Tronic manufactures building containers and modular systems for residential, office, retail, storage, sanitary and refrigerated applications. Units can be produced in custom sizes and connected into larger arrangements, with electrical, plumbing and air-conditioning preparation selected for the intended use.

The company operates a dedicated production site near Osijek and serves both standard and project-specific requirements. Structural loads, insulation, fire and sanitary standards, openings, equipment, transport, crane placement, foundations, assembly, utilities, permits and warranty are agreed per order.