Largest US Oil & Gas Companies by Revenue 2026
Ranked by 2023 SEC revenue: ExxonMobil ($399bn), Chevron ($236bn), Marathon ($180bn), Phillips 66 ($176bn), Valero ($177bn). Verified 10-K data. Includes European subsidiaries and cross-border entity structure.
12 companies · Total revenue: $1601.9bn · FY 2023
Source: Fortune 500 2023, SEC EDGAR annual filings (10-K), company earnings reports. Revenue figures are consolidated annual revenues for fiscal year 2023. Private company revenues are estimates.
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SEC EDGAR data, executives, 10-K filings, credit intelligence
Search SYNTA-IQ →About US Oil & Gas Revenue Rankings
The United States is the world's largest oil producer, with the sector generating over $1.5 trillion in combined annual revenue. ExxonMobil leads at $399 billion, followed by Chevron ($236bn), Marathon Petroleum ($180bn), Phillips 66 ($176bn) and Valero Energy ($177bn). Together, these five companies represent nearly 70% of US energy sector revenues.
SYNTA-IQ aggregates SEC EDGAR 10-K filings, annual reports and earnings data to provide verified revenue figures. The oil & gas sector includes integrated majors (ExxonMobil, Chevron), refiners (Phillips 66, Valero, Marathon), and oilfield services companies (Halliburton, Schlumberger). SYNTA-IQ also covers the European subsidiaries and holding structures of these groups registered in France, Luxembourg and the UK.