Nonprofits & Associations
GuideStar specializes in nonprofit company intelligence. Its covers 2.7 million nonprofits and it features: Current financial data, IRS forms, and visualizations of financial trends for nonprofits. A directory to search for nonprofits by size, cause, and location. A directory to search for people in leadership roles at nonprofits.
National Center for Charitable Statistics
The national repository of data on the nonprofit sector in the United States. NCCS builds compatible national, state, and regional databases and develops uniform standards for reporting on the activities of charitable organizations.
IRS: Tax Exempt Organizations
Find information about a tax-exempt organization’s federal tax status and filings.
The Nonprofit Network
From the Center for Public Integrity. Nonprofits must report money they give to other nonprofits on the public portion of their tax returns. This grant-funded resource mined 850,000+ tax forms filed electronically since 2010 from 250,000+ givers.
Plunkett Research Online
Includes glossaries, statistics, company profiles and contacts, and industry associations and organizations.
Yearbook of International Organizations Online
From the Union of International Associations (UIA). Detailed information on global civil society bodies and networks (organization contact details, origins, relations, members, bibliography, biographies, events, statistics, etc.)