# Riverside Company acquires Key Polymer for Seatex platform

The Riverside Company acquired Key Polymer, a manufacturer of adhesives, sealants, and coatings, as a bolt-on acquisition for its Seatex platform. The deal was announced on March 20, 2026.

- Type: Acquisition
- Announced: 2026-03-20
- Where: Lawrence, Massachusetts; Greenville, South Carolina, United States
- Status: completed
- Products: adhesives, sealants, coatings
- Sectors: [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md)

## Companies

- [The Riverside Company](https://endata.com/companies/27336.md) (acquirer)
- [Seatex](https://endata.com/companies/66166.md) (partner)
- [Key Polymer](https://endata.com/companies/90961.md) (target)

## Sources

- [inforcapital.com](https://inforcapital.com/news/the-riverside-companys-latest-add-on-to-seatex-serves-as-catalyst-for-growth/), 2026-03-20: "The Riverside Company has strategically expanded its specialty chemical manufacturing platform, Seatex, through the acquisition of Key Polymer."

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