As of 2016, there are 2,188 billionaires across the world, according to a recent report from Hurun, a Shanghai firm that releases yearly rankings and research about the world's richest people.
It turns out that some companies have a higher concentration of the richest of the rich than others. Of course, some of these companies are run by powerful families that have multiple billionaires in their clan, but others are not.
Read on to see the 11 companies with the most billionaires:
SEE ALSO: The 20 youngest self-made billionaires in the world

Headquarters: Menlo Park, California
Number of employees: 12,700
Number of billionaires: 5
The social-networking service and website was cofounded in 2004 by current CEO Mark Zuckerberg, Dustin Moskovitz, Eduardo Saverin, Andrew McCollum, and Chris Hughes.
In 2015, Facebook generated $12.5 billion in annual sales. It also topped Business Insider's 2015 list of the 50 best companies to work for in America.

Estée Lauder
Headquarters: New York City, New York
Number of employees: 44,000
Number of billionaires: 5
Estée Lauder, which manufactures and markets skin-care, makeup, fragrance, and hair-care products, was cofounded by the husband-wife team of Estée Lauder and Joseph Lauder in 1946.
Today, the Lauder family controls 77% of the company's voting power and has an estimated net worth of $16.5 billion.

Hennes & Mauritz
Headquarters: Stockholm, Sweden
Number of employees: 93,351
Number of billionaires: 5
H&M, the popular clothing and accessories company, was founded in 1947 by Erling Persson. His son, Stefan Persson, took over as CEO for 16 years, until 1998.
Today, Stefan owns a 28% stake and serves as chairman, while his son, Karl-Johan, serves as CEO.
See the rest of the story at Business Insider