Instal Kraków S.A. engages in the construction business in Poland and internationally. It constructs and assembles industrial, commercial, sports, public facilities, etc.; desulphurization, denitrification, ash removal, slagging, and pneumatic transport facilities; municipal and industrial sewage treatment plants; sludge dryer and thermal waste treatment plants; water demineralization and treatment stations; water intakes; ozone and water production installations, pumping stations, and chlorination plants; external networks, water mains, and internal sewage and water installations; 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 devices for various technological processes. In addition, it produces sediment scrapers and rod mixers, 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.