Polimex-Mostostal Siedlce. 

Polimex-Mostostal S.A. operates as an engineering and construction company in Poland and internationally. The company designs and constructs roads, bridges, railway infrastructure, large-size structures, and hydrotechnical infrastructure; supervises works; and provides contract management services. It also produces steel structures and platform grates, as well as offers various transport pallets and services related to steel products. In addition, the company constructs production plants, warehouses, and environmental protection facilities; and administrative and office buildings, shopping centers, multiplexes, halls, and sports stadiums. Further, it constructs storage tanks, industrial installations, terminals and transshipment ports, and fuel pipelines; provides repair services for refinery and petrochemical industries; and manufactures furnaces and process heaters, as well as offers assembly and commissioning services. Additionally, the company provides turnkey energy facilities in the field of air and water protection, flue gas desulfurization, dedusting, water treatment plants, and waste treatment plants; and services in the galvanizing and painting of steel structures. Polimex-Mostostal S.A. was founded in 1945 and is headquartered in Warsaw, Poland.