What is the crossword answer for the clue: Big name in gas

ESSO - a 4 letter word may be the answer you are looking for!

AMOCO - a 5 letter word may be the answer you are looking for!

GETTY - a 5 letter word may be the answer you are looking for!

RHO - a 3 letter word may be the answer you are looking for!

Big name in gas

3 Character Answers:

RHO

4 Character Answers:

ESSO

5 Character Answers:

AMOCO

GETTY