Superpumper is a regional convenience store chain based in Minot, N.D. The chain s market area includes the entire state of North Dakota, western Minnesota, northern South Dakota and western Montana. This market area encompasses approximately 160,000 square miles and nearly 1.75 million people. Founded in 1983, Superpumper was included in Inc. magazine s list of the 500 Fastest Growing Companies in 1989. Superpumper has 15 locations, including four in Minot. SPF Energy acts as the holding company for Superpumper and Farstad Oil and has no direct operations.