- purification, disinfection or preservation of drinking water, water filtration systems, filtering materials, water storage and transportation tanks in centralized, decentralized and autonomous water supply systems of units of government, armed forces, law enforcement agencies, judicial and penitentiary systems, financial institutions, objects of administrative, social and consumer services;
- purification, disinfection and treatment of wastewater and sludge generated in local water treatment facilities (septic), all types of sewage systems, regardless of their balance participation, business pattern and ownership of operating facilities and institutions;
- purification, disinfection or preservation of water in closed circulation systems such as swimming pools, water parks, fountains, artificial reservoirs (fresh and sea water);
- purification, disinfection or preservation of water, water filtration systems, filtering materials, water storage and transportation tanks for process water supply of animal and poultry farming, agriculture, fish farming, meat, dairy products, light and heavy, engineering, wood, chemical and petrochemical, coal-tar, machine, mining, iron and steel, energy, construction and other industries;
- disinfection and preservation of drinking water in the air, railway, marine and automobile transportation systems and transportation infrastructure (airports, railway stations, sea and river ports, bus stations, etc.);
- disinfection of public places (squares, avenues, streets, lanes, sidewalks, squares, parks, bus stops, etc.).