Motor Oil is a prominent Greek multinational energy group established in 1970, headquartered in Marousi, Greece. The company specializes in crude oil refining and petroleum marketing, primarily serving Greece and the Eastern Mediterranean region. Its Corinth refinery, operational since 1972, is one of the top refineries in Europe, known for its advanced processing capabilities.

The Motor Oil Group includes over 100 subsidiaries and employs around 3,000 people. It operates more than 1,500 gas stations across Greece and eight other countries. The company is publicly traded on the Athens Exchange and is part of major indices, reflecting its significant market presence.

Motor Oil's offerings encompass a wide range of high-quality petroleum products, including gasoline, diesel, and lubricants. The company is also involved in power generation, focusing on renewable energy and sustainable electricity supply. Additionally, it invests in circular economy initiatives, emphasizing waste management and recycling. With exports to over 75 countries, Motor Oil plays a vital role in supporting the Greek economy and expanding its influence in the region.