Hindustan Petroleum Corporation Limited (HPCL) is an Indian oil and natural gas company with its headquarters at Mumbai, Maharashtra. It has about 25% market-share in India among public-sector companies (PSUs) and a strong marketing infrastructure. Oil and Natural Gas Corporation, also second promoter of the company (first promotor is The President of India) , owns 51.11% shares in HPCL and others are distributed amongst financial institutes, public and other investors.[2][3][4] The company is ranked 367th on the Fortune Global 500 list of the world's biggest corporations as of 2016.