25 Most Important Private Companies

17.  Bloomberg

Could Wall Street function without Bloomberg terminals? Someday we’ll undoubtedly find out, but till then, they’re the data, news, and chat lifeline for an entire industry.  The terminals provide tens of billions of pieces of financial information daily to 325,000 financial professionals who pay more than $20,000 a year for a subscription.  Founder Mike Bloomberg used that revenue, now roughly $9 billion a year, according to Douglas B Taylor of Burton-Taylor International Consulting LLC, to assemble a formidable global business-news empire, making himself a force in everything from politics and philanthropy to the debate over guns.

Company Info

CEO    Mike Bloomberg

HQ location    New York City

By Erika Fry, Leigh Gallagher, Vivian Giang, Erin Griffith, Robert Hackett, Mathew Ingram, John Kell, Beth Kowitt, Adam Lashinsky, Michal Lev-Ram, Sy Mukherjee, Brian O’Keefe, and Christopher Tkaczyk

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