Attached files
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 |
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. |