Andrew M. Bostock

Part of Shell Plc, Enterprise Oil Ltd. is a British company that extracts petroleum and natural gas. The company is based in London, UK. The company was founded in 1982. Enterprise Oil was acquired by Shell Resources Plc on May 07, 2002 for $5,015.54 million.

Petroceltic International Ltd. engages in the exploration and production of oil and gas resources. The firm operates its business in Algeria, Egypt, Black Sea, and Kurdistan regions. The company was founded on May 16, 1984 and is headquartered in Dublin, Ireland.

Dana Petroleum (E&P) Ltd. explores oil and gas. It is a subsidiary of Dana Petroleum Plc. The company is headquartered in Aberdeen, UK

Shell International Ltd. provides business support services. It engages in upstream and downstream oil and gas businesses in the United Kingdom and internationally. The company is headquartered in London, the United Kingdom.

Purepower Holdings Ltd. develops biomass based renewable energy projects. The projects range between 3 and 5 MW utilizing proven gasification technologies (Advanced Conversion Technology) to generate electricity for local power stations from wood and biomass waste derived fuels. The company was founded in 2004 and is headquartered in Cirencester GB.