„PROMOST” was founded in 1998 and business activity started-up in June 1999.

The first owners of the firm were three companies:

    • Mostostal Stalowa Wola S.A.
    • Mostostal Kraków S.A.
    • PROCHEM S.A. Warszawa

In 2004-2006, „PROMOST” was a member of the POLIMEX-Mostostal S.A. group.

Since 2017, the company Jezierski Markowe Okna has been the owner of the company.

Our company specializes in manufacturing and montage of aluminium joinery, aluminium fireproof constructions and winter gardens.
The strengths of the company are high quality products, high performance, relatively low prices and short lead times.