David Walker

Aurelian Oil & Gas Ltd. explores and produces oil and gas. It evaluates, explores and develops the onshore hydrocarbon resources and applies conventional technologies to underexplored proven hydrocarbon systems. The firm focuses on Central Europe with licenses in Poland, Slovakia, Romania and Bulgaria. The company was founded by Michael Denys Seymour in 1982 and is headquartered in London, the United Kingdom.

Det Norske Veritas provides risk management services. The company operates in the maritime, oil & gas, process and transportation industries. It also provides professional consultants with the tools to conduct OPM3 assessment or improvement services to business and governmental agencies worldwide. Det Norske Veritas was founded in 1864 and is headquartered in Oslo, Norway.

BHP Group Plc engages in the exploration, development, production, processing and marketing of minerals, and oil and gas. It operates through the following segments: Petroleum, Copper, Iron Ore, and Coal. The Petroleum segment focuses on exploration, development, and production of oil and gas. The Copper segment includes mining of copper, silver, lead, zinc, molybdenum, uranium, and gold. The Iron Ore segment focuses only on mining of iron ore. The Coal segment is the mining of metallurgical coal and thermal energy coal. The company was founded on June 29, 2001 and is headquartered in London, the United Kingdom.

DNV GL Energy engages in the provision of testing, certification, and advisory services to companies in the electrical power value chain. It offers energy storage, offshore wind, future transmission grid, digitalization, smarter operations, and investing in energy. The company is headquartered in Arnhem, the Netherlands.