# INEOS Styrolution to close polystyrene production in Illinois

INEOS Styrolution is closing its polystyrene production facility in the US state of Illinois.

- Type: Closure
- Announced: 2026-06-23
- Where: Illinois, United States
- Status: announced
- Products: polystyrene
- Sectors: [Plastics and Polymers](https://endata.com/sectors/plastics-polymers.md)

## Companies

- [INEOS Styrolution](https://endata.com/companies/4374.md)

## Sources

- [pieweb.plasteurope.com](https://pieweb.plasteurope.com/Default.aspx?node=100202&page=3&pageid=302&referrer=mehraus_235402), 2026-06-30: "INEOS STYROLUTION Closure of polystyrene production in US state of Illinois"

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.