501(c) Organizations

Section 501 (c) entities are entities tax-exempt nonprofit organizations in the United States that obtained a 501(c) organization status from the IRS.

Some of the entities included in Section 501(c) include:
 

Corporations Organized Under Act of Congress (including Federal Credit Unions)

Religious, Educational, Charitable, Scientific, or Literary Organizations

Civic Leagues, Social Welfare Organizations, and Local Associations of Employees

Labor, Agricultural and Horticultural Organizations

Business Leagues, Chambers of Commerce, Real Estate Boards, etc.

Social and Recreational Clubs

For a complete list of Section 501(c) entities, please see IRS Publication 557