Petro Serve USA is a regional home, commercial and agricultural energy cooperative founded in 1934. It also operates gas stations and convenience stores across Minnesota and North Dakota. The company specializes in "100% American-made fuels" and features bio-blender pumps and is a major proponent of renewable fuels, introducing midgrade ethanol and soy diesel blends into many cities in the region.

Most locations feature car washes. Foodservice offerings include Hot Stuff Pizza.

For benchmarking purposes, store counts are year-end 2019.

Headquarters:Fargo, North Dakota
No. of Stores:32
Rank Last Year:194