Small business events in your area
Doing business in the state
Office of the Secretary of State - Corporations
Office of Economic Development
Taxation
Employer links
Department of Labor and Regulation
Reemployment Assistance (formerly Unemployment Insurance)
General
Small Business Administration - South Dakota
Office of Procurement Management
SBA.gov's business licenses and permits search tool allows you to get a listing of federal, state and local permits, licenses, and registrations you'll need to run a business.