Policy

The Heritage Foundation
United States Justice Foundation
The Cato Institute
Hoover Institution
National Rifle Association
Gun Owners of America
AmmoLand
National Center for Policy Analysis

Advocacy

American Family Association
Citizens United
The Conservative Caucus
Eagle Forum
Family Research Council
Freedom Watch
Firearms Policy Coalition

Training

American Majority
Right March
Leadership Institute
Americans for Prosperity
Independence Caucus
Abigail Adams Project

Citizen Sites

SeeBenSpend.com