Marseplast sp. z o. o.

Marseplast sp. z o.o., based in Niepołomice near Kraków, Poland, leverages over 35 years of plastics processing expertise across 20 injection molding machines (up to 1,200 tons clamping force) and rotational molding lines to manufacture equipment for the water, wastewater, and agricultural sectors. The company's portfolio exceeds 200 catalog items serving more than 100 customers globally. In wastewater treatment, the blueFLOW product line delivers hybrid-technology packaged plants that integrate a septic tank, biological reactor with shaped media for aerobic bacteria colonization and activated sludge, and a secondary clarifier—each unit sized to project requirements. For rainwater harvesting, the AQUATOWER range provides freestanding storage tanks from 0.5 m3 to 22 m3 capacity, designed for roof drainage collection with easy relocation capability. Agricultural applications are served by the AGROTOWER liquid nitrogen fertilizer (RSM) storage tank and a family of multi-compartment sprayer tank systems: the Alfa (2,500–3,000 L) combining main tank, flush tank, and control enclosure with dual access doors; the Sigma (1,500–2,000 L) featuring a dilutor and optional orchard channel variant; and the Czołgowy (1,200 L) triple-tank unit with main, flush, and hand-wash compartments. All products are manufactured from rotational-molded and injection-molded thermoplastics in compliance with European standards.