There are many other helpful resources online. A few are below:
A Guide for Small Businesses in Washington State Published by the Washington State Department of Community, Trade and Economic Development. This guide includes information on state financing possibilities.
www.choosewashington.com/business_resources/2009guideforsmallbusiness.pdf
Operating a Business in Washington State: A Business Resource Guide published by the Department of Licensing, Department of Employment Security, Department of Labor and Industries, Department of Revenue and Secretary of State. Also a good resource that explains the different types of businesses and varied registration requirements if you are hiring or not hiring employees, etc.
www.dol.wa.gov/business/operate.pdf