The Department of Trade and Economic Development seeks to promote a healthy state economy and to expand markets for Washington's products. The state has no corporate or personal income tax and no tax on interest, dividends, or capital gains. The department offers a tax credit program for companies that expand or locate in high unemployment areas and issues industrial development bonds with federal tax-exempt status for new capital construction. It extends loans to projects in distressed and timber-dependent areas and offers low interest loans to small and medium-sized Washington State forest products companies. The state helps communities finance infrastructure improvements to retain existing businesses or to attract new companies and provides special services for small and minority-owned enterprises. By 2003, in an effort to encourage international trade, Washington had created nine foreign trade zones. Other initiatives including workshops sponsored by the Small Business Development Center on starting and expanding small businesses in the state.