1. Production and installation of sea buoys. Delivery and installation of lighting technology for sea buoys and shore ranges. 2. Maintenance of sea buoys and shore ranges; 3. Radio navigational equipment and communication facilities; 4. Electromechanical equipment; 5. Emergency-rescue equipment; 6. Repair setup of accident preventive signal system – main auxiliary diesel engines; 7. Repair adjustment systems of fire extinguish; 8. Elaboration of design estimates on operational; 9. The activities are made pursuant to the requirements of the Russian Marine Register of Shipping Industry, Approval Certificate № 04.0010614 from 30.07.2004. Fabrication, installation, maintenance of offshore mooring buoys