Elkem Silicon Materials is one of the world's leading suppliers of metallurgical silicon, producing raw materials for chemical, electronics and aluminium industries. We market Elkem's refractory raw materials such as high quality microsilicas and metallurgical silicons.

GÓRKA CEMENT sp. z o.o., has been manufacturing and distributing a variety of cements (Portland, Calcium Alumina and High Alumina cements) over the last 100 years.

Washington Mills AS is an integrated company for manufacturing and processing CARBOREX silicon carbide grains and powders.