# clm_D7BEC2297F44

subject: Marathon Petroleum (/record/marathon-petroleum.md)  
predicate: founded  
value: 1887  
valid_from: 1887-01-01  
valid_to: null  
published: no source on record carries a date  
recorded: 2026-11-11  
confidence: 0.60  
status: unverified  
assertable: false (unverified: Unverified: one source that is not primary, or a primary source below confidence 0.7. Asserted once a primary source or a second independent domain confirms it.)  
superseded_by: null  
last_updated: 2026-11-11  
cite: AsOf. "Marathon Petroleum founded: 1887", as of 1887-01-01. Claim clm_D7BEC2297F44, https://asof.is/claim/clm_D7BEC2297F44, accessed 2026-11-12. Source: https://www.ebsco.com/research-starters/history/marathon-petroleum-corporation/.  
checked: 2026-11-11 · its source page states the value and the date  

> Founded in 1887 as the Ohio Oil Company, Marathon has a long history of growth

What https://www.ebsco.com/research-starters/history/marathon-petroleum-corporation/ says, word for word.

## Sources

- https://www.ebsco.com/research-starters/history/marathon-petroleum-corporation/ (secondary, ebsco.com)

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