Kárro Ltd. owns 100% of the shares of Alisca Aqua Co. Ltd. Alisca Aqua Co. Ltd. owns both filtered and direct water wells on the River Danube and a water treatment plant adjacent to the Szekszárd Industrial Park of Kárro Ltd. It supplies the industrial park with potable water, if needed its capacity would be adequate to supply the town of Szekszárd also.