Facebook, Google, and Bain & Company are the 3 best employers in the US - here's what they have in common

Two tech companies and a consulting firm make an unusual trio, but according to the employer review site Glassdoor they share one key distinction.

Google, Facebook, and Bain & Company are the three best workplaces in the US.

Since 2009, when Glassdoor began collecting data for its Best Places to Work ranking, the three companies have consistently made the list, and lately they've stayed ins the top 10. Bain & Co. was ranked the best workplace of 2017, Google the best of 2015, and Facebook the best of 2014.

There are a number of ways to explain what makes the companies great. Here are the biggest factors.

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