The Main Guarding Department is a separate structural unit guarding of owner’s properties and forming security according to contract, preserving at the accont of the receiving financial supplies for guarding service by contract.The structure of Main Department includes Organizing-inspector department, Service department, department on Technical means for guarding, Personnel department, Financial-planning department, of Logistical supplying department, Guarding division of the administrative building of main department, Managing service of replacing parts, Secretary, Group for the work with personnel, Central computerized guarding point, Sport complex. The main duties of Main Department are as follows:to organize the guarding of owner’s properties and security by contract;to provide the improving of guarding service and the preparing and realizing of measures for bearing of their charges;to provide the realizing of technical control by providing with signal system of objects for fulfilling of installation, their receiving to the exploitation, repairing and technical service;to organize the measures by providing of the protection of properties of juridical and physical persons from illegal actions, providing with signal system of guarded properties for this purpose;to carry out other duties specified by legislation.