- The Department the city lending library
- The Reading hall
- The Information-bibliographical department
- The Integrated book stock department (IBSD)
- The Department of pre-revolutionary and valuable editions
- The Electronic resources centre
- The Organizational-methodical department
- The Natural science and medicine centre
- The Music department
- The Foreign Literature department
- The Legal and economic information centre
- The Centre of cultural programmes
- The Stockpiling and handling documents department
- The Local history information centre
- The Information technologies centre
- The Department the computerized hall