501(c)(3) organization
type of nonprofit organization in the United States exempt from federal income tax
Association of Zoos and Aquariums
San Francisco AIDS Foundation
One Percent for the Planet
Antiquities Coalition
Center for Medical Progress
Rhode Island Center for Freedom and Prosperity
The Tor Project, Inc
National Christian Foundation
North American Sarracenia Conservancy
On Site Opera
ACT! for America
International Council on Clean Transportation
Defy Ventures
Society of Cannabis Clinicians
The Trace
World Professional Association for Transgender Health
Evolve USA
Clara Lionel Foundation
Americans United for Separation of Church and State
The Humane League
Boot Campaign
Warrior Films
Les Turner ALS Foundation
American Press Institute
Holocaust Museum LA
924 Gilman Street
American Institute of Biological Sciences
Heinlein Society
The Good Food Institute
Project Semicolon
Unicorn Riot
Center for Policing Equity
Simons Foundation
Big Sur Land Trust
Online Audiovisual Catalogers
Orphaned Starfish Foundation
Love For Our Elders
Greenwich House
Software Freedom Conservancy
Jews for the Preservation of Firearms Ownership
NOH8 Campaign
Digital Public Library of America
Commission on Presidential Debates
Prager University
Fund for the City of New York
Great Lakes Colleges Association
Billy Graham Evangelistic Association
Tibet Fund
World Wide Web Foundation
Gay, Lesbian and Straight Education Network