Maciej Radziwill

Trakcja Polska SA engages in the rail transport infrastructure construction market. The company's activities include modernization of the rail and tram tracks, construction and modernization of the traction networks and their power supply, construction of power engineering systems and remote control systems for traction power supply, the cubature construction for railway infrastructure and general construction industry. Trakcja Polska was founded on July 1, 1969 and is headquartered in Warsaw, Poland.

PGE Energetyka Kolejowa SA distributes electricity and liquid fuels and provides power engineering services. The company is based in Warsaw, Poland. The Polish company was founded in 2001. Sylwester Szczensnowicz has been the CEO of the company since 2023. PGE Energetyka Kolejowa was acquired by PGE Polska Grupa Energetyczna SA on April 03, 2023 for $433.43 million.

Przedsiebiorstwo Robót Kolejowych i Inzynieryjnych SA specializes in railway construction. The firm provides construction and installation services for the rail transport infrastructure. The company was founded in 1945 and is headquartered in Wroclaw, Poland.

Polska Telefonia Cyfrowa Sp zoo provides wireless telephonic services in Western Europe. Its services include call forwarding, call waiting, voicemail, account information, short message service, multimedia messaging service, information services and wireless Internet access. It also offers roaming services to its subscribers in 156 countries. The company's products and services are sold under the brand name, Era. Polska Telefonia Cyfrowa offers its services to individual post paid, prepaid, and corporate customers. Polska Telefonia Cyfrowawas founded in 1995 and is headquartered in Warsaw, Poland.