# NewMarket Corporation to acquire Calca Solutions

NewMarket Corporation announced a definitive purchase agreement to acquire Mars TopCo, LLC, the parent company of Calca Solutions, a manufacturer of ultra-pure hydrazine for aerospace and defense. The transaction is expected to close in 2025.

- Type: Acquisition
- Announced: 2025-09-17
- Where: Lake Charles, Louisiana, United States
- Status: announced
- Products: ultra-pure hydrazine, high purity hydrazine
- Sectors: [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md)

## Companies

- [AE Industrial Partners](https://endata.com/companies/10069.md) (investor)
- [NewMarket Corporation](https://endata.com/companies/87748.md) (acquirer)
- [Calca Solutions](https://endata.com/companies/87749.md) (target)

## Sources

- [index.businessinsurance.com](https://index.businessinsurance.com/observerreporter/article/bizwire-2025-9-17-newmarket-corporation-announces-the-acquisition-of-calca-solutions-llc), 2025-09-17: "We are excited about the opportunity to acquire Calca and adding it to the NewMarket family."
- [markets.chroniclejournal.com](http://markets.chroniclejournal.com/observerreporter/article/bizwire-2025-9-17-newmarket-corporation-announces-the-acquisition-of-calca-solutions-llc), 2025-09-17: "We are excited about the opportunity to acquire Calca and adding it to the NewMarket family."

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