High Quality Content by WIKIPEDIA articles! UMB Financial Corporation (NASDAQ: UMBF) is an American financial services company based in Kansas City, Missouri with operations in seven, mostly Midwestern, states. The company owns commercial banks, a brokerage company, a community development corporation, a consulting company, a mutual fund servicing company, and 16 other subsidiaries. As of December 31, 2008, it had just under $11 billion in assets. The company was founded in 1913 as City Center Bank by William T. Kemper with $1,100 in first-day deposits. William's son R. Crosby Kemper became president in 1919. Crosby's brother, James M. Kemper, worked on building Commerce Bancshares. City Center Bank started what is claimed to be the first "drive-up" window in 1928.