FirstEnergy FE

EnergyMarket cap $25B1 connection

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Competitors 1

Companies it competes with

American Electric PowerEnergy · $64BNeighbouring Ohio utilities

Other Energy companies

Saudi Aramco ExxonMobil Chevron Shell plc NextEra Energy ConocoPhillips TotalEnergies Marathon Petroleum Valero Energy Phillips 66

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Relationships are compiled by VexMap from company filings, announcements and reporting, and last reviewed September 2026. Spotted something wrong? Tell us. Not investment advice.