Here are some publicly traded large companies that do a lot of coal mining:
https://finance.yahoo.com/quote/BHP/
https://finance.yahoo.com/quote/RIO/
https://finance.yahoo.com/quote/AAL.L/
https://finance.yahoo.com/quote/COALINDIA.NS/
https://finance.yahoo.com/quote/GLCNF/
Coal India did pretty well, I guess. The others, not so much.
Here are some publicly traded large companies that do a lot of coal mining:
https://finance.yahoo.com/quote/BHP/
https://finance.yahoo.com/quote/RIO/
https://finance.yahoo.com/quote/AAL.L/
https://finance.yahoo.com/quote/COALINDIA.NS/
https://finance.yahoo.com/quote/GLCNF/
Coal India did pretty well, I guess. The others, not so much.