All companies were ranked by four main criteria, including asset value, revenues, profits and return on capital employed.
Valuation was performed based on Standard & Poor’s database which is, like Platts, a McGraw-Hill Company.
In the 2007 ‘Top 250 Energy Companies’ rankings, LUKOIL held 6th and 11th places, in 2006 – the 6th and 15th places and in 2005 – the 9th and 16th places respectively.