IndianOil Skytanking Limited (IOSL), is a Joint Venture company promoted by Indian Oil Corporation Limited (IOCL) and M/s Skytanking Holding GmbH, Germany (ST) with equal equity participation.

Incorporated on 21st August 2006 IOSL is the forerunner in implementing Open Access Model in Fuel Farm Operations and Single Man Refuelling in India. IndianOil Skytanking is in the business of handling Jet Fuel for Airlines on behalf of the suppliers. The decade long journey commenced its operations in May 2008 at Bangalore International Airport through a BOOT business model.