Compustat

Compustat is a database of financial, statistical and market information on active and inactive global companies throughout the world. The service began in 1962.

This database provides a broad range of information products directed at institutional investors, universities, bankers, advisors, analysts, and asset/portfolio managers in corporate, M&A, private capital, equity, and fixed income markets. The database covers 99,000 global securities, covering 99% of the world's total market capitalization with annual company data history available back to 1950 and quarterly data available back to 1962 (depending when that company was added to the database).