Bloomberg L.P. is a privately held financial, software, data, and media company headquartered in Midtown Manhattan, New York City. It was founded by Michael Bloomberg in 1981, with the help of Thomas Secunda, Duncan MacMillan, Charles Zegar, and a 30% ownership investment by Merrill Lynch. 
Headquarters: New York, New York, United States
Revenue: 9.6 billion USD (2017)
CEO: Michael Bloomberg (Dec 31, 2014–)
Parent organization: Bloomberg Inc.
Subsidiaries: Bloomberg BNA, Bloomberg News, MORE
Founders: Michael Bloomberg, Thomas Secunda, Charles Zegar, Duncan MacMillan