Exhibit 21

The consolidated subsidiaries of the Registrant at February 1, 2009 were as follows:

		State or Other
		Jurisdiction of
Name	Location	Incorporation
CBI-Kansas, Inc.	Kansas City, MO	Kansas
Commerce Bank, National Association	Kansas City, MO	United States
Commerce Brokerage Services, Inc.	Clayton, MO	Missouri
Clayton Holdings, LLC	Kansas City, MO	Missouri
Clayton Financial Corp.	Clayton, MO	Missouri
Clayton Realty Corp.	Clayton, MO	Missouri
Illinois Financial, LLC	Peoria, IL	Delaware
Illinois Realty, LLC	Peoria, IL	Delaware
Commerce Insurance Services, Inc.	Fenton, MO	Missouri
Commerce Investment Advisors, Inc.	Kansas City, MO	Missouri
Commerce Mortgage Corp.	Kansas City, MO	Missouri
CBI Leasing, Inc.	Kansas City, MO	Missouri
Tower Redevelopment Corporation	Kansas City, MO	Missouri
Shawnee State, Inc.	Shawnee, KS	Kansas
CBI Insurance Company	Kansas City, MO	Arizona
CFB Partners II, LLC	Kansas City, MO	Missouri
CFB Partners, LLC	Clayton, MO	Delaware
CFB Venture Fund I, Inc.	Kansas City, MO	Missouri
CFB Venture Fund, L.P.	Clayton, MO	Delaware
CFB Venture Fund II, L.P.	Kansas City, MO	Missouri
Capital for Business, Inc.	Kansas City, MO	Missouri