501(c)(3) organization
type of nonprofit organization in the United States exempt from federal income tax
Children's Organ Transplant Association
Cinema Tropical
Coast Guard Foundation
Code for America
Virginia Public Media
Dialysis Clinic, Inc.
Doctors for America
Doctors for Disaster Preparedness
Drum Corps International
Freedom From Religion Foundation
Earth Rights Institute
Electrical Safety Foundation International
Entertainment Industry Foundation
Ewing Marion Kauffman Foundation
Exodus Ministries
Kaya Press
Family Online Safety Institute
Farm Sanctuary
Fellowship of Christians in Universities and Schools
Film Forum
Fitchburg Historical Society
Flex Your Rights
National Low Income Housing Coalition
One Million Degrees
Signal Foundation
Future of Music Coalition
Refugee and Immigrant Center for Education and Legal Services
Gary Sinise Foundation
Gibbon Conservation Center
DC Gay Flag Football League
Modernism Week
Science of Spirituality
Global Oncology
Free Journal Network
Graduate Women in Science
CO2 Coalition
Heal the Bay
New Mexico Library Association
Xiph.Org Foundation
Restore Oregon
House Ear Institute
Sugar Labs
Imagine Schools
Independent Women's Forum
Institute for Credentialing Excellence
Institute for Middle East Understanding
Institute for the Study of War
Iowa Primate Learning Sanctuary
The BOMA Project
Chicago Cares