Waste water treatment plants
- AVON Wastewater Treatment Plant
- CZAJKA Wastewater Treatment Plant
- Extension of process lines at GOŚ WWTP in Łódź
- Extension of the Wastewater Treatment Plant in Siedlce
- Modernization of water supply mains and wastewater treatment plant in Łódź
- Radocha II Wastewater Treatment Plant - phase 1
- Radocha II Wastewater Treatment Plant - Phase 2; Bobrek Main Sewer
- Wastewater Treatment Plant in Lublin
- Wastewater Treatment Plant in Stare Babice near Warsaw