Marathon Galveston Bay Refinery Org Chart
Last reviewed: 2026-05-01
The Marathon Petroleum Galveston Bay refinery in Texas City is one of the largest refineries in the United States, with approximately 631,000 barrels per day of crude processing capacity. The facility was formerly operated by BP before Marathon acquired it in 2013. Maintenance is organized by process area with multiple superintendents reporting to a Maintenance Manager. Procurement uses Marathon's centralized category management approach with local buyers for daily execution. The site is a major economic anchor for the Texas City and Galveston County area.
Key Facts
Site Overview
The Marathon Galveston Bay refinery is located in Texas City, Texas, on Galveston Bay. With approximately 631,000 barrels per day of capacity, it is one of the top three largest refineries in the United States. The facility was formerly the BP Texas City refinery before Marathon acquired it in 2013. It processes a wide range of crude slates.
Maintenance Organization
The Galveston Bay maintenance organization is led by a Maintenance Director who oversees area maintenance superintendents, a reliability engineering group, and a dedicated turnaround planning team. The site's size requires multiple layers of maintenance leadership to cover all process areas effectively. Marathon invests heavily in predictive maintenance and condition monitoring technology.
Procurement and Supply Chain
Marathon Petroleum uses a centralized procurement model with category managers at the corporate level in Findlay, Ohio. The Galveston Bay site maintains local procurement staff who execute purchase orders and manage daily vendor relationships. Vendor qualification follows Marathon's corporate AVL process, which is largely centralized.
Operations Leadership
Operations at Galveston Bay are organized by process unit with Operations Managers overseeing shift supervisors and console operators. The site runs a complex slate including crude distillation, fluid catalytic cracking, hydrocracking, and coking units. The Site Director oversees both operations and maintenance functions.
Frequently Asked Questions
Who runs maintenance at Marathon Galveston Bay?
Maintenance is led by a Maintenance Director with area superintendents covering different process unit groupings. A dedicated reliability team and turnaround planning group report through the maintenance function.
Is Marathon Galveston Bay the same as the old BP Texas City refinery?
Yes. Marathon acquired the BP Texas City refinery in 2013 and renamed it the Galveston Bay refinery. The facility has undergone significant upgrades and operational improvements since the acquisition.
How do I become a vendor at Marathon Galveston Bay?
Vendor qualification goes through Marathon's corporate procurement organization. You need to apply to the Marathon AVL, complete ISNetworld prequalification, and then engage the local site procurement team for specific opportunities.
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