Sepahan Oil Company (SOC) | 6,409 followers on LinkedIn. Sepahan Oil Company (SOC), established in 2002, is an oil refining independent company based in Tehran with its'​ refining facilities located in Isfahan. The name of the company "Sepahan"​ has been taken from the ancient name (224 to 621 AD) of the historical and cultural city of Isfahan, in the central Iran. In 2013, SOC began offering shares of stock on Tehran Stock Exchange.