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ReferenceUSA Historical Data: About and Access

ReferenceUSA Historical Data



referenceusa logoAccess: UCI - Authorized Affiliates
Geography: US

Historical company records, created annually from Data Axle's U.S. Business Database; a snapshot of the data is saved each December. Variables for each company include: company name, mailing address, SIC and NAICS codes, employee size, sales volume, latitude/longitude, and more.

  • The UCI Libraries' license spans 1997-2021.
  • For a complete variable list or sample dataset, Authorized UCI affiliates can email the ReferenceUSA historical datasets administrator, Annette Buckley:  

How To Request Access

The UCI Libraries do not host ReferenceUSA data.  It is provided to UCI- Authorized Affiliates upon request.  Here are the instructions to request data.  

  • Copy fields numbered 1-4, listed below.
  • Paste the fields into an email and complete them.  
  • Address the email to the ReferenceUSA historical data administrator, Annette Buckley, Business and Economics Librarian:
  • Send the email from your @uci email address
  • Use this link to start your request.  

  1. Research Description (brief summary, 3-4 lines)
  2. Years of coverage
  3. Selection Criteria (SIC, NAICS, Employee Size, Sales Volume)
  4. Geographic Selection(s) (State, County, Metro, City, Zip, Radius)

The administrator will forward your request to Data Axle staff.  They will then respond with an order form for you to sign.  After you return the signed form, you will receive a reply email with instructions and a link to access the files.  The data sets will be packaged in zip files and split into years. 

The UCI Libraries’ ReferenceUSA Historical Datasets administrator typically processes data requests within 48 hours during the business week.  If you have not received an update after 48 hours, please use UCI’s Ask A Librarian email service, and copy/paste this message: 

  • I am a researcher requesting access to the ReferenceUSA Historical datasets.  It has been more than 48 hours since I submitted my request for access to the data.  This link has instructions for UCI Libraries staff to help me get access to the data (LibApps login required).

 Box title- Access Answers 

What can I access? 

Access is generally available to all users. Registration or account creation might be required to access.

For commercial websites, the UCI Libraries do not offer premium memberships or subscriptions.


Access is available to all users ON the UCI campus and at GML.

OFF campus access requires Authorized Affiliates to log into the VPN with their active UCInetID and password. Authorized Affiliates are users with an active UCInetID and password, i.e. current UCI students, faculty, and staff.


Access requires an active UCInetID and password.

Authorized Affiliates are users with an active UCInetID and password, i.e. current UCI students, faculty, and staff.


These resources are not licensed by the UCI Libraries, but librarians occasionally promote them when they are relevant for certain types of research.

Access is available only for Authorized Affiliates, who are also affiliated with the Paul Merage School of Business.


The resources are limited to select UCI populations, based on the user’s status, e.g. current UCI Faculty or PhD students. Please refer to the UCI Libraries for access instructions.

Examples for why content may be limited include: a vendor set restrictions on who may access their information; alternatively, information may be sensitive, identifying, or embargoed;


How do I access? 
-  Students
-  Employees
-  Alumni
-  Visitors

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