(Fortune) -- Royal Dutch Shell (Charts) ranks no. 3 on FORTUNE's Global 500 this year, with $306.7 billion in revenues, up 14.2% from the previous year. The The Hague, Netherlands-based company was ranked no. 4 on the 2005 list. Its 2005 profits were $25.3 billion, up 39.2% from a year earlier. 2005 was a banner year for most Global 500 companies.

It took $13.7 billion in revenue just to make this year's list - up from $12.4 billion last year. And profits for the 500 companies jumped 30%. Total revenues for the Global 500 in 2006 add up to $18.9 trillion, a third of the world's GDP. In the Petroleum Refining industry, profits were up 44% from the previous year.

The world's biggest companies in the sector are: Exxon Mobil (Charts), ranked no. 1 on the Global 500 with $339.9 billion in revenues; and BP (Charts), ranked no. 4 on the Global 500 with $267.6 billion in revenues; and Chevron Corporation (Charts), ranked no. 6 on the Global 500 with $189.5 billion in revenues; and ConocoPhillips (Charts), ranked no. 10 on the Global 500 with $166.7 billion in revenues; and Total (Charts), ranked no. 12 on the Global 500 with $152.4 billion in revenues.

The Global 500 list is an annual ranking of the world's largest corporations by revenues.

Next: Full list: 2006 Global 500 at http://money.cnn.com/global500

Plus: See Royal Dutch Shell's Global 500 details, including financial stats and contact information.