake Supply and Trading Company

Westlake International Investments Corporation

  British Virgin Islands  

Westlake International Investments Corporation

Westlake International Services
Corporation

  Delaware  

Westlake International Services Corporation

Westlake Longview Corporation

  Delaware  

Westlake Longview Corporation

Westlake Management Services, Inc.

  Delaware  

Westlake Management Services, Inc.

Westlake NG I Corporation

  Delaware  

Westlake NG I Corporation

Westlake NG III Corporation

  Delaware  

Westlake NG III Corporation

Westlake NG IV Corporation

  Delaware  

Westlake NG IV Corporation

Westlake NG V Corporation

  Delaware  

Westlake NG V Corporation

Westlake Olefins Corporation

  Delaware  

Westlake Olefins Corporation

Westlake Petrochemicals LLC

  Delaware  

Westlake Petrochemicals LLC, Westlake Petrochemicals LP and WPE

Westlake Polymers LLC

  Delaware  

Westlake Polymers LLC, Westlake Polymers LP and WPE

Westlake Profiles Limited

  Canada  

Westlake Profiles Limited

Westlake PVC Corporation

  Delaware  

Westlake PVC Corporation

Westlake Resources Corporation

  Delaware  

Westlake Resources Corporation

Westlake Styrene LLC

  Delaware  

Westlake Styrene LLC and Westlake Styrene LP

Westlake Trinidad Unlimited

  Trinidad  

Westlake Trinidad Unlimited

Westlake Vinyl Corporation

  Delaware  

Westlake Vinyl Corporation

Westlake Vinyls Company LP

  Delaware  

Westlake Vinyls Company LP

Westlake Vinyls, Inc.

  Delaware  

Westlake Vinyls, Inc., Westlake Monomers and WCAO

WPT LLC

  Delaware  

WPT LLC and WPT LP

Suzhou Huasu Plastics Co., Ltd.*

  China  

Suzhou Huasu Plastics Co., Ltd. and Huasu

Westlake Chemical (China) Corporation

  Delaware  

Westlake Chemical (China) Corporation

 

* Westlake owns 59% of this entity but accounts for it using the equity method.