Jacek Kostrzewa

Midas SA engages in the business of telecommunications. Its operations involve technologies, media, and telecommunications. The company was founded on December 15, 1994 and is headquartered in Warszawa, Poland.

Eficom-Sinersio SA provides marketing consulting services. The company was founded in 1999 and is headquartered in Warsaw, Poland.

International Power Ltd. operates as a power generation company. The firm provides energy and gas solutions and it manages a range of energy businesses, including electricity generation, natural gas distribution and pipelines, liquefied natural gas terminals, renewable power production, asset based trading and origination and retail electricity and gas sales to commercial and industrial customers in North America region. The company was founded on April 1, 1989 and is headquartered in London, the United Kingdom.

Impexmetal SA engages in the manufacture of non-ferrous metal products. It operates through the following segments: Aluminum, Copper, Zinc and Lead, Trade, and Other. The Aluminum segment engages in the production of aluminum sheets and tapes as well as metal scrapping. The Copper segment offers copper alloys. The Zinc and Lead segment recycles lead batteries and manufactures zinc elements. The Trade segment distributes bearings. The Other segment provides support for the entities of the group. The company was founded in 1951 and is headquartered in Warsaw, Poland.