Top 20 rankings of Fortune 500 Indian companies | Indian Oil tops Fortune India 500 list

1	Indian Oil Corporation
2	Reliance Industries
3	State Bank of India
4	Bharat Petroleum
5	Hindustan Petroleum
6	Oil and Natural Gas Corporation
7	Tata Steel
8	Tata Motors
9	Hindalco Industries
10	ICICI Bank
11	Coal India
12	NTPC
13	Larsen and Toubro
14	Bharti Airtel
15	SAIL
16	Essar Oil
17	Bharat Heavy Electricals Ltd.
18	Mangalore Refinery
19	Mahindra and Mahindra
20	Bharat Sanchar Nigam Ltd.