The energy sector is a category of companies related to producing or supplying energy. It includes companies involved in the exploration and development of oil or gas reserves, oil and gas drilling, and refining. 

Three Chevron oil trucks line up outside the refinery in California Three Chevron oil trucks line up outside the refinery in California
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Updated Nov 20, 2024
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Exxon Mobil Headquarters in Kuala Lumpur, Malaysia Exxon Mobil Headquarters in Kuala Lumpur, Malaysia
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Updated Feb 27, 2023
Source Getty Images - Scott Olson Source Getty Images - Scott Olson
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Updated May 31, 2024
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