# Interstar Materials Inc.

- Headquarters: United States


## Customers, suppliers and deals

- [Saint-Gobain](https://endata.com/companies/1801.md): acquired by, 3×, latest 2025-07-29
- [Köster Gruppe](https://endata.com/companies/85949.md): acquired by, 1×, latest 2025-07-11
- [Köster](https://endata.com/companies/86550.md): acquired by, 1×, latest 2025-07-11

## Announcements (3)

- 2025-07-29: [Saint-Gobain acquires Interstar Materials in North America](https://endata.com/announcements/100701-saint-gobain-acquires-interstar-materials-in-north-america) (Acquisition · Canada (Quebec, Alberta) and United States (Illinois), Canada · $14.8M · 55 jobs)
- 2025-07-11: [Saint-Gobain sells Brüggemann Holzbau to Köster Gruppe](https://endata.com/announcements/100232-saint-gobain-sells-bruggemann-holzbau-to-koster-gruppe) (Acquisition · Neuenkirchen, Germany, Germany · $60.0M · 190 jobs)
- 2018-05-14: [Saint-Gobain acquires Interstar Materials assets](https://endata.com/announcements/30634-saint-gobain-acquires-interstar-materials-assets) (Acquisition · United States)

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