# Crimson Investment

> Crimson Investment is a private equity firm founded by John-Paul Ho in 1993. It provides buyout and growth capital to established middle-market businesses, with an emphasis on operational improvements and international expansion, particularly between the United States and Asia. Historical investments include Ameda, Milton Industries, and Aqua-Chem.

- **Founded:** 1993
- **Headquarters:** San Francisco, United States
- **Founders:** John-Paul Ho (Founder and Co-Managing Partner)
- **Products:** Buyout capital, Growth capital, International operating support
- **Notable:** Acquired Aqua-Chem from Altus Capital Partners in August 2014., Sold Milton Industries to Levine Leichtman Capital Partners in November 2019., Aqua-Chem joined Saur in May 2022 as its North American industrial-water platform.

## Products & services

- **Buyout capital** — Equity investment to acquire established middle-market businesses, including corporate divestitures and changes of ownership.
- **Growth capital** — Financing to support expansion of established businesses.
- **International operating support** — Partnership with management to develop capabilities and sales in Asia and improve operations.

## Achievements

- Acquired Aqua-Chem from Altus Capital Partners in August 2014.
- Sold Milton Industries to Levine Leichtman Capital Partners in November 2019.
- Aqua-Chem joined Saur in May 2022 as its North American industrial-water platform.
- Ameda’s acquisition by International Biomedical was announced in January 2023; Crimson’s exit is corroborated by its legal adviser’s transaction history.

## Latest updates

- **2023-01** — International Biomedical announced its acquisition of Ameda on January 5; legal-adviser records identify Crimson as the seller.
- **2022-05** — Saur announced completion of the Aqua-Chem acquisition on May 27.
- **2019-11** — Crimson’s sale of Milton Industries to LLCP was announced; financial terms were not disclosed.

## Links

- Website: http://www.crimsoninvestment.com
- LinkedIn: https://www.linkedin.com/company/crimson-investment

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Profile page: https://yespress.io/crimson-investment
Published by YesPress — https://yespress.io
Last updated: 2026-10-27