# Microsoft signs cement supply deal with Sublime Systems

Microsoft has contracted to purchase up to 622,500 tons of Sublime Cement® over six to nine years from Sublime's first commercial plant in Holyoke, Massachusetts, and future full-scale facilities. The deal includes a right of first refusal for Microsoft to use the cement in its construction projects.

- Type: Contract
- Announced: 2026-05-13
- Where: Holyoke, Massachusetts, United States
- Status: announced
- Capacity: 622,500 tons
- Products: low-carbon cement
- Sectors: [Construction Materials](https://endata.com/sectors/construction-materials.md)

## Companies

- [Microsoft](https://endata.com/companies/11213.md) (customer)
- [Sublime Systems](https://endata.com/companies/76508.md) (supplier)

## Sources

- [en.wedoany.com](https://en.wedoany.com/shortnews/166429.html), 2026-05-13: "By designing innovative transactions like the one with Sublime, Microsoft aims to accelerate the large-scale production and application of clean building materials"

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