# Union Pacific and Rocky Mountain Steel Mills sign 7-year rail supply contract

Union Pacific Railroad and Rocky Mountain Steel Mills announced a new seven-year contract for domestic production of steel rails. Rocky Mountain Steel expects to begin operations at a new long rail mill built with over $1 billion investment.

- Type: Contract
- Announced: 2026-04-15
- Where: Pueblo, Colorado, United States
- Status: announced
- Products: steel rails
- Sectors: [Steel and Metal Products](https://endata.com/sectors/steel-metal-products.md)

## Companies

- [Union Pacific Railroad](https://endata.com/companies/91415.md) (customer)
- [Rocky Mountain Steel Mills](https://endata.com/companies/91416.md) (supplier)

## Sources

- [businesswire.com](https://www.businesswire.com/news/home/20260415110801/en/Union-Pacific-Railroad-and-Rocky-Mountain-Steel-Mills-Announce-New-Long-Term-Contract-for-Domestic-Rail-Production), 2026-04-15: "The new long-rail mill is a significant step forward in American manufacturing that supports Union Pacific’s focus on delivering safe, reliable service for our customers."

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