# Amazon signs commercial agreement with Brimstone for low-carbon cement

Amazon signed a commercial agreement with Brimstone to reserve annual volumes of Brimstone's low-carbon Ordinary Portland Cement and supplementary cementitious materials from its forthcoming plant, pending successful testing and commercialization.

- Type: Contract
- Announced: 2025-08-06
- Where: United States
- Status: announced
- Products: low-carbon Ordinary Portland Cement, supplementary cementitious materials
- Sectors: [Construction Materials](https://endata.com/sectors/construction-materials.md)

## Companies

- [Amazon](https://endata.com/companies/3952.md) (customer)
- [Brimstone](https://endata.com/companies/86477.md) (supplier)

## Sources

- [esgtoday.com](https://www.esgtoday.com/amazon-signs-deal-for-low-carbon-cement-with-brimstone/), 2025-08-06: "These initial results are encouraging and demonstrate the potential for Brimstone's innovative materials to scale across our buildings portfolio and reduce the carbon footprint of concrete."

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