Use this database to build a company list and search for company, industry and people profiles.

Hoover's gives you access to best in class data made up of approximately 84 million private and public companies, including subsidiaries.  Below is a screenshot of the company list builder and its criteria. 

"Business and financial data on major, non-publicly traded corporations, including family owned, private equity owned, venture backed, and international unlisted companies." Contains data on over 650,000 U.S. private companies, over 100,000 private market deals and venture captial fundings, and over 18,000 private market market investors. May search by keyword as well as by industry.

Access is free for University of Illinois at Urbana-Champaign users, but you must create an account. Sign up with your university e-mail address from the main page. Once inside, search by company or investor name.