An oil and gas company is a business that explores, extracts, refines, and sells petroleum products. These companies operate in various stages of the oil and gas supply chain, including exploration, drilling, production, and distribution. They play a crucial role in providing energy resources that power vehicles, heat homes, and support industries. These companies often work in collaboration with governments and other organizations to ensure sustainable practices and compliance with environmental regulations. Major players in the industry include ExxonMobil, Chevron, and Royal Dutch Shell, which are known for their global operations and significant contributions to the economy.