How does one find out which Oil Marketing Company like PSO, Total, Attock provide the best petrol or diesel? Which one is the best in your opinion?
You'll have to find out which pumps in your city are company operated.
Only way to tell is by googling for a pdf document listing which pumps, or calling head office to find out. I think pso has a pdf somewhere. Not sure about others.
Someone with more experience may be able to help.
Here's a link for pso
https://www.google.ca/url?sa=t&source=web&rct=j&opi=89978449&url=https://psopk.com/files/pdf/nfr/non_fuel_retail_list_for_hoardings.pdf&ved=2ahUKEwjvweSU4JqAAxUNTaQEHSJ2A4AQFnoECA0QAQ&usg=AOvVaw2hx71K1Axxktpm-MBovjga
