Exhibit 21
SUBSIDIARIES OF WESTLAKE CHEMICAL CORPORATION
Name | State of Incorporation or Organization | Names under which Subsidiaries do Business | ||
Westlake Profiles Limited | Canada | Same | ||
Westlake Olefins Corporation | Delaware | Same | ||
Westlake International Corporation | Delaware | Same | ||
Westlake Chemical Holdings, Inc. | Delaware | Same | ||
Westlake Chemical Manufacturing, Inc. | Delaware | Same | ||
Westlake Development Corporation | Delaware | Same | ||
Westlake Vinyl Corporation | Delaware | Same | ||
North American Pipe Corporation | Delaware | Same | ||
North American Profiles Limited | Canada | Same | ||
Westlake Styrene LP | Delaware | Same | ||
WPT LP | Delaware | Same | ||
Westlake Vinyls, Inc. | Delaware | Same | ||
Westlake PVC Corporation | Delaware | Same | ||
GVGP, Inc. | Delaware | Same | ||
Geismar Holdings, Inc. | Delaware | Same | ||
Geismar Vinyls Company LP | Delaware | Same | ||
Westlake International Investments Corporation | British Virgin Islands | Same | ||
Westlake Chemical Investments, Inc. | Delaware | Same | ||
Westlake Chemical Products, Inc. | Delaware | Same | ||
Westlake Resources Corporation | Delaware | Same | ||
Westlake Management Services, Inc. | Delaware | Same | ||
Westlake Polymers LP | Delaware | Same | ||
Westlake Petrochemicals LP | Delaware | Same | ||
North American Profiles, Inc. | Delaware | Same | ||
Westech Building Products, Inc. | Delaware | Same | ||
Van Buren Pipe Corporation | Delaware | Same | ||
North American Bristol Corporation | Delaware | Same |