Google urged its staff travelling overseas on Friday to immediately return to the U.S. if they would be affected by the order.
CEO Sundar Pichai issued a memo slamming Trump's order saying 100 employees were affected, Bloomberg reports.
The tech company feared its employees, even though they have valid visas, would be stopped from returning to the country.
Facebook's Mark Zuckerberg hit out at Trump condemning his anti-immigration bans.
'The United States is a nation of immigrants, and we should be proud of that,' Zuckerberg said.
http://www.bloomberg.com/news/articles/2017-01-28/google-recalls-some-staff-to-u-s-after-trump-immigration-order