National Bankshares Inc is a bank holding company. It focuses on lending to small and mid-sized businesses and individuals. The types of loans it offers include commercial and agricultural, commercial real estate, construction for commercial and residential properties, residential real estate, home equity, and various consumer loan products. It also operates an insurance and brokerage subsidiary, National Bankshares Financial Services, Inc. The company earns its revenues from interest and fees on loans, non-interest income, and investments.