Missouri Department of Revenue Home Page, containing links to motor vehicle and driver licensing services, and taxation and collection services for the missouri 5 As Missouri's most comprehensive public research university, the University of Missouri educates tomorrow's leaders and finds solutions to society's most Missouri Department of Revenue Home Page, containing links to motor vehicle and driver licensing services, and taxation and collection services for the Missouri is a state in the Midwestern region of the United States. Ranking 21st in land area, it borders Iowa to the north, Illinois, Kentucky and Tennessee