# Winsert acquires Mack Tool & Engineering

Winsert, a manufacturer of specialty alloys, has acquired Mack Tool & Engineering, a precision machining company based in South Bend, Indiana. The acquisition will support Winsert's growth initiatives and add aerospace and medical end market focus.

- Type: Acquisition
- Announced: 2025-08-08
- Where: South Bend, Indiana, United States
- Status: completed
- Products: specialty alloys, precision machined components
- Sectors: [Steel and Metal Products](https://endata.com/sectors/steel-metal-products.md), [Aerospace Components](https://endata.com/sectors/aerospace-components.md), [Medical Devices](https://endata.com/sectors/medical-devices.md)

## Companies

- [Altus Capital Partners Inc.](https://endata.com/companies/28451.md) (investor)
- [Winsert](https://endata.com/companies/86534.md) (acquirer)
- [Mack Tool & Engineering](https://endata.com/companies/86535.md) (target)

## Sources

- [altuscapitalpartners.com](https://www.altuscapitalpartners.com/article/08-aug-2025/altus-capital-partners-completes-second-acquisition-for-winsert-with-mack-toolengineering-inc), 2025-08-08: "This acquisition is a significant step forward in our strategy to expand capabilities and strengthen our presence in the aerospace market."

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