# Brown and Caldwell acquires membrane technology consulting firm SPI

Brown and Caldwell, an engineering consulting firm, acquired Separation Processes Inc. (SPI) to expand its membrane technology services for water and wastewater clients.

- Type: Acquisition
- Announced: 2025-09-05
- Where: United States
- Status: completed
- Products: membrane technology services
- Sectors: [Water Treatment Equipment](https://endata.com/sectors/water-treatment-equipment.md)

## Companies

- [Brown & Caldwell](https://endata.com/companies/26414.md) (acquirer)
- [Separation Processes, Inc.](https://endata.com/companies/85690.md) (target)

## Sources

- [dairyfoods.com](https://www.dairyfoods.com/articles/98477-brown-and-caldwell-acquires-membrane-technology-consulting-firm-spi), 2025-09-05: "Brown and Caldwell, an engineering consulting firm creating and delivering water and environmental solutions throughout North America and the Pacific, acquires Separation Processes Inc. (SPI) to expand and enhance its membrane technology services and expertise for water and wastewater clients."

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