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PROMOSTAL Sp. z o.o. Sp. k.
PROMOSTAL Sp. z o.o. Sp. k.
16-020 Czarna Białostocka ul. Fabryczna 7/29
+48 85 876 86 01
PROMOSTAL Sp. z o.o. Sp. k.


Promostal is a specialized steel and construction company. We undertake design, fabrication and erection of steelwork for all the forms of construction in industrial and commercial building, but also steel construction for technology. We have our own designing department using TEKLA Structures software. Promostal is mainly known for its flexibility, experienced and qualified personnel and high quality of products and services with reasonable prices offered. We put serious attention to modern engineering technologies, as well as safety issues. High level of quality and efficiency is attained due to highly qualified workers and investments in modern devices and machines. We hold a number of certificates and offer CE marking of our products.


Steel structures
Assembly services


Promostal provides comprehensive solutions including fabrication and assembly of steel structures together with delivery and assembly of wall and roof cladding, aluminium doors and window frames. Production takes place in our factory in Czarna Białostocka, where a modern paintshop hall is also available. We provide our assembly services abroad at the highest level.

PROMOSTAL Sp. z o.o. Sp. k.