How to find the cheapest gas suppliers?

I think you should google and find out what the most economical gas suppliers you have

There are many suppliers of cheap gas. The best way to save on your gas and electric bills is to compare here https://www.simplyswitch.com/energy/guides/best-and-worst-energy-companies-2021/ and choose the best energy provider for you. By doing this, you'll be able to see which gas suppliers are in your area. More importantly, you'll be able to see which of these companies can offer the best energy deals on plans that best fit your needs.

I'm sorry I can't help you with that.