
Plant engineering for water treatment: planning, equipment and turnkey projects with in-house manufactured key components
GIS Aqua Austria GmbH
Amstetten, Lower Austria · AustriaNew on Amplifa
About GIS Aqua
GIS Aqua Austria GmbH is a family-run, medium-sized plant engineering company founded in 1914 and based in Amstetten, Lower Austria. The company is active in water treatment in Austria and internationally, covering wastewater, drinking water, desalination, flood protection and steel construction. Key components for its own plants – and beyond that for other industries – are manufactured in-house and marketed under the Ginzler brand. GIS Aqua offers basic and detailed technical planning, pure equipment supply as well as partnerships and turnkey projects, handling them completely from start to finish. In addition, the company provides service and operation tasks for existing plants. References include, among others, the Đakovo wastewater treatment plant in Croatia.
- Site
- Amstetten, Austria
- Processes
- Basic & detailed technical planning, Equipment supply, Turnkey projects, Service & operation, Steel construction
- Materials
- Steel construction
- Founded
- 1914
- Industries
- Water treatment, Wastewater, Drinking water, Desalination, Flood protection, Environmental engineering
- 01
Basic technical planning
- 02
Detailed planning
- 03
In-house manufacturing of key components (Ginzler)
- 04
Equipment supply
- 05
Assembly / turnkey execution
- 06
Service & operation
Products & Competences
Steel construction
In-house steel construction for key components of plants and other industries.
Site

Amstetten
ATHeadquarters and plant engineering
- Materials
- Steel construction
Components & Plants




Inside the production



Industries
Additional services
History
- 1914
Foundation of the family business; family-run for over 110 years.
- 2026
Successful handover of the Đakovo wastewater treatment plant (Croatia).