From a review of the companiesmarketcap.com, the value.today.com and the google finance websites, there are 23 South Korean Companies with stock market caps recently above US$ 10 bil and that also reported their earnings in South Korean Won for each of the most recent three years.
The table below shows the Consolidated Net Income (Loss) from Continuing Operations for 2021, 2020 and 2019 for each of these 23 South Korean Companies. All of these South Korean Companies had December year ends.