Third party audits for compliance with these standards are frequently conducted, and we maintain the following certifications:
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