KONŠTRUKTA – Defence, a. s. operating under shareholder control of DMD GROUP, a.s. is primarily Design, Development & Testing Authority dealing with defence equipment. Gradually and systematically has been extending its operation into an area of production, repair, and maintenance processes. Its current core business represents in particular the outstanding 155 mm 52 cal. family of Self-propelled Guns in variants ZUZANA 2, EVA 6x6 or 8x8 fitted with advanced FCS designed to be aligned with user's requirements on integration of artillery C2 systems.