The Capital Group

In September 2010 HCM became part of the Zaklady Gorniczo – Hutnicze Boleslaw SA (ZGH) Capital Group, which includes:


Zakłady Górniczo-Hutnicze “Bolesław” S.A.

ZGH, historically also a mining company, is now an up-to-date fully modern zinc smelter. It is a major supplier of zinc and zinc alloys in the domestic market, as well as a significant player in the neighbouring and nearby countries (the Czech Republic, Slovakia, Hungary and Austria).


BOLTECH Sp. z o.o.

Boltech is involved in several various activities, including inter alia: producing and processing road building aggregates, manufacturing of polyurethanes , Zinc products, supplying heat and natural gas, transport and forwarding services both within and outside Poland.


Gradir Montenegro d.o.o.

Zinc and Lead mining operations with ore processing into concentrates.


KARO Sp. z o.o. Security Agency

Karo is involved in building and servicing alarm systems, arranging convoys, patrol and intervention groups, complex object security and 24/7 monitoring.

On December 11, 2012 Stalprodukt SA became the owner of ZGH Capital Group. Stalpropukt is a leading producer and exporter of highly processed steel products: electrical transformer sheets, cold-rolled tubes and profiles, road barriers and toroidal cores.