Bartosz Zalewski

Hefal Serwis SA engages in the design and construction of artificial ice rinks. It also manufactures and assembles aluminum structures as well as pitches, running tracks, and playgrounds. The company was founded in 2000 and is headquartered in Wodzislaw Slaski, Poland.

Infosystems SA engages in the provision of solutions and implementation services for printing, packaging, and graphic arts industries. It also offers consultancy in the field of information technology, implementation of information technology systems, design and development of ERP systems, customer relationship management, integration of IT systems, website creations, advisory on selection of computer hardware, sale of servers, printers, and network devices, and customer support services. The company was founded by Mariusz Sosnowski in 1999 and is headquartered in Warsaw, Poland.

Alumast SA engages in the production and distribution of lighting systems. Its offer includes aluminum and fiberglass flagpoles, lighting columns as well as banner constructions. The company was founded in 1997 and is headquartered in Wodzislaw Slaski, Poland.