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VSI membership is composed of manufacturers of vinyl and other polymeric siding and suppliers to the industry.
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VSI Member Company List
*Manufacturer Members indicated with Asterisk.
American Original Building Products LLC
*
Americhem, Inc.
Associated Materials, LLC
*
Atlas Material Testing Technology LLC
CertainTeed LLC
*
Chemical Market Analytics by OPIS, a Dow Jones company
Cornerstone Building Brands
*
Derby Building Products, Inc.
*
Formosa Plastics Corp. USA
Galata Chemicals, LLC
Holland Colours Americas Inc.
INEOS Styrolution America, LLC
Intertek
Kaneka North America LLC
Lanier Color Company, Inc.
LG Chem America
Norac, Inc.
Oxy Vinyls LP
Penn Color, Inc.
Progressive Foam Technologies, Inc.
ProVia
*
Shintech Inc.
Shepherd Color
Style Crest, Inc.
*
Westlake Chemical Corporation
Westlake Royal Building Products
*
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