This week, we continue to look into some major Oil & Gas companies around the world. You may find these information useful if you are looking for business leads, or maybe you are a recruitment agent specializes in the booming oil & gas sectors, or maybe you are looking for new career opportunities.

Oil & Gas continue to grow despite of the falling oil prices and rising interests in renewable energy sectors, this week, we picked 4 companies from different parts of the world.

Zargon Oil & Gas (Canada & USA)

Zargon Oil & Gas Ltd (Zargon) is a Canada-based company engaged in the exploration for and development and production of petroleum and natural gas in Canada and the United States. Zargon derives its revenue from the production and sale of petroleum (oil, natural gas liquids) and natural gas.

In 2008 & 2009, it had made several acquisitions including Rival Energy and Newpact Energy Corp. It is currently ranked one of the largest oil & gas companies in Canada. Zargon is headquartered in Calgary, Alberta, Canada; but it has operations across North America.

ROC Oil (Australia)

I used to follow ROC Oil a lot when I was an Oil & Gas analyst in Australia. The company is one of the very first Australian companies that has explorations in overseas opportunities. Today, the group has operations in 4 regions: Australia / New Zealand, Africa, China and the United Kingdom.

During 2008/2009, ROC's drilling programme included 15 exploration/appraisal wells in China, Angola, Australia and Mauritania, and more than a dozen development wells in China, Mauritania and the North Sea.

Some of its wholly owned subsidiaries include Roc Oil (Gobi) Pty Limited, Elixir Corporation Pty Ltd, Anzon Energy Nigeria Roc Oil (WA) Pty Limited and Roc Oil (GB) Limited. In 2008, the Company also completed the acquisition of Anzon Australia Limited, one of the promising junior energy companies. ROC is headquartered in Sydney, NSW, Australia but has operations worldwide.

Aban Offshore Ltd (India/Asia)

Essar Oil Limited (EOL) is an India-based company that is engaged in the exploration and production of oil and gas, refining of crude oil, and marketing of petroleum products.

The Company’s assets include developmental rights in proven exploration blocks, a 10.5 million tons per annum refinery in the west coast of India and over 1,000 oil retail stations across India.

The Exploration and Production (E&P) business of the Company has participating interests in several hydrocarbon blocks for exploration and production of Oil & Gas.

This includes the Ratna and R-Series blocks on Bombay High and an E&P block in Mehsana, Gujarat. It serves retail customers through a network of over 1,000 retail outlets. The Company’s subsidiaries include Vadinar Power Company Limited, Essar Oil Vadinar Limited and Essar Energy Overseas Limited. The company is headquartered in Chennai, India, and is one of the fastest growing oil & gas companies in Asia.

For more information about Oil & Gas companies globally, please visit our website for http://researchwhitepaper.com for our Global Oil & Gas Companies Guide which contains over 1,000 Oil & Gas companies (and growing) worldwide.