The State Policy Network (SPN) is an American nonprofit organization that functions primarily as an umbrella organization for a consortium of conservative and libertarian think tanks that focus on state-level policy. The organization serves as a public policy clearinghouse and advises its member think tanks on fundraising, running a nonprofit, and communicating ideas. Founded in 1992, it is headquartered in Arlington, Virginia, with member groups located in all fifty states. (Source: Wikipedia)