GK Polimex Mostostal
ConstructionMasovian, Poland501-1000 Employees
Polimex Mostostal S.A. is a major Polish engineering and construction firm that serves as a general contractor in industrial construction. It carries out specialized investments in Poland and abroad for the energy, petrochemical, gas, and environmental protection sectors, and it manufactures and exports steel structures and related components, including galvanizing and painting of steel elements. The Polimex Mostostal Group centers on the parent company and a number of subsidiaries, supported by a large, skilled workforce. Based in Warsaw, in the Masovian region, the company has operated since 1945 and has been listed on the Warsaw Stock Exchange since 1997. In March 2026 it announced expansion of its facilities to Poland and Europe with plans to build new gas-fired power plants in Rybnik and Gryfino.