This list of political action committees is organized by the nature of each particular U.S. PAC's work. OpenSecrets also maintains a comprehensive and continuously updated list of PACs on its website OpenSecrets.org.

Accounting

Aerospace

Affiliated party

Democratic

Republican

Agribusiness

Alcoholic beverages

Animals

Energy sector

Alternative energy

Coal

Electric

Oil and gas

Environment

Ethnic

Finance, banking, credit, and insurance

Gun rights

Insurance

Ideology

Bipartisanship or nonpartisanship

Conservative

Liberal

Other

Health care

Hospitals and care facilities

Pharmaceutical and biotech

Providers

Entertainment

Food and beverage

Legal

Manufacturing

Marijuana

Natural resources

Real estate

Retailers

Tobacco

Labor

Leadership

House leadership

House members

Senate leadership

Senators

Former elected and public officials

Religious/Ethnic

Social issues

LGBT issues

Pro-LGBTQ

Anti-LGBTQ

Abortion

Pro-abortion rights

Anti-abortion rights

Transportation

Air

Freight rail

Road

Construction

Foreign affairs

Israel