SIRC is a non-profit organization consisting of voting member companies involved in the manufacturing or processing of styrene, and associate member companies that fabricate styrene-based products. Collectively, SIRC’s membership represents approximately 95% of the North American styrene industry.

SIRC Members 2018

Voting Members

Americas Styrenics
Ashland Specialty Chemical Company
Dart Container Corporation
INEOS Styrolution
LyondellBasell Industries
Polynt Composites USA, Inc.
Reichhold, Inc.
Shell Chemicals
Total Petrochemicals USA, Inc.

Associate Members

Composites One
Detroit Forming
Hobas Pipe USA
Industrial Dielectrics
Insituform Technologies, Inc.
Molded Fiber Glass Companies
RL Industries
Strongwell Corporation
Xerxes Corporation

International Members

Japan Styrene Industry Association