Sapphire Technologies Secures $18 Million Series C to Accelerate Growth, Including Investment from Mitsubishi Heavy Industries

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Summary

Sapphire Technologies closed an $18 million Series C round with participation from Mitsubishi Heavy Industries and existing investors. The company will use the capital to expand its Cypress, California manufacturing facility and increase production capacity. It will also grow deployments of its FreeSpin in-line turboexpanders in key markets such as Japan and pursue new applications. Sapphire positions its equipment as a way to turn wasted pressure in energy infrastructure into clean electricity.

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Amount $18.0M Total raised
Date September 9, 2025 Announcement date
Investors Equinor, Mitsubishi Power Lead investors
Company sapphiretechnologies.com Funded company

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