Avin Oil is an oil company based in Maroussi, Attica, Greece and is active in 9 countries. It is a 100% subsidiary of MOTOR OIL.

The company was founded in 1977, operating in cooperation with MOTOR OIL, while in 1982 it started supplying liquid fuels to Attica. In 1984 it began to operate in Northern Greece. Since 1985 it has begun its expansion into the Peloponnese market and, in particular, in 1987 in the region of Corinthia. Subsequently, emphasis was placed on Western Greece.