# Mainzer Stadtwerke AG

- Headquarters: Germany


## Customers, suppliers and deals

- [ENGIE Deutschland GmbH](https://endata.com/companies/36275.md): supplier, 1×, latest 2026-10-16

## Announcements (1)

- 2026-10-16: [ENGIE Deutschland wins HVAC contract for Mainz data center expansion](https://endata.com/announcements/113302-engie-deutschland-wins-hvac-contract-for-mainz-data-center-expansion) (Contract · Mainz, Germany)

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