# Sumitomo and Itochu-Marubeni to merge flat steel distribution units

Sumitomo Corporation Global Metals and Itochu-Marubeni Steel will merge their flat steel distributor operations, consolidating joint ventures Mazda Steel and Benichu Summit Coil Center under Mazda Steel by October 1, 2025.

- Type: Acquisition
- Announced: 2025-09-02
- Where: Japan
- Status: announced
- Products: flat steel, steel sheets
- Sectors: [Steel and Metal Products](https://endata.com/sectors/steel-metal-products.md)

## Companies

- [Sumitomo Corporation Global Metals](https://endata.com/companies/87032.md)
- [Itochu Marubeni Steel Corporation](https://endata.com/companies/24622.md) (partner)
- [Mazda Steel](https://endata.com/companies/87033.md) (target)
- [Benichu Summit Coil Center](https://endata.com/companies/87034.md) (target)

## Sources

- [steelorbis.com](https://www.steelorbis.com/steel-news/latest-news/sumitomo-and-itochu-marubeni-to-merge-flat-steel-distribution-units-by-oct-2025-1407713.htm), 2025-09-02: "The integration will consolidate their joint ventures, Mazda Steel and Benichu Summit Coil Center, both of which specialize in steel storage, processing, and distribution."

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