Mercor. 

Mercor S.A. manufactures, sells, installs, and maintains passive fire protection systems. The company provides natural smoke exhausting systems comprising smoke exhaust vents and windows, skylights, roof hatches, smoke exhaust flaps, ventilation flaps, continuous roof lights, smoke curtains, smoke and ventilation louvre dampers, electric control systems, pneumatic control systems and staircase smoke extraction systems; and fire ventilation systems, such as shut-off valves, fire dampers, smoke exhaust fans, household fans, intake and exhaust fans, power supply and control units, jet ventilation systems for garages, and explosion-proof technology products. It also offers structure protections, including plate systems, spray systems, installation transition systems, intumescent coating systems, and spraying acoustic plasters. The company's products are used in production of halls and warehouses, logistics centers, public buildings, commercial buildings, and residential buildings. Mercor S.A. was founded in 1988 and is headquartered in Gdansk, Poland.