As many as seven Indian companies figure in the list of the world's 250 top performing energy firms, with Reliance Industries, ONGC and NTPC grabbing the top Asian ranks. In the annual rankings of Platts Top 250 Global Energy, ONGC and Reliance Industries have made into the top 50 with rankings of 23 and 39 respectively. ONGC has also been named as the third best performing energy company in Asia.

The ranking is published every year by Platts, a division of The McGraw-Hill Companies and a global energy and metals information provider.

Global oil and gas leaders have consolidated their energy businesses with the ranking led by Texas-based Exxon Mobil Corp, followed by the UK's BP Plc and Royal Dutch Shell .

Other Indian firms on the list include Indian Oil Corp (52), NTPC (103), GAIL (135), Bharat Petroleum Corp (203) and Hindustan Petroleum Corp (233).

According to Platts, China and India have dominated the sector leadership position. While ONGC has been named as the top Asian firm in the exploration and production (E&P), Mukesh Ambani-promoted Reliance Industries has topped the refining and marketing (R&M) list and NTPC has emerged as the top player in the independent power producers (IPP) category. Both India and China have seven companies each on the list. However, China is represented by just Petrochina in the top 50 compared to two from India.

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