John Alexander Crossey Martin

BG Group Ltd. discovers, extracts, transmits, distributes and supplies natural gas and oil. The firm operates through Upstream and LNG Shipping & Marketing segments. The Upstream segment comprises exploration, development, production, liquefaction and marketing of hydrocarbons with a focus on natural gas. The LNG Shipping and Marketing segment combines the development and use of LNG import facilities with the purchase, shipping and sale of LNG and regasified natural gas. The company is headquartered in London, the United Kingdom.

Shell U.K. Ltd. explores, produces, and sells crude oil and natural gas. The firm distributes and retails fuels, lubricants, bitumen, and chemicals. It also operates petrol stations. The company was founded in 1897 and is headquartered in London, the United Kingdom.

Total UK Ltd. operates gasoline service stations. The company has oil storage facilities located across the United Kingdom. It supplies aviation fuels to airports in Heathrow, Gatwick, and Stansted. The company is a subsidiary of TOTAL SA. It was founded in 1955 and is headquartered in Watford, the United Kingdom.

Hansa Hydrocarbons Ltd. provides gas exploration services. It aims to grow a high-value business from exploiting the remaining potential for gas across the prolific Permian Basin that extends from the Southern North Sea through onshore Northern Europe. The company was founded on November 5, 2012 and is headquartered in London, the United Kingdom.

Part of Discover Exploration Ltd., HH Laps Ltd. is a British company that engages in exploration and production of natural gas. The company is based in London, UK. HH Laps was founded in 2012.