The career website rated employers based on feedback from employees.
Facebook also managed to earn top honors in 2011 and 2013. The top tech company in the list is little-known Zoom Video Communications at No 2.
The Glassdoor list also hints at the trend that the world - and tech employees - probably no longer look at the Silicon Valley companies with rose-tinted glasses. Boston Consulting Group 6.
Glassdoor calculates its ranking each year for the top United States large employers.
Facebook ranked top in 2018 but has since sunk to seventh spot, ahead of Google in eighth. In a statement reported by the Journal, the company said "it has been a hard period, but every day we see people pulling together to learn the lessons of the past year and build a stronger company".
Search giant Google came in eighth place in 2018, following a stronger performance the year prior (fifth).
Other tech companies to made the top 100 were: Salesforce (No. 11), HubSpot (No. 16), DocuSign (No. 17), Ultimate Software (No. 18), Paylocity (No. 20), Fast Enterprises (No. 26), SAP (No. 27), Adobe (No. 30), Compass (No. 32), Microsoft (No. 34), Nvidia (No. 36), Intuit (No. 38), TaskUs (No. 40), Cengage (No. 41), Kronos Incorporated (No. 44), VMware (No. 51), AppDynamics (No. 58), Paycom (No. 62), Cisco Systems (No. 69), Apple (No. 71), NetApp (No. 82), HP Inc. Google 9. lululemon 10.
Google CEO Sundar Pichai was scheduled to testify before lawmakers on Wednesday, but the hearing is postponed due to the funeral for former President George H.W. Bush.
Only 53 per cent of Facebook employees said the company was making the world better, which is 19 per cent lower than a year ago. In its methodology, Glassdoor says it "is committed to the highest level of data integrity and reviews quality, including treating all employers equally, regardless of whether they are a customer of Glassdoor".
Amid a nationwide shortage of pilots, Southwest is one airline that has raised salaries throughout recent years to attract more talent. The global management consultancy was lauded by employees for things such as a supportive work environment and its compensation for employees in the reviews that form the basis of the ranking.