Page grabbed the top spot in the U.S. large companies category (those with 1,000 or more employees), with a 97 percent approval rating, up from his 2014 score of 93 percent.
He trumped 2014's top boss, LinkedIn's CEO, Jeff Weiner, whose approval rating fell to 93 percent in 2015 from 100 percent in 2014.
Joe Wiggins, head of communications for Europe at Glassdoor, said Page consistently received high ratings from across the world.
"Google has a highly engaged workforce that believe in their senior leadership team. Larry is obviously very high profile, yet very accessible to his workforce," he told CNBC via email on Wednesday.
"According to employees, Page leads the company with a strong vision and is 'brilliant', 'goofy' and very 'likeable', making him easily approachable. They also speak favorably about his ability to attract the best talent, fostering an exciting and motivating culture at work."
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It wasn't just tech chief executives with colorful offices that gained points. Mark Parker, the CEO of Nike, came in second place this year, ahead of H-E-B's Charles Butt in third.
Facebook's Mark Zuckerberg came fourth, with employee reviews saying the social media giant was an "amazing place to work." Apple's Tim Cook came in 10th place, up from 18th in 2014.
Despite a diversity of industries spanning technology, retail and travel and leisure, none of the U.S. top 50 CEOs of large companies were female.
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