EXHIBIT 21
SUBSIDIARIES OF WESTLAKE *
Name of Subsidiary | State or Other Jurisdiction of Incorporation or Organization | Names Doing Business | ||
6630987 Canada, Inc. | Canada | 6630987 Canada, Inc. | ||
Axiall Canada, Inc. | Canada | Axiall Canada, Inc. | ||
Axiall Corporation | Delaware | Axiall Corporation | ||
Axiall Holdco, Inc. | Delaware | Axiall Holdco, Inc. | ||
Axiall Limited Partnership | Canada | Axiall Limited Partnership | ||
Axiall Noteco, Inc. | Delaware | Axiall Noteco, Inc. | ||
Axiall Ohio, Inc. | Delaware | Axiall Ohio, Inc. | ||
Axiall Taiwan Ltd. | Taiwan | Axiall Taiwan Ltd. | ||
Axiall, LLC | Delaware | Axiall, LLC | ||
Eagle Holdco 3 LLC | Delaware | Eagle Holdco 3 LLC | ||
Eagle Natrium LLC | Delaware | Eagle Natrium LLC | ||
Eagle Pipeline, Inc. | Louisiana | Eagle Pipeline, Inc. | ||
Eagle Spinco Inc. | Delaware | Eagle Spinco Inc. | ||
Eagle US 2 LLC | Delaware | Eagle US 2 LLC | ||
EPS Ethylen-Pipeline-Sud Geschaftsfuhrungs GmbH | Germany | EPS Ethylen-Pipeline-Sud Geschaftsfuhrungs GmbH | ||
EPS Ethylen-Pipeline-Sud GmbH & Co. KG | Germany | EPS Ethylen-Pipeline-Sud GmbH & Co. KG | ||
George Gulf Lake Charles, LLC | Delaware | George Gulf Lake Charles, LLC | ||
InfraServ GmbH & Co. Gendorf KG | Germany | InfraServ GmbH & Co. Gendorf KG | ||
InfraServ GmbH & Co. Knapsack KG | Germany | InfraServe GmbH & Co. Knapsack KG | ||
LACC, LLC | Delaware | LACC, LLC | ||
Lagoon LLC | Delaware | Lagoon LLC | ||
Mexaxiall, S. de R.L. de C.V. | Mexico | Mexaxiall, S. de R.L. de C.V. | ||
North American Pipe Corporation | Delaware | North American Pipe Corporation and NAPCO | ||
North American Specialty Products LLC | Delaware | North American Specialty Products LLC | ||
PHH Monomers, LLC | Louisiana | PHH Monomers, LLC | ||
Plastic Trends, Inc. | Michigan | Plastic Trends, Inc. | ||
Rome Acquisition Holding Corp. | Nova Scotia | Rome Acquisition Holding Corp. | ||
Rome Delaware Corp. | Delaware | Rome Delaware Corp. | ||
Royal Building Products (USA) Inc. | Delaware | Royal Building Products (USA) Inc. | ||
Royal Group, Inc. Groupe Royal, Inc. | Canada | Royal Group, Inc. Groupe Royal, Inc. | ||
Royal Plastics Group (U.S.A.) Limited | Delaware | Royal Plastics Group (U.S.A.) Limited | ||
Royal Ventures Construction & Development Inc. | Philippines | Royal Ventures Construction & Development Inc. | ||
Royal Ventures Land Holdings Corp. | Philippines | Royal Ventures Land Holdings Corp. | ||
Royal Window and Door Profiles Plant 13 Inc. | Pennsylvania | Royal Window and Door Profiles Plant 13 Inc. | ||
Royal Window and Door Profiles Plant 14 Inc. | Washington | Royal Window and Door Profiles Plant 14 Inc. | ||
RS Cogen, L.L.C. | Louisiana | RS Cogen, L.L.C. | ||
Shriram Axiall Private Limited | India | Shriram Axiall Private Limited | ||
Taiwan Chlorine Industries Ltd. | Taiwan | Taiwan Chlorine Industries Ltd. | ||
Vinnolit Benelux-France B.V.B.A. | Dendermonde, Belgium | Vinnolit Benelux-France B.V.B.A. | ||
Vinnolit GmbH & Co. KG | Ismaning, Germany | Vinnolit GmbH & Co. KG | ||
Vinnolit Hillhouse Ltd. | Lancashire, England | Vinnolit Hillhouse Ltd. | ||
Vinnolit Italia S.r.L. | Milan, Italy | Vinnolit Italia S.r.L. | ||
Vinnolit Ltd. | United Kingdom | Vinnolit Ltd. | ||
Vinnolit Schkopau GmbH | Ismaning, Germany | Vinnolit Schkopau GmbH | ||
Vinyl Solutions, LLC | Delaware | Vinyl Solutions, LLC | ||
Westech Building Products, Inc. | Delaware | Westech Building Products, Inc. | ||
Westech Building Products ULC | Canada | Westech Building Products ULC and Westech Building Products Limited | ||
Westlake Chemical Finance Corporation | Delaware | Westlake Chemical Finance Corporation | ||
Westlake Chemical OpCo LP | Delaware | Westlake Chemical OpCo LP | ||
Westlake Chemical Partners LP | Delaware | Westlake Chemical Partners LP | ||
Westlake Germany GmbH & Co. KG | Ismaning, Germany | Westlake Germany GmbH & Co. KG | ||
Westlake International Holdings C.V. | The Netherlands | Westlake International Holdings C.V. | ||
Westlake Longview Corporation | Delaware | Westlake Longview Corporation | ||
Westlake Management Services, Inc. | Delaware | Westlake Management Services, Inc. | ||
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 PVC Corporation | Delaware | Westlake PVC Corporation | ||
Westlake Styrene LLC | Delaware | Westlake Styrene LLC and Westlake Styrene LP | ||
Westlake Supply and Trading Company | Delaware | Westlake Supply and Trading Company | ||
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. | People’s Republic of China | Suzhou Huasu Plastics Co., Ltd. and Huasu |
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* | Westlake has elected to omit the names of certain subsidiaries. None of the omitted subsidiaries, considered either alone or together with the other omitted subsidiaries of its immediate parent, constitutes a “Significant Subsidiary” as set forth in Section 601(b)(21) of Regulation S-K. |