Sara Sizer

Rolls-Royce Plc manufactures aircraft, marine and generator power systems. Its products include civil large, small aircraft and helicopter engines. The firm provides complex, integrated power systems and services to the aerospace and marine and industrial power systems markets. It also develops and provides comprehensive service packages for managing engines throughout their life-cycle. The company was founded in 1971 and is headquartered in London, the United Kingdom.

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.

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.