Associations Unlimited

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Associations Unlimited combines data from the entire Encyclopedia of Associations series and includes additional IRS information on nonprofit organizations, for a total of more than 456,000 organizations. The database also contains association materials -- brochures, logos and membership applications. Public and academic librarians, library users, business people and staff of nonprofit associations find Associations Unlimited an indispensable source for: locating national, international and local associations; monitoring association trends; identifying related associations; networking and making professional contacts; marketing to associations, their members and markets; and so much more. Its convenient modular format allows libraries to pay only for the modules they desire. In addition, researchers appreciate its multiple search capabilities, automatic data updates and many other helpful features.

Five search methods are available for easy-searching:

  • Simple Searches enable searching by name or acronym, geographic location, and subject/SIC/free-text
  • Custom Search allows multiple-field searching; fields include name, subject/SIC, geographic location, publications, meetings, year founded, and budget
  • Expert Search allows experienced users to perform multiple-field searches using field abbreviations with Boolean operators
  • IRS Data on Nonprofits Search provides Custom Search interface with fields such as name, location, asset amount, foundation type, and activity type

Features and Benefits

  • Includes U.S. National Associations, International Associations, U.S. Regional, State, and Local Associations
  • IRS Data on U.S. Nonprofit Organizations covers those organizations that have applied for and been granted nonprofit, or 501(c), status by the U.S. Internal Revenue Service.


"This web resource will be a boon to front-line reference librarians and their patrons alike; it performs very well and is recommended for all libraries." -- Library Journal (03/15/99)

— Library Journal

"Well-designed search screens that link to online assistance. Both novice and expert searchers will find the interface simple to learn and use, and the extended and expert modes provide powerful tools for precise searching. All libraries will benefit from this system." -- CHOICE (August 1999)

— Choice

"...the content of the database is beyond compare, and easily accessed with powerful search options. Summing it up: Highly recommended. All libraries." -- Choice (October 2006)

— Choice