The gap between Silicon Valley and most other businesses is also a function of what we mean when we say "Silicon Valley" now - there has been little pressure on the leaders of enormous-but-boring Bay Area Fortune 500 companies like Salesforce or Oracle to speak up.
Temporary worker permits for high-skilled workers are known as H-1B's and could theoretically be included in the order, which is already facing legal and political opposition on many fronts.
Dorsey was one of the few top tech executives not invited to last month's summit with Trump, reportedly because Trump, a frequent Twitter user, was angered that the site declined to allow an anti-Hillary Clinton emoji during the presidential campaign. The Facebook CEO noted that he's "concerned about the impact of the recent executive orders signed by President Trump", especially the ones related to immigration restriction. Cook also added that the company doesn't support the policy of ban on foreign nationals.
Sunda Pichai, the company's CEO, also revealed that over 100 staff were affected by the order.
"Apple would not exist without immigration, let alone thrive and innovate the way we do", Cook wrote, an apparent reference not only to the company's foreign-born employees, but to Apple co-founder Steve Jobs, the son of a Syrian immigrant.
Some of the most pointed commentary came from Netflix's Hastings, who wrote on his Facebook page: "Trump's actions... are so un-American it pains us all. It is time to link arms together to protect American values of freedom and opportunity".
Additionally, LinkedIn, which Microsoft acquired in June for $26 billion, said on Sunday that it would bring its Welcome Talent program to the U.S. The Welcome Talent Program aims to help connect refugees to internships in the their host countries.
Ride-hailing service Uber is at the centre of the storm.
Kalanick defended his participation on Trump's panel in his Saturday Facebook post, saying he joined out of the "belief that by speaking up and engaging we can make a difference". The move was perceived by some on social media as an effort to profit off the protests as more passengers would need to seek alternatives to cabs.
"We will neither stand by, nor stand silent, as the uncertainty around the new administration's actions grows with each passing day".
As criticism of Uber heated up, competitor Lyft announced it would donate $1 million to the America Civil Liberties Union Lawyers who are challenging the immigration ban and working to identify detainees. The Muslim ban that has adversely affected some of the biggest names in the United States tech industry and now some CEOs are speaking out.
Google executives are matching their deeds with donations.
Pierre Omidyar the vocal eBay billionaire, who is an Iranian-American, said on Twitter: "Trump's order is simple bigotry". Musk is an immigrant from South Africa. The administration said Sunday that permanent USA residents from those countries would be allowed to travel to the United States.
Currently, the US grants visas to 85,000 foreign workers a year through a lottery.
"We are looking to recruit at least 10 engineers and you know we can't afford to slow down.to continue to stay head of the big guys", he said.
Company representatives declined to discuss the memo or to answer questions about the affected employees.