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NUMERIC DATA SERVICES HOME

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Contact Us

Contact Jeff Essic
Data Services Librarian
Phone 919-515-5698

Contact Matt Sumner
Data Services Librarian
Phone 919-513-0932

Contact Hyun-Duck Chung
Librarian for Management and Entrepreneurship
Phone 919-513-2119


The Numeric Data Services webpages were written predominantly by Michele Hayslett, who as of Dec. 1, 2008 is a Reference Librarian at UNC Libraries.

NCCS Data Web: IRS Business master file

Parameters

  • All organizations registered as tax exempt with IRS
  • 1.4 million (May ’06)
  • Files available for 1989, 1995-2006
  • Basic descriptive information
    • Mostly from Form 1023 Application for Exemption
    • Gross receipts, assets, tax period from most recent Form 990

Limitations

  • Missing years in early 1990s
  • 21% of orgs couldn’t be located in a 1990s survey
  • Only the most basic descriptive information
  • Addresses may be out-of-date
  • Some errors on finances
  • Only partial (and probably not representative) coverage of religious organizations

 

Click on the NCCS Data Web heading to access the database
through the Libraries' Databases list.

Return to the main descriptive page

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