Mariusz Wandor

Chemoservis-Dwory SA engages in the provision of technical services to industrial plants. It operates through the following segments: Maintenance-Mechanical Engineering, Maintenance-Energy Sector, Maintenance-Foreign Markets, and Waste Management. The Maintenance-Mechanical Engineering segment includes repair and maintenance of plant machines, installation of plant facilities, and replacement of damaged components. The Maintenance-Energy Sector segment provides inspection, repair, and maintenance of electrical equipment. The Maintenance-Foreign Markets segment offers installation and maintenance of cable lines, production of switchboards, and inspection of motors. The Waste Management segment involves the recovery of heat from waste steam and disposal of solid, liquid, and pasty waste. The company was founded in 1946 and is headquartered in Oswiecim, Poland.

Petro Mechanika SA engages in the maintenance and repair of machinery. The company was founded on February 18, 2009 and is headquartered in Plock, Poland.