I'M ALMOST SURE ANY 6' ROUND SIGN WOULD FIT IN THIS POLE, BUT I'VE ONLY SEEN TEXACO IN THIS PARTICULAR POLE STYLE AS SHOWN BELOW:



I KNOW OF 3 LOCALLY THAT ARE TEXACO IN THAT STYLE POLE FRAME.
GULF SIGNS WERE 66" WIDE, SO NOT FOR THIS SET-UP.

DOC @ TAG.WEST

DOC @ THE AMERICAN GARAGE