Website :http://www.cpcl.co.in/ 
Chennai Petroleum Corporation Limited (CPCL) is an Indian state-owned oil and gas corporation headquartered in Chennai, India. It was formed as a joint venture in 1965 between the Government of India (GOI), AMOCO and National Iranian Oil Company
(NIOC) having a share holding in the ratio 74%: 13%: 13% respectively.
From the grassroots stage CPCL Refinery was set up with an installed
capacity of 2.5 Million Tonnes Per Annum (MMTPA) in a record time of 27
months at a cost of Rs. 430 million without any time or cost overrun.
In 1985, AMOCO disinvested in favour of GOI and the shareholding percentage of GOI and NIOC stood revised at 84.62% and 15.38% respectively. Later GOI disinvested 16.92% of the paid up capital in favor of Unit Trust of India, mutual funds, insurance companies and Banks on 19 May 1992, thereby reducing its holding to 67.7%. The public issue of CPCL shares at a premium of Rs. 70 (Rs. 90 to FIIs) in 1994 was over subscribed to an extent of 27 times and added a large shareholder base of over 90000.As a part of the restructuring steps taken up by the Government of India, Indian Oil Corporation Limited ( IOCL) acquired equity from GOI in 2000-01 Currently IOC holds 51.88% while NIOC continued its holding at Wax and Petrochemical feedstocks production facilities.
Chennai Petroleum Corporation Limited (CPCL) is an Indian state-owned oil and gas corporation headquartered in Chennai, India. It was formed as a joint venture in 1965 between the Government of India (GOI), AMOCO and National Iranian Oil Company
(NIOC) having a share holding in the ratio 74%: 13%: 13% respectively.
From the grassroots stage CPCL Refinery was set up with an installed
capacity of 2.5 Million Tonnes Per Annum (MMTPA) in a record time of 27
months at a cost of Rs. 430 million without any time or cost overrun.In 1985, AMOCO disinvested in favour of GOI and the shareholding percentage of GOI and NIOC stood revised at 84.62% and 15.38% respectively. Later GOI disinvested 16.92% of the paid up capital in favor of Unit Trust of India, mutual funds, insurance companies and Banks on 19 May 1992, thereby reducing its holding to 67.7%. The public issue of CPCL shares at a premium of Rs. 70 (Rs. 90 to FIIs) in 1994 was over subscribed to an extent of 27 times and added a large shareholder base of over 90000.As a part of the restructuring steps taken up by the Government of India, Indian Oil Corporation Limited ( IOCL) acquired equity from GOI in 2000-01 Currently IOC holds 51.88% while NIOC continued its holding at Wax and Petrochemical feedstocks production facilities.