Courtesy of HubSpot Glassdoor's annual list of the best places to work in 2020 included 31 tech companies, ranging from industry giants like Google, Microsoft, and Salesforce to lesser-known names in the health tech and real estate industries. Several Silicon Valley tech giants, like Facebook and Apple, dropped a few places on Glassdoor's list compared to last year. The sales and marketing software provider HubSpot took the number-one spot. Visit Business Insider's homepage for more stories.