Almost all big tech companies have offices in many parts of the world so they would all count as "non US citizens employed by US companies". Many smaller compan

Almost all big tech companies have offices in many parts of the world so they would all count as "non US citizens employed by US companies". Many smaller companies also do that because they cannot always afford to pay US equivalent salaries but can find talent in other parts of the world at a much cheaper rate (and No, cheaper is not always worse. Sometimes it is just about cost of living and other benefits that people are looking for ).