Wojciech Wrona

Gwarant Poznan Sp zoo engages in the provision of security services. It offers security services for commercial networks, corporate clients and individual clients. The company was founded in 1993 and is headquartered in Poznan, Poland.

Odlewnia Zeliwa SA is a Polish company that offers various iron products such as black iron fittings, galvanized connectors, and iron castings. The private company is based in Zawiercie, Poland and has subsidiaries in Poland. The company specializes in gray and ductile iron machine castings.

PGO SA engages in the production of castings and forgings. It operates through the following segments: Castings, Forgings, and Other Activities. The Castings segment offers gray cast iron, ductile iron, alloy cast iron, and alloy steel. The Forgings segment produces forgings from carbon, alloy, and stainless steel. The Other Activities segment provides model production, mechanical, and heat treatment services as well as laboratory steel testing. It operates under such brands as Srem Odlewnia, Fugo Odlew, Stalowa Wola, Pioma Odlewnia, and Kuznia Glinik. The company was founded in 1883 and is headquartered in Katowice, Poland.