# Helmkamp Construction Co.

- Headquarters: United States



## Announcements (2)

- 2025-03-05: [Wieland breaks ground on $500M modernization project in East Alton, Illinois](https://endata.com/announcements/96593-wieland-breaks-ground-on-500m-modernization-project-in-east-alton-illinois) (Expansion · East Alton, Illinois, United States · $500.0M · starts operating Q3 2028)
- 2024-06-04: [Wieland begins $500M modernization and expansion of East Alton copper facility](https://endata.com/announcements/88843-wieland-begins-500m-modernization-and-expansion-of-east-alton-copper-facility) (Expansion · East Alton, Illinois, United States · $500.0M)

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