Instal Kraków S.A. engages in the construction business in Poland and internationally. The company operates through Construction and Assembly, Development, Foreign, Light Production, Rental, and Other Activities segments. It constructs and assembles industrial, commercial, sports, public facilities, etc.; desulphurization, denitrification, ash removal, slagging, and pneumatic transport facilities; municipal and wastewater treatment plants; sludge drying plant and thermal waste treatment installations; water demineralization stations; water intakes; ozone and water production installations, pumping stations, and chlorination plants; external networks, water mains, and internal sewage and water supply systems; technological and industrial installations; gas reduction stations; heat exchangers and compact heat substations, gas-oil boiler rooms, and biogas utilization systems; heat networks; compressed air, vacuum, and pneumatic transport systems; and ventilation and air-conditioning systems. The company also constructs and executes storage tanks; silos; ventilation, air-conditioning, and dust removal systems; desulfurization and denitrification installation components; pipelines and equipment for transport media; load-bearing and supporting structures; protective barriers, platforms, and ladders; and machines and equipment for various technological processes. In addition, it produces sludge scrapers and rod agitators, and heat exchangers; sells and rents real estate projects; repairs equipment, and installation power plants and industrial plants; and installs air conditioning and ventilation, heating and sanitary, heat centers, and technical gases equipment; assembles and prefabricates steel structures; and offers welding and foundry services. The company was founded in 1950 and is based in Kraków, Poland.