• 2020 World Airport Awards: World's Top 10 Airports & World's Best Transit Airport
  • Agency: Skytrax
  • Award date: May 2020
• 2020 National Service Awards: Airport Transit Services
  • Agency: The Institute for Industrial Policy Studies (IPS)
  • Award date: Sep. 2020
• 2020 Global Standard Management Awards (GSMA): CSR & Sustainability Reporting
  • Agency: Korea Management Registrar (KMR)
  • Award date: Oct. 2020
• 2020 National Value Engineering (VE) Conference & Competition: Public Sector
  • Agency: Ministry of Land, Infrastructure and Transport (MOLIT)
  • Award date: Nov. 2020
• 2020 CSR in the Community Day: Awarded by the Minister of MOHW
  • Agency: Ministry of Health and Welfare (MOHW), Korea National Council on Social Welfare (KNCSW)
  • Award date: Dec. 2020
• 2020 The Management Grand Awards: Grand Prize for Dominant of the Value (7th consecutive year)
  • Agency: Korea Management Association Consultants (KMAC)
  • Award date: Dec. 2020