The Missouri side is the major city, with many well-known companies in the creative and service industries (Hallmark, H & R Block) along with major banks, foundations (Kauffman), and financial wealth. The Kansas City Chiefs and Kansas City Royals both play there. The Kansas side was primarily a working-class city with the second largest rail hub in the U.S. (after Chicago) and at one time, home to most of the second largest stockyard in the country (after Chicago). 1/2