Marathon Petroleum Corporation

Headquartered in Findlay, Ohio in the heart of the Midwest, Marathon Petroleum Corporation (MPC) is the name of the parent company which includes several subsidiary companies including Marathon Petroleum Company LP, Marathon Pipe Line LLC, and Speedway LLC.  MPC is the nation’s fifth largest refiner and the largest refiner in the Midwest. MPC’s refining, marketing and transportation operations are concentrated primarily in the Midwest, Gulf Coast and Southeast regions of the U.S.