Washington Research Council    
Provides independent information on state and local government in Washington State

Washington Policy Center
A nonpartisan, free-market, state-based think tank in Seattle, Washington, that publishes studies, sponsors events and conferences, and educates citizens on public policy issues facing Washington state

Puget Sound Regional Council  
An association of cities, towns, counties, ports, and state agencies that serves as a forum for developing policies and making decisions about regional growth and transportation issues in the four-county central Puget Sound region

Washington Roundtable  
The Washington Roundtable is composed of 40 chief executive officers and citizen members. It was formed in 1983 to study and make recommendations on critical public policy issues affecting Washington State. The Washington Roundtable is a nonprofit and nonpartisan organization and its work is supported by its corporate members

Washington Administrative Code (WAC) Revised Code of Washington (RCW)  
Washington Law and Regulations