Google could not be immediately reached for comment on the rankings. The company recently signaled that it was doing away with its infamous brain teaser questions, such as, "Why is a pothole cover round?" But it is not clear whether those changes were made before or after Glassdoor started compiling its reviews beginning in July 2012.
Google receives roughly 2 million applications a year for jobs and makes only between 5,000-7,000 hires.
Glassdoor's ranking also included the average length of the entire interview process for each of the companies listed. At 39 days, McKinsey's was long, but not nearly as long as some of the other top companies.
Teach for America, which ranked 13th overall, boasts the longest interview process, at 55 days. Also getting high marks here were Procter & Gamble, at 50 days, and aircraft engine maker Rolls-Royce, at 46 days.
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