OTC · Common Stock · Plastic Materials, Synth Resins & Nonvulcan Elastomers
42 entities across 23 jurisdictions, 3 in offshore financial centres. Read directly from the company’s own 10-K EX-21 filed 2026-03-13 — see the exhibit.
Which other public companies file entities in the same places:
| Entity | Jurisdiction | Note |
|---|---|---|
| Trinseo Belgium B.V. | Belgium | |
| Trinseo Operating Belgium B.V. | Belgium | |
| Trinseo Canada ULC | Canada | |
| Styron Synthetic Materials (Shanghai) Company Limited | China | |
| Trinseo Polymers (Zhangjiagang) Company Limited | China | |
| Altuglas International Denmark A/S | Denmark | |
| Trinseo Suomi Oy | Finland | |
| Altuglas International SAS | France | |
| Trinseo France S.A.S. | France | |
| Trinseo Deutschland Anlagengesellschaft mbH | Germany | |
| Trinseo Deutschland GmbH | Germany | |
| Trinseo (Hong Kong) Limited | Hong Kong | |
| Trinseo Materials (Hong Kong) Limited | Hong Kong | |
| Trinseo India Trading Private Limited | India | |
| PT Trinseo Materials Indonesia | Indonesia | |
| PT Trinseo Operating Indonesia | Indonesia | |
| Trinseo Finance Ireland Unlimited Company | Ireland | |
| Trinseo Ireland Global IHB Limited | Ireland | |
| Trinseo Ireland Holdings Limited | Ireland | |
| Trinseo Services Ireland Limited | Ireland | |
| A.P.I. Applicazioni Plastiche Industriali S.p.A. | Italy | |
| Altuglas S.r.l. | Italy | |
| Trinseo Italia S.R.L. | Italy | |
| Trinseo Japan Y.K. | Japan | |
| Trinseo Korea Ltd. | Korea | |
| Trinseo Holding S.à r.l. | Luxembourg | offshore centre |
| Trinseo Luxco S.à r.l. | Luxembourg | offshore centre |
| Trinseo Luxco Finance SPV S.à r.l. | Luxembourg | offshore centre |
| Altuglas Mexico, S.A. de C.V. | Mexico | |
| Trinseo de México S. de R.L. de C.V. | Mexico | |
| Heathland B.V. | The Netherlands | |
| Styron Netherlands Holding Company B.V. | The Netherlands | |
| Trinseo Holding B.V. | The Netherlands | |
| Trinseo Netherlands B.V. | The Netherlands | |
| Trinseo Holdings Asia Pte. Ltd. | Singapore | |
| Trinseo Singapore Pte. Ltd. | Singapore | |
| Trinseo Sverige AB | Sweden | |
| Trinseo Europe GmbH | Switzerland | |
| Trinseo Export GmbH | Switzerland | |
| Taiwan Trinseo Limited | Taiwan | |
| Trinseo Kimya Ticaret Limited Şirketi | Turkey | |
| Trinseo UK Limited | England and Wales |
Two standard screens, computed from the XBRL in FY2025 against FY2024. Every test shows the numbers behind it — a score with its inputs hidden is a number you cannot check.
| Year | Revenue | Net income | Free cash flow | Gross margin | Shares |
|---|---|---|---|---|---|
| FY2020 | $3.0B | $7.9M | $173.1M | 10.4% | 38,600,000 |
| FY2021 | $4.8B | $440.0M | $335.0M | 14.5% | 39,600,000 |
| FY2022 | $5.0B | −$430.9M | −$104.7M | 5.5% | 35,900,000 |
| FY2023 | $3.7B | −$701.3M | $79.0M | 3.9% | 35,300,000 |
| FY2024 | $3.5B | −$348.5M | −$77.5M | 7.6% | 35,300,000 |
| FY2025 | $3.0B | −$545.6M | −$153.4M | 5.6% | 35,800,000 |
Ownership percentages are a vendor aggregate, not a filing — unlike everything else on this page.
Trinseo PLC files under SIC 2821 — all 8 plastic materials, synth resins & nonvulcan elastomers companies compared on assets and F-score.
The structure map above is the Corporate Blueprint, and in the desktop it is interactive — click any entity to re-centre the map on it and walk the ownership chain. It sits alongside the screener, the scorecard and the filings lab on one desk, on your machine.
Sourced from SEC EDGAR primary filings. Figures are as reported by the company and are not investment advice. Scores are standard published screens computed from those filings; every input is shown above so you can check the arithmetic.