What they do: Private equity, investment banking, real estate, mergers and acquisitions, and more.
How long they've been doing it: Since 1985
Who runs it: Steve Schwarzman
Where are they located: NYC, San Francisco, Boston, LA, Dublin, London, Paris, Dusseldorf, Frankfurt, Istanbul, Mumbai, Singapore, Sydney, Singapore, Hong Kong, Beijing, Tokyo, Seoul and more
Fact: Blackstone throws some killer parties