| Project name | Investor | The period of contract | Type of object | |
|---|---|---|---|---|
 |
Construction of mechanical-biological treatment plant of municipal waste in Stalowa Wola | Miejski Zakład Komunalny Sp. z o.o. w Stalowej Woli | 2013-2015 | Waste treatment plant |
 |
Mechanical-biological waste management plant in Nowe Toniszewo Kopaszyn | Międzygminne Składowisko Odpadów Komunalnych Sp. z o.o. | 2011-2013 | Waste treatment plant |
 |
Construction of the Central Sewage Treatment Plant in Tarnowskie Góry | Urząd Miejski w Tarnowskich Górach | 2008-2011 | Sewage treatment plant |
 |
Modernization of the water treatment station in Zbylitowska Góra | Tarnowskie Wodociągi Sp. z o.o. | 2007-2010 | Water treatment station |
