Konrad Adam Miterski

Polski Bank Komorek Macierzystych SA engages in the provision of stem cell collection services. The firm also offers stem cells transplantation. It operates through the following segments: B2C Afterbirth Tissue Banking Services (B2C), B2B Afterbirth Tissue Banking Services (B2B), and R&D Activities. The B2C segment refers to the services consisting in the preparation and storage of human biological material for individual retail customers. The B2B segment pertains to the services consisting in the preparation and/or storage of biological materials for business partners. The R&D Activities segment comprises of the group's research and development activities. The company was founded in 2002 and is headquartered in Warsaw, Poland.

Katowicki Holding Weglowy SA engaged in the operation of coal mines. It offered bituminous coal mining and services related to coal mining. The company was founded on 29 June 1993 and was headquartered in Katowice, Poland.

Part of FERRUM SA, Zaklad Konstrukcji Spawanych Ferrum SA is a Polish company that manufactures and markets liquefied petroleum gas tanks. The private company is based in Katowice, Poland. Krzysztof Kasprzycki has been the CEO of the company since 2011.