The Blackstone Group
Blackstone's private equity business has been one of the largest investors in leveraged buyouts in the last decade, while its real estate business has actively acquired commercial real estate. Since its inception, Blackstone has  invested in such notable companies as Hilton Worldwide, Merlin Entertainments Group, Performance Food Group, Equity Office Properties, Republic Services, AlliedBarton, United Biscuits, Freescale Semiconductor, Vivint, and Travelport.