# Stepan Company expands AOS production capacity by 25%

Stepan Company announced a 25% increase in its production capacity for Alpha Olefin Sulfonates (AOS) through strategic capital investments and process improvements at its Millsdale, Illinois; Anaheim, California; and Winder, Georgia facilities.

- Type: Expansion
- Announced: 2025-06-03
- Where: Millsdale, Illinois; Anaheim, California; Winder, Georgia, United States
- Status: completed
- Capacity: 25% increase in AOS capacity
- Products: Alpha Olefin Sulfonates (AOS)
- Sectors: [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md)

## Companies

- [Stepan Company](https://endata.com/companies/30972.md)

## Sources

- [prnewswire.com](https://www.prnewswire.com/news-releases/stepan-company-boosts-alpha-olefin-sulfonates-aos-production-capacity-by-25-pounds-annually-302472387.html), 2025-06-03: "Stepan has expanded its AOS capacity by 25%."

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