Hydrostroy

-          Ministry of Regional Development and Public Works;

-          Ministry of Environment and Water;

-          Ministry of Defence;

-          Company “HOCHTIEF” – Germany;

-          GLAVBOLGARSTROY;

-          Municipality of Plovdiv;

-          Municipality of Rodopi;

-          Municipality of Tsarevo; 

-          Municipality of Botevgrad;

-          Municipality Valchidram;

-          Municipality Etropole;

-          Municipality Kovachevtci;

-          Municipality Pavlikeni;

-          Municipality Elena;

-          Municipality Veliko Tarnovo;

-          Others.