# Altamont Capital Partners invests in Key Container corrugated packaging maker

Private equity sponsor Altamont Capital Partners invested in Key Container Corporation, a Pawtucket, Rhode Island corrugated packaging producer, with Monroe Capital as administrative agent on a senior credit facility, announced April 1, 2026.

- Type: Investment
- Announced: 2019-05-10
- Where: Pawtucket, RI, United States
- Status: announced
- Products: specialty corrugated packaging, custom corrugated packaging
- Sectors: [Packaging](https://endata.com/sectors/packaging.md)

## Companies

- [Altamont Capital Partners](https://endata.com/companies/5005.md) (investor)
- [Key Container Corporation](https://endata.com/companies/5006.md) (target)
- [Monroe Capital](https://endata.com/companies/5007.md) (partner)

## Sources

- [markets.financialcontent.com](https://markets.financialcontent.com/pennwell.dental/article/bizwire-2026-4-1-monroe-capital-supports-altamont-capital-partners-investment-in-key-container), 2019-05-10: "Monroe Capital LLC ("Monroe") announced it acted as administrative agent and joint lead arranger on the funding of a senior credit facility to support the investment in Key Container Corporation."

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