EXHIBIT 21. Parent and Subsidiaries National Commerce Bancorporation and Subsidiaries - ------------------------------------------------- The following table shows the subsidiaries of NCBC, their jurisdiction of organization, and the percentage of voting securities owned by each subsidiary's parent as of December 31, 1996. % of Voting Name Jurisdiction Securities of of Owned by Subsidiary Organization Parent Parent - ------------------------------------------------------------------------ National Bank of Commerce United States NCBC 100.00% Commerce General Corporation Tennessee NBC 100.00 NBC Capital Markets Group, Inc. Tennessee NBC 100.00 Nashville Bank of Commerce Tennessee NCBC 100.00 NBC Bank, FSB (Knoxville) Tennessee NCBC 100.00 Commerce Capital Management, Inc. Tennessee NCBC 100.00 Monroe Properties, Inc. Tennessee NCBC 100.00 Commerce Corporate Advisors, Inc. Tennessee Nashville 100.00 National Commerce Bank Tennessee Nashville 100.00 Services, Inc. Commerce Finance Company Tennessee NCBC 100.00 Commerce Acquisition Corp Tennessee NCBC 100.00 NBC Bank, FSB (Belzoni) Mississippi CAC 100.00 Brooks, Montague & Associates, Inc. Tennessee NCBC 100.00 TransPlatinum Service Corp. Tennessee NCBC 100.00 Kenesaw Leasing, Inc. Tennessee Knoxville 100.00 All of the above subsidiaries are included in the consolidated financial statements contained in the report.