ISO 9001: Trinseo maintains a corporate ISO 9001 certification, including all manufacturing facilities, research and development departments, and supply chain processes.

Bristol ISO 9001 Certification
Valid Through: August 20, 2023

Bronderslev ISO 9001 Certification
Valid Through: April 26, 2025

Corporate ISO 9001 Certification
Valid Through: November 20, 2025

Louisville ISO 9001 Certification
Valid Through: April 27, 2025

Matamoros ISO 9001 Certification
Valid Through: May 19, 2024

Mussolente ISO 9001 Certification
Valid Through: September 28, 2024

Rho ISO 9001 Certification
Valid Through: August 29, 2024

St Avold ISO 9001 Certification
Valid Through: August 3, 2024

ISO 13485: Products which supplied into medical applications, are designed and manufactured in facilities which are certified against the medical device standard ISO 13485.

Hsinchu Polymer Blends & Compounds
Valid Date: November 27, 2025

Stade Polycarbonate & Compounding
Valid Date: November 27, 2025

ISO 14001: The majority of our facilities are certified against the environmental management system standard ISO 14001, ensuring that our environmental performance is continously improving.

Hamina Latex
Valid Through: December 09, 2025

Hsinchu Colouring, compounding and blending of engineering plastics
Valid Through: June 04, 2024

Louisville Acrylic Resin and Sheet
Valid Through: June 21, 2025

Mussolente TPE/TPU
Valid Through: September 30, 2024

Norrköping Latex 
Valid Through: January 31, 2024

Porto Marghera Hydrogen cyanide production, Acetone cyanohydrin
Valid Through: December 4, 2024

Rheinmünster Latex
Valid Through: August 10, 2024

Rho Ammonium Sulfate, Methyl Methacrylate monomer, Poly MethylMethacrylate
Valid Through: August 29, 2024

Schkopau and Bohlen
Valid Through: June 13, 2025

Stade Polycarbonate & compounding
Valid Through: July 30, 2024

Terneuzen Manufacturing plants for Latex, Styrenics Plastics, Styrene Monomer; and Polymer Research Center
Valid Through: February 03, 2024

Tessenderlo Polystyrene
Valid Through: May 01, 2025

ISO 45001: Trinseo’s corporate rigid occupational health and safety management system has been certified against ISO 45001 in parts of the organization.

Bristol Acrylic resin in a pelletized form
Valid Through: August 20, 2023

Hsinchu Colouring, compounding and blending of engineering plastics
Valid Through: June 04, 2024

Hsinchu Colouring, compounding and blending of engineering plastics (CNS 45001)
Valid Through: June 04, 2024

Mussolente TPE/TPU
Valid Through: June 25, 2025

Louisville 
Valid Through: June 21, 2025

Rho Ammonium Sulfate, Methyl Methacrylate monomer, Poly Methyl Methacrylate
Valid Through: August 29, 2024

ISO 50001: Several plants have achieved ISO 50001 certification for adopting an energy management system.

Rho
Valid Through: August 5, 2024

Schkopau and Böhlen
Valid Through: June 13, 2025

Stade, Rheinmünster and Eschborn
Valid Through: June 20, 2024

IATF 16949: Manufacturing facilities, which supply into the automotive market, are certified against the International Automotive Task Force Requirements Standard IATF 16949.

Hsinchu Polymer Blends & Compounds
Valid Through: April 27, 2024

Midland Styrenics
Valid Through: May 25, 2024

Rho Polymethylmethacrylate Granules
Valid Through: September 1, 2024

Schkopau Synthetic Rubber
Valid Through: June 6, 2024

Terneuzen Polymer Blends & Compounds
Valid Through: November 08, 2025

Terneuzen Styrenics
Valid Through: January 3, 2024

Zhangjiagang Styrenics
Valid Through: March 21, 2025

Responsible Care Management System®: To demonstrate our dedication to the Responsible Care®, Trinseo is certified against these standards.

RCMS® Statement of Conformity, Operational Headquarters, Wayne, PA   

RCMS® Statement of Conformity, Dalton, GA