- Construction and major overhaul of main gas pipelines and water pipelines;
- Construction and reconstruction of gas-distribution and pump stations;
- Protection of underground communications against ground corrosion and corrosion caused by stray currents;
- Mounting of drainage-protection installations;
- Modernization of the equipment of main oil and gas pipelines;
- Conduct of insulation of both internal and external pipelines;
- Branch cutting-in and repair of valves without interruption of gas and oil transportation;
- Construction on any types of soil, the laying of pipelines under highways and other obstacles.