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S&P Capital IQ provides both real-time and historical information on companies, markets, transactions, and people worldwide. Requires registering an individual account with a yale email address. Individuals that do not want to create an individual account can use S&P NetAdvantage for similar functionality.
Directory of global business information that features access to private and public U.S and international business data, executive contact information, and industry research. Data is provided from D&B Hoovers.
Searchable directory of public and private U.S. and Canadian companies. Featuring 24+ million current records and 150+ million historical records (back to 2003). Can be used to create maps and charts of business locations.
ReferenceUSA (now Data Axle Reference Solutions) limits the number of records that can be downloaded per search. For access to a deeper backfile of historic records (back to 1997) without download limits, try the InfoGroup Historical Business data, available via WRDS.
The following resources cover private & venture-backed companies exclusively:
Features real time data to research and analyze companies, PE & VC deals, funds, investors and service providers across the entire private investment lifecycle. Requires users to sign up for an accounting using a Yale email address. Commercial use is prohibited.
Source for business and financial data on major, non-publicly traded corporations, including family owned, private equity owned, venture backed, and international unlisted companies. Requires users to sign up for an account using a Yale email address.