Iowa gas station expanding nationwide. Featured in jack ass and South Park. Gas station and it’s pizza has a cult following through out the Midwest. They and other Iowa gas station Casey’s swept through the home town of Wal-Mart and ran an Arkansas based chain out of town and stopped walmart from expanding its gas station chain in Wal-Mart’s own town. Casey’s and kum & go now have 80% market share on gas in NWA.