EX-21 4 ex21.txt SUBSIDIARIES Exhibit 21 (i) SUBSIDIARIES OF NATIONAL BANKSHARES, INC. 1. The National Bank of Blacksburg a national banking association, with headquarters in Blacksburg, Virginia 2. Bank of Tazewell County Incorporated in Virginia 3. National Bankshares Financial Services, Inc. Incorporated in Virginia d/b/a National Bankshares Investment Services d/b/a National Bankshares Insurance Services