How Many People Work at Marathon Petroleum? Headcount and Employee Trends

• Marathon Petroleum Corporation, headquartered in Findlay, Ohio, is a leading oil and gas refining and marketing company with a refining utilization rate of 94% and a margin capture of 105% as of 2025.
• In April 2026, Marathon Petroleum entered into a $5 billion five-year revolving credit agreement to enhance its financial flexibility and support ongoing operations and capital projects.
• The company reported a fourth-quarter net income of $1.5 billion for 2025, driven by strong performance in its Refining & Marketing segment, which generated approximately $2 billion in adjusted EBITDA.
• Ideal buyers for Marathon Petroleum include large-scale industrial clients and energy companies seeking reliable fuel supply and refining services, as the company is positioned to meet increasing refined-product demand and regional market tightness into 2026.

Marathon Petroleum's workforce is organized into four primary departments, with a notable concentration in Information Technology, which employs 2 individuals. The Executive, Marketing, and Operations departments each have a headcount of 1, indicating a lean organizational structure. This distribution suggests a focused approach to essential functions, with a minimal number of personnel in each area, reflecting the company's operational efficiency.

The company's workforce is distributed across two main locations, with Long Beach, CA and Indianapolis, IN each hosting 1 employee. The 'Other' category accounts for 3 employees, indicating a remote or distributed workforce model. This geographic distribution suggests a strategic placement of resources, allowing for flexibility and responsiveness to operational needs across different regions.