| Obiekt | Klient | Zakres prac | Rok wykonania | Skan referencji |
|---|---|---|---|---|
| Sewage treatment plant in Kozienice | Awbud S.A. | Technological pipelines with fittings, tight transitions, protective tubes, tests, earthworks, drainage and resurfacing | 2010-2012 | |
| Dictrict sewage treatment plant in Wohyń | District Management in Wohyń | Complex extension of the sewage treatment plant - general contractor | 2010-2011 |  |
| Sewage treatment plant in Niemce | District Management in Niemce | Modernisation of the sewage treatment plant. Replacing the main channel discharge sewage - general contractor | 2010-2011 | |
| Sewage treatment plant in Mińsk Mazowiecki | Hydrobudowa-6 Warszawa | Technological installations | 2004 | |
| Sewage treatment plant in Końskowola | Housing Co-operative in Końskowola | Rebuilding of the sewage teatment plant and sewage network segments | 2003 | |
| Municipal sewage treatment plant in Radzyń Podlaski | Mostostal-Export S.A. Warszawa | Technological installations of the sewage treatment plant | 2002 | |
| Sewage treatment plant Hajdów | MPWiK Lublin | Technological installations | 2001 | |
| Sewage treatment plant in Kazimierz Dolny | Municipality in Kazimierz Dolny | sewage treatment plant | 2001 | |
| Sewage treatment plant in Puławy | MPWiK "Puławy Water Supply" Sp. z o.o. | sewage treatment plant | 1998-2000 | |
| Sewage treatment plant in Ostrowiec Świętokrzyski | Municipality in Ostrowiec Świętokrzyski | sewage treatment plant | 1995 | |
| Gruba Kaśka - Warszawa | Hydrobudowa 6 - Warsaw | Basic water intake and the tunnel at the bottom of the River Vistula connecting the water intake with the water supply system in Praga | 2002 | |
| ZWC - Koszyki Zachód | MPWiK Warsaw | Modernisation of the pumping station - general contractor | 2002 | |
| Water supply station and water intake in Puławy | MPWiK Puławy | Technological, ventilation, water and sewage systems, central heating, process heat, automatics | 1999 | |
| Underground pumping station at Czerniakowska Street in Warsaw | MPWiK Warszawa | Modernization in the compression node in ZWC - general contractor | 1999 | |
| Central compressor in Wieliszew, highrate filter hall ZWC, ZWC Chloring plant | MPWiK Warszawa | Technological, ventilation, water and sewage systems, central heating, process heat, automatics | 1996-1998 | |
| Water supply station with associated facilities and water supply and distribution station in Stężyca | District Management of Stężyca | Technological, ventilation, water and sewage systems, central heating, process heat, automatics - general contractor | 1997 | |
| Pumping station Koszyki Wschód in ZWC Warsaw | MPWiK Warszawa | Technological, ventilation, water and sewage systems, central heating, process heat, automatics - general contractor | 1996 | |