From a review of the investing.com website, I identified the 34 Mexican Companies included in the S&P/BMV IPC Stock Index.
Also from a review of a combination of the wallstreetjournalmarkets.com, the investing.com, Company Annual Reports in 20-F filings with the SEC and Company annual reports included in Investor Relations websites, the table below shows the Consolidated Net Income (Loss) from Continuing Operations for annual 2021, 2020 and 2019 for each of these 34 Mexican Companies.