According to the CIA and FoxNews, they have ONE gas refinery.
LLS
Alright. It's one Gasoline refinery. They have many refineries, but all but one are only for crude products.
From a DOE website:
"According to Oil and Gas Journal, Iran has a combined capacity of 1.64 million bbl/d. Major refineries include: Abadan (400,000-bbl/d capacity); Isfahan (265,000 bbl/d); Bandar Abbas (232,000 bbl/d); Tehran (225,000 bbl/d); Arak (150,000 bbl/d); and Tabriz (112,000 bbl/d)." - link