A Boise-based free-market think tank founded in 2009. Rates 300–400 bills per session based on limited government, individual liberty, and property rights. Widely seen as Idaho’s most consistent conservative scorecard.

IACI calls itself “Idaho’s most effective business lobby.” Rates 10-20 bills per year based on priorities set by IACI’s corporate members. Generally aligned with economic development, regulatory moderation, and incumbency support.

Evaluates votes based on adherence to constitutionalism, sovereignty, and anti-globalist principles.

A national free-market advocacy group that scores federal legislators on tax, spending, and regulatory votes. Emphasizes limited government, low taxes, and economic liberty.

Project of the American Conservative Union. Produces state-specific conservative indexes. Includes cultural, economic, and civil liberty metrics in their annual ratings.