Kazimierz Przelomski

Part of Kulczyk Investments SA, Zachem SA is a Polish company that specializes in solar roofing solutions. The company is based in Bydgoszcz, Poland. The company's flagship product, SOLROOF, is a 2-in-1 integrated photovoltaic roofing system that comes with a 30-year warranty. Zachem was acquired by CIECH SA, a PUB of Kulczyk Investments SA from Nafta Polska SA on December 20, 2006 for $25.79 million.

SDC GmbH is based in Stassfurt, Germany. Part of Kulczyk Investments SA, SDC GmbH is a German company that manufactures glass-ring systems. The CEOs of the company are Damian Pawel Kowenicki, Georg Bender, Markus Haarmann, Mathias Hübner.

Part of Grupa Azoty SA, Gdanskie Zaklady Nawozow Fosforówych Fosfory Sp zoo is a fertilizer and acid manufacturer based in Gdansk, Poland. Gdanskie Zaklady Nawozow Fosforówych Fosfory specializes in the production of fertilizers, sulfuric and phosphoric acids. The Polish company was acquired by Grupa Azoty Zaklady Azotowe Pulawy SA, a PUB of Grupa Azoty SA from CIECH SA on April 27, 2011 for $0.04 million.

Ciech Trading SA engages in the distribution of chemicals. Its offer includes reagents, soda ash, salt, and calcium chloride. The company was founded in 1987 and is headquartered in Warsaw, Poland.