About ReferenceUSA (14 million companies)

The University Libraries

Provides access to 14 million U.S. companies, 120 million U.S. residences, 650,000 physicians and dentists, and 95,000 U.S. and Canadian high-tech businesses.
For most companies, ReferenceUSA provides an address and phone number, SIC and NAICS codes, brands, estimated sales, number of employees, credit rating, and more.
Complex searches, based on any combination of many values, are possible.
Data for U.S. companies can be exported to a spreadsheet.
Includes the OneSource Global database, which covers 3.7 million international companies, and includes Investext, RMA Annual Statement Studies, and industry & market reports from Datamonitor, Freedonia, Business Monitor International, and STAT-USA/NTDB Industry Sector Analysis.
How to cite this database in APA format