Shell plc is a British multinational oil and gas company headquartered in London, England. It operates as a vertically integrated energy and petrochemicals group, engaging in exploration, production, refining, transportation, distribution, marketing, and trading of oil and natural gas. Shell plc also manufactures and markets chemicals, manages liquefied natural gas operations, and provides power generation services. The company maintains a global network of service stations and supplies fuels, lubricants, and other products under brands like Pennzoil and Quaker State. Its business segments include Upstream for exploration and production, Integrated Gas for liquefaction and low-carbon fuels, Downstream for refining and marketing, and Projects and Technology for major developments and technical services. Shell plc conducts operations across more than 70 countries, serving diverse sectors from retail consumers to aviation, marine, and industrial markets. Founded in 1907, it plays a central role in the global energy supply chain.